Auto-Trail • Imala • 620 • 2015

3311454 FAQs8 Types
Official manual on Auto-Trail's site:View PDF ↗
Note: more than one Kitchen is listed below for this exact vehicle edition. This isn't a mistake - manufacturers sometimes fit either option depending on the production run - but it means your vehicle almost certainly only has ONE of these, not both. Check your own appliance's badge/model plate against the entries below to find the right one.
Thetford

SCK220-SCK230

Kitchen
12011 FAQs
View full Thetford page →

Technical Specifications

Operating Voltage230V AC
Power Consumption1.1 kW
Gas Or Pressure30 mbar

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
Spark ignition does not spark
12V DC battery is discharged. Connections are loose. Ignition points are wet or dirty.Charge battery. Secure connections. Dry or clean ignition points.DIY Safe
N/A
Burner fails to ignite or stay lit
Gas supply interrupted, blocked jet, or faulty ignition electrodeCheck gas cylinder level, open shut-off valves, and inspect the ignition electrode. Have repairs carried out by a specialist if the fault persists.DIY Check / Tech Fallback
N/A
Reduced performance or airflow restriction
Blocked ventilation grilles or clogged filter elementsClean or replace filter elements and ensure all ventilation openings are free from obstructions. Contact an authorised workshop if performance does not improve.DIY Check / Tech Fallback

Frequently Asked Questions

Q: Which pan size should I use on the Thetford cookers?

Using incorrect pan sizes can cause heat to escape to surrounding areas. It can also slow down your cooking time. So, why settle for mediocre meals when you can quickly achieve perfect results with the right equipment? Check out the “Safe Cooking” chapter in the user manual to find the ideal pan size for your appliance.

Q: What type of gas do I need?

Only operate the stove with the type of gas (propane or butane) and pressure, as indicated on the rating plate.

Q: Is it possible to make my burners more powerful?

We do not recommend modifying the appliance in anyway.

Q: What can I do when the flame goes off after igniting the oven?

If the burner hasn't caught within 15 seconds, let go of the knob and leave it for at least a minute before you try again. If it still won't light, get in touch with your dealer.

Q: How can I clean my cooking appliance (glass / glass lid)?

Wipe up any spills or mess straight after cooking, using hot soapy water, then wipe it dry with something soft. For tougher dirt or grease, use a dedicated glass cleaner.

Q: How can I clean my cooking appliance (enamelled)?

Wipe up any spills or mess straight after cooking, using hot soapy water, then wipe it dry with something soft. For tougher dirt or grease, use a non-abrasive cream cleaner.

Q: What can I do when the bump-stop is melting?

Use pans of the recommended size, sit them in the middle of each burner, and don't let them hang over the edge of the hob. Your user manual lists the right sizes.

Q: Why do the knobs fall off?

There may be a flat metal retaining clip that has broken from the knob. Please contact your dealer who can replace under warranty or supply this if the appliance is outside the 3 year warranty.

Q: What happens if the oven/grill doesn’t work?

If the burner hasn't caught within 15 seconds, let go of the knob and leave it for at least a minute before you try again. If it still won't light, get in touch with your dealer.

Q: Where can I get an extra shelf for my oven?

Spares are available from your local dealer or service centre. Spares are also available from a range of wholesaler outlets including Leisure Spares 01423 320009.

Q: What are the requirements for installing the cooker?

The cooker should be installaed as per the manufactures recommended installation instructions and should only be installed by competent qualified persons. Local laws should be adhered to when installing gas appliances.

Thetford

Triplex SOH70-71-75-76-77

Kitchen
02012 FAQs
View full Thetford page →

Technical Specifications

Gas Or Pressure28-30 mbar / 37 mbar / 30 mbar

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
Cooker fails to ignite or burner does not stay lit
Gas supply interrupted, tap closed, or burner wet/dirtyCheck that the gas supply is turned on, ensure all inline valves are open, and clean or dry the burner components. If the problem persists, contact an authorized service agent.DIY Check / Tech Fallback
N/A
Spark ignition fails to produce a spark
Electrode dirty, damaged, or wetClean and dry the ignition electrode carefully. If the ignition unit is faulty, have repairs carried out by a specialist.DIY Check / Tech Fallback

Frequently Asked Questions

Q: Which pan size should I use on the Thetford cookers?

Using incorrect pan sizes can cause heat to escape to surrounding areas. It can also slow down your cooking time. So, why settle for mediocre meals when you can quickly achieve perfect results with the right equipment? Check out the “Safe Cooking” chapter in the user manual to find the ideal pan size for your appliance.

Q: What type of gas do I need?

Only operate the stove with the type of gas (propane or butane) and pressure, as indicated on the rating plate.

Q: Is it possible to make my burners more powerful?

We do not recommend modifying the appliance in anyway.

Q: What can I do when the flame goes off after igniting the oven?

If the burner hasn't caught within 15 seconds, let go of the knob and leave it for at least a minute before you try again. If it still won't light, get in touch with your dealer.

Q: How can I clean my cooking appliance (stainless steel)?

Wipe up any spills or mess straight after cooking, using hot soapy water, then wipe it dry with something soft. For tougher dirt or grease, use a non-abrasive cream cleaner with a nylon scourer, and a polish made for stainless steel to take out light surface scratches.

Q: How can I clean my cooking appliance (glass / glass lid)?

Wipe up any spills or mess straight after cooking, using hot soapy water, then wipe it dry with something soft. For tougher dirt or grease, use a dedicated glass cleaner.

Q: How can I clean my cooking appliance (enamelled)?

Wipe up any spills or mess straight after cooking, using hot soapy water, then wipe it dry with something soft. For tougher dirt or grease, use a non-abrasive cream cleaner.

Q: What can I do when the bump-stop is melting?

Use pans of the recommended size, sit them in the middle of each burner, and don't let them hang over the edge of the hob. Your user manual lists the right sizes.

Q: Why do the knobs fall off?

There may be a flat metal retaining clip that has broken from the knob. Please contact your dealer who can replace under warranty or supply this if the appliance is outside the 3 year warranty.

Q: What happens if the oven/grill doesn’t work?

If the burner hasn't caught within 15 seconds, let go of the knob and leave it for at least a minute before you try again. If it still won't light, get in touch with your dealer.

Q: Where can I get an extra shelf for my oven?

Spares are available from your local dealer or service centre. Spares are also available from a range of wholesaler outlets including Leisure Spares 01423 320009.

Q: What are the requirements for installing the cooker?

The cooker should be installaed as per the manufactures recommended installation instructions and should only be installed by competent qualified persons. Local laws should be adhered to when installing gas appliances.

Sargent

EC100 Series Systems

Battery Charger / Power Management
0007 FAQs
View full Sargent page →

Technical Specifications

Integrated Battery Charger12A for EC155A, EC155B, EC160; 150 watts for EC175, EC176

Frequently Asked Questions

Q: Is it possible to charge the vehicle (starter) battery using my system?

Whether you can depends on which type of Sargent PSU system you have - manual-charging or CAN-bus based.

On systems that only charge manually - PSU2007 with EC200, EC328, EC325, EC225 with EC100, EC176 with EC361/2/3, and EC155 with EC50/51 - the leisure battery is charged by default: with the control panel switched off, the mains charger starts charging the leisure battery the moment it's plugged in, and with the panel on, it keeps the leisure battery topped up while also powering the leisure loads. To charge the vehicle battery instead, switch the control panel on and pick the vehicle battery - the charger then charges that battery along with any leisure loads left switched on. Note that EC100, EC200, EC325 and EC50/51 panels won't allow the vehicle battery to be selected below 10.9V, while EC328 panels (software V2.21) will allow it above 2V provided the mains charger is on. If mains power is lost while charging the vehicle battery, leisure loads will start drawing from it instead - switching back to the leisure battery once the vehicle battery either falls below the 10.9V cut-off or, if it started above that, once it recovers back up to 10.9V. The leisure battery itself has its own 9V cut-off that disconnects leisure loads to stop it discharging further.

CAN-bus systems (the EC800, EC700, EC600, EC500, EC450 and EC400) include a smart-charge feature instead, on by default but switchable off. With the mains charger on, it defaults to charging the leisure battery while keeping an eye on the vehicle battery - if that drops below 12.4V, charging switches to it for 4 hours, then returns to the leisure battery for another 4 hours, repeating the cycle for as long as the vehicle battery stays low. This runs regardless of whether the control panel is on, as long as the system's own shutdown button is switched in (unless you've disabled the feature) - and if the panel is on, you can manually pick whichever battery you want charged at any point in the cycle.

Q: Why do the LEDs on my EC155 control panel flash while I'm driving?

On newer panels with blue LEDs, seeing the Leisure select & levels and Vehicle select & levels LEDs both flashing while you drive is completely normal - it just means the EC155 is picking up the engine run signal, so its internal split-charge relay has engaged. On older panels with green LEDs, the same thing is shown by the middle yellow LED flashing instead.

Either way, once the EC155 detects that engine run signal, it also switches off the 12V supply to the living area.

Q: How do I calibrate the EC480 battery amps and battery size?

Turn off the van's 12V supply, then go to the screen showing the manufacturer's logo (e.g. Autotrail) and press the Up and Down arrows at the same time to enter programming mode, then navigate to (a) Battery Size - set to the right capacity - and (b) AH Start Point - which should be your battery's estimated charge, i.e. 100% if fully charged - using Select (<) to adjust each. Scroll to 'Exit Advanced' and press Select to leave.

Q: Can I fit a Lithium battery to my system?

Most Sargent systems use a PX300 or PF200 battery charger. If yours has a different charger fitted, check with that charger's own manufacturer for Lithium compatibility. The PX300's charging profile suits many leisure-industry Lithium batteries that have their own internal Battery Management System (BMS) - its charging profile and voltages are available as a downloadable attachment on the PX300's own product page, though you'll still need to confirm suitability directly with your chosen battery's manufacturer.

Systems that use a PX300 include the EC800, EC700, EC600, EC500, EC400 series, EC400+ and EC328. If your system doesn't have a PX300, its charger will run a fixed 13.8V, which generally isn't suitable for fully charging a Lithium battery - and switching to Lithium may also mean you need a DC-DC charger to keep the charging current within limits.

Q: Can I fit a second leisure battery to my Auto-Trail motorhome?

On an Auto-Trail, adding an extra leisure battery is normally simple - every current model and most older ones already have a dedicated connector, so the extra battery harness just plugs in.

Ideally pick a second battery of the same make, type and capacity as the one you have. If that's not possible, at least keep the capacity the same and never mix battery types (for example, don't pair a 'wet' battery with an AGM one).

Sargent sells the harness through its web shop (https://sargentltd.co.uk/shop/product/auto_trail_additional_battery_harness_2011-2016/229). It's the newer type, fitted to Auto-Trail vans from 2011, but it suits older vans too because the battery connector hasn't changed.

To fit it:

  1. Connect the harness to the new battery, making sure both terminals are tight and their covers are back on.
  2. Secure the battery in its box or compartment (this varies by year and model) without trapping the harness.
  3. Take the protective cap off the vehicle's spare battery connector.
  4. Plug the new battery in.

With an EC328 or EC700 system, that's it - the extra battery is ready to charge and use.

With an EC500 and the EC480 colour LCD panel, also set the battery size to the new total in the advanced settings (two 100Ah batteries means 200Ah), then recalibrate the current sensor.

To change the battery size:

  1. On the home screen showing the brand logo, press both the up and down arrows at once and keep them pressed.
  2. Let go once the screen changes.
  3. Scroll to 'Battery Size' and use select to raise it to the new total.
  4. Go back up to 'Exit Advanced', then press select to return to normal use.

Don't worry if the Ah reading drops afterwards - it takes a few charge and discharge cycles to line up with the real capacity, which is normal.

To recalibrate the current sensor:

  1. Turn the charger off, and switch the control panel off at its power button.
  2. Go to the active battery screen.
  3. Hold select until 'calibrating please wait….' appears.
  4. Let go - calibration is done.

Q: Can I fit a different make of AGM battery?

We don't endorse any particular make or model, but the PX300 charger (fitted across the EC400/EC400+, EC500, EC600, EC700, EC800 and EC328 systems) suits the great majority of good-quality AGM batteries sold in the UK. Its charge profile is included in the instruction manual attached to its product page - if you're at all unsure whether a battery is compatible, check with that battery's own distributor or manufacturer first.

Q: Can I connect additional solar panels to my system?

How much solar you can add through the PSU comes down to the fuse protecting that circuit, which varies by system - the maximum recommended wattage through the PSU is 120W for EC325/EC328/EC500/EC600, 80W for EC400, and 150W for EC700/EC800/EC400+. You can go beyond that by wiring extra panels straight onto the leisure battery via their own regulator and a correctly-sized fuse, though you'll lose the ability to see that extra solar's output on the control panel.

Any system without a PSU solar input at all needs its solar wired directly onto the leisure battery this way regardless - and there's no upper wattage limit when connecting straight to the battery like this.

Auto-Trail

Gas Supply System (Tribute / Imala, 2015 Model Year)

Gas Regulator / Supply
3000 FAQs
View official manual on manufacturer's site ↗

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
The gas flame lifts clear of the burner instead of sitting on it.
Gas pressure is too highGo back over the regulator, gas cylinders, and pipework, and make any adjustments needed.DIY Safe
N/A
Yellow flame causing soot
Gas pressure is too lowGo back over the regulator, gas cylinders, and pipework, and make any adjustments needed.DIY Safe
N/A
Burner accidentally extinguishes
—Turn the control off and leave it at least a minute before trying to relight it.DIY Safe
Truma

Trumatic S 3002 P / S 3002 / S 5002

Space Heater
9105 FAQs
View full Truma page →

Technical Specifications

Gas Pressure Mbar30 mbar
Power Consumption 12v50 mA (ignition), 0.01 mA (monitoring)
Weight KgS 3002 (P): 9.8 kg; S 5002: 17.5 kg (excluding blower)

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
No ignition sparks or sparks occurring slower than once per second
Depleted or dead battery in the automatic ignition unit, or bad connection.
—Replace the battery (Mignon LR 6, AA, AM 3) with a temperature-resistant (+70 °C), leak-proof type with the heater switched off.DIY Safe
Gas line filled with air after cylinder change
Air trapped in the gas supply line preventing immediate combustion.
—Hold the control knob fully depressed and actuate the igniter continuously for up to 2 minutes until the flame ignites.DIY Safe
Flame fails to light or goes out repeatedly
Faulty regulator, closed valve, or air in lines.
—Wait at least 2 minutes before attempting a new ignition to prevent flashbacks. Verify gas supply and regulator condition.DIY Safe
No ignition sparking heard / monitor lamp 'e' not flashing
The battery on the auto ignitor is depleted or needs replacement.
—Replace the battery with a temperature-resistant (+70 °C), leakproof Mignon battery (LR 6, AA, AM 3) with correct polarity.DIY Safe
Flame goes out repeatedly in windy conditions or winter
Extreme wind conditions or snow buildup are affecting the cowl.
—Clear snow from the cowl and consider using a cowl extension such as AKV or SKV.DIY Safe
Gas line is air-filled during initial start
Air trapped in the gas supply line delays it lighting straight away.
—Hold the control knob down and constantly actuate the igniter for up to two minutes until the gas is available and the flame burns.DIY Safe
N/A
Blown air not working
Supply fuse blown.Replace the fuse.DIY Safe
N/A
Blown air running slowly
Hair or dust in the fan wheel, affecting the balance of the blown-air system.Electrically isolate and clear with a brush; close/open to re-balance the system.DIY Safe
N/A
Blown air only blowing on one leg of the ducting system
A pipe is disconnected, or the fan paddle is not correctly positioned.Check all pipe connections. Check the position of the paddle to ensure air flows in one direction.DIY Safe
N/A
Heater goes out when a door is slammed
The flue is disconnected or damaged.Turn the heater off immediately and seek service attention.DIY Check / Tech Fallback

Frequently Asked Questions

Q: Can the Trumatic S 5002 be installed in motorhomes?

No, the Trumatic S 5002 heating system must not be installed in motorhomes. Only the Trumatic S 3002 (P) is permitted in motorhomes.

Q: What should I do if there is a gas leak or smell of gas?

Put out all naked flames right away, don't smoke, switch off every appliance, close the gas cylinder, open the windows and doors, avoid electrical switches, and have an expert inspect the whole system.

Q: How do I replace the battery in the automatic igniter?

Remove the heater casing, slide the battery compartment cover upwards, replace the battery observing correct plus/minus polarity, and close the compartment. Use only temperature-resistant (+70 °C) leak-proof Mignon LR 6, AA, AM 3 batteries.

Q: If the heater fails to start, how long should I wait before trying to re-ignite?

Wait at least 2 minutes before re-igniting, to avoid any risk of deflagration or misfiring.

Q: What type of battery should be used for the automatic ignition device?

Only use temperature-resistant (+70°C), leak-proof Mignon batteries (LR 6, AA, AM 3).

Truma

Trumavent TEB-3 / TN-3 Fan

Space Heater Accessory / Fan
1102 FAQs
View full Truma page →

Technical Specifications

Operating Voltage12V DC / 230V AC
Power Consumption0.2 to 1.2 A (TEB-3) / 0.5 A (TN-3)
Fuse Ratings2.5 A (medium time-lag, 5 x 20 mm)
Dimensions Cutout211 x 279 x 145 mm (TEB-3) / 211 x 279 x 158 mm (TN-3)

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
Control panel is without function and the fan runs in the reverse direction
Incorrect polarity of the control panel and power supply connectorsPlug the control panel and power supply connectors back in the right way round - with the polarity reversed, the panel won't work and the fan turns backwards.DIY Safe
N/A
Fan does not operate
Blown appliance fuse (F1) or disconnected power supplyDisconnect the fan from its power supply, check fuse F1 on the electronic control unit, and fit an identical replacement (2.5A, medium time-lag). Have a specialist carry out repairs if the problem continues.DIY Check / Tech Fallback

Frequently Asked Questions

Q: What heaters are compatible with the TEB-3 and TN-3 fans?

These fans are designed for installation on Truma S 3004 or S 5004 heaters.

Q: What type of fuse is required for the TEB-3 12V model?

A medium time-lag 2.5A fuse (5 x 20mm) to EN 60127-2-3 - e.g. ESKA 521021 or Littelfuse 233 02.5P.

Truma

Ultraheat electric additional heater

Space Heater Accessory / Booster
3105 FAQs
View full Truma page →

Technical Specifications

Power Consumption 230v500 W (2.2 A) / 1000 W (4.5 A) / 2000 W (8.5 A)
Weight Kgca. 2 kg

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
Even with Ultraheat switched on, the control panel's green LED stays dark
No 230 V~ power supply available to the unit.
—Check 230 V~ power supply: verify if other 230 V~ appliances work in the vehicle, check if the line power cable is connected, check if the campsite fuse/circuit breaker has tripped, check if the vehicle residual current circuit-breaker (FI) or distribution board fuses have tripped.DIY Safe
Unusual noises or smells
Potential obstruction, dust accumulation, or overheating condition.
—Turn off the gas supply, the heater and Ultraheat, and have a qualified expert check the system.DIY Check / Tech Fallback
Even with Ultraheat switched on, the control panel's green LED stays unlit.
No 230V power supply is available or reaching the device.
—Check the 230V power supply: verify if other 230V appliances in the vehicle work, ensure the line power cable is connected, check if the campsite fuse box has tripped, and inspect the vehicle's internal 230V distribution board fuses and residual current circuit-breaker (RCCB).DIY Safe
N/A
Damage from improper cable routing or fan operation
Cables routed too close to hot parts, or the fan run without the proper warm-air ducts directing hot air onto the control unit.Route cables away from hot parts and ensure the correct warm-air ducts are fitted before running the fan.DIY Safe

Frequently Asked Questions

Q: Can I use Ultraheat with older Truma S heaters like the Trumatic S 3002?

No - Ultraheat can't be used with any S-heater built before 04/2012, nor with the Trumatic S 3002, S 3002 P, S 5002, S 2200, S 55 T, or S 3002 K / S 5002 K.

Q: What fan setting should be used during electrical mode?

On electrical mode, run the fan at level 3 or above (manual or automatic) to spread warm air through the vehicle quickly and evenly.

Q: Can the Ultraheat be operated separately outside of a Truma S-heater?

No - Ultraheat (the electric additional heater) is only approved for fitting and running inside a compatible S-heater, never on its own or outside a vehicle.

Q: What power settings are available on the Ultraheat?

The additional heater features three operating power levels: 500 Watts, 1000 Watts, and 2000 Watts.

Q: Can the S-heater run on gas and the electric Ultraheat together?

Yes - the S-heater can run on gas while the electric additional heater runs too, though the additional heater may cut out on its own to guard against overheating.

Dometic

RM8xxx / RMS8xxx / RML8xxx / RMSL8xxx 8 Series Absorption Refrigerator

Fridge / Freezer
6349 FAQs
View full Dometic page →

Technical Specifications

ElectricalMains 230V AC, On-board battery 12V DC, Heating element ratings 125W to 190W depending on model
Gas Or PressureLiquid gas (Propane/Butane). Operating pressure: 30 mbar (50 mbar requires Truma VDR 50/30 medium pressure controller). Gas ignition limits up to approx. 3280 ft / 1000 m altitude.
Capacities DimensionsGross capacities range from 80 liters to 189 liters depending on model. Net weights range from 25 kg to 45 kg.

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
Refrigerator does not cool sufficiently
Inadequate ventilation, thermostat setting too low, heavily frosted condenser, or warm food stored recentlyCheck the ventilation grilles aren't covered, turn the thermostat up, confirm the door's closing properly, and let warm food cool before storing it.DIY Safe
N/A
The fridge isn't cooling in gas mode
Gas cylinder empty, upstream shut-off device closed, or air in the gas pipeSwap the gas cylinder, open the shut-off device, and switch the appliance off and restart it 3-4 times to clear any trapped air.DIY Safe
N/A
The fridge isn't cooling in 12V mode
Could be a blown onboard fuse, a flat onboard battery, the engine not running, or a faulty heating element.Fit new fuse, check/charge battery, start engine, or contact Dometic Customer ServiceDIY Check / Tech Fallback
N/A
The fridge isn't cooling in 230V mode
Could be a blown onboard fuse, the vehicle not being connected to mains, or a faulty 230V heating element.Fit new fuse, connect to mains power supply, or contact Dometic Customer ServiceDIY Check / Tech Fallback
N/A
MES/AES failure: 230V mode LED flashing + acoustic signal
Either no 230V supply is reaching the unit, or the voltage is too low.Check the mains connection, mains voltage, and fuse.DIY Safe
N/A
MES/AES failure: 12V mode LED flashing + acoustic signal
12V not available, voltage too low, or D+ signal missingCheck 12V connection, on-board battery, fuse, and D+ signal (AES)DIY Safe
N/A
MES/AES failure: Gas/Automatic mode flame not ignited
Flame not ignited, gas supply interrupted, burner/nozzle defectiveCheck gas supply (bottle, valve), clean burner/nozzle, and press the fault reset button after clearingDIY Safe
N/A
All temperature setting LEDs are flashing (both MES and AES panel styles)
Temperature sensor defectiveThe refrigerator will continue to work on the mid temperature setting. Contact Dometic Customer Services to have the temperature sensor checked/replaced.Professional Intervention Required
N/A
"HE1" is flashing (LED plus all temperature setting LEDs flashing)
230V heating element defectiveContact Dometic Customer Services - the 230V heating element requires replacement.Professional Intervention Required
N/A
"HE2" is flashing (LED plus all temperature setting LEDs flashing)
12V heating element defectiveContact Dometic Customer Services - the 12V heating element requires replacement.Professional Intervention Required
N/A
Reduced cooling performance in high ambient temperatures
The refrigerator is struggling to keep up in hot conditions - normal behaviour at the margins of its rated operating range, not necessarily a fault.Check ventilation isn't restricted, park in shade where possible, and set a lower cooling level in hot weather.DIY Safe
N/A
Exhaust fumes or unburnt gas entering the vehicle's living space
A fault in the gas combustion or flue/exhaust system.Stop using the refrigerator on gas immediately and have it checked by an authorised Dometic service agent before using gas mode again.Professional Intervention Required
N/A
The vehicle's battery discharges quickly while stationary
The refrigerator drawing more 12V current than expected while parked, possibly indicating a fault.Check whether the refrigerator is the cause by monitoring battery drain with it switched off; if it's responsible, have it checked by an authorised Dometic service agent.DIY Check / Tech Fallback

Frequently Asked Questions

Q: What does the SN climate class on my Dometic RM fridge mean?

Climate class SN (which Dometic calls 'Extended Temperate') means the fridge is designed to work reliably when the air temperature is from +10°C up to +32°C (taken at the bottom vent grille, outside the vehicle).

Q: How well does an absorption fridge cool in hot weather?

In a hot summer the outside temperature often reaches about 32°C - the top of the fridge's rated range - and once it climbs higher, the temperature inside the fridge will inevitably rise. An absorption fridge needs a heat source to move its refrigerant around the cooling unit (which is why it can run on 12V, 230V or gas), so it has to get rid of the heat from its power source as well as the heat drawn out of the food compartment.

To help it in hot weather: park where the fridge vents get as much shade as possible during the day; unclip the outside vent grilles to improve airflow; and if you regularly travel somewhere hot, consider having a ventilator kit (a fan fitted behind the fridge) installed to boost the airflow - Dometic lists these among its accessories.

Q: Can my Dometic RM8 fridge run from solar power?

The RM(X)8xxx range can take an S+ signal on its control board, which lets it pick solar-supplied DC power when it's available. For this you need a solar regulator from Dometic's Büttner range that has a signal output cable, wired to S+. The panel charges the leisure battery (or batteries), and whenever the regulator signals that solar power is available, the fridge gives it top priority in AES (automatic) mode.

In automatic mode the fridge chooses its energy source in this order: solar DC first, then mains AC, then ordinary 12V DC, and gas last. Most AES set-ups take their 12V feed from the vehicle's starter battery, with the alternator's D+ signal allowing DC operation; to use the S+ signal instead, you'll need a changeover switch so the 12V heating element is supplied from the leisure battery rather than the vehicle battery.

On 12V the element is rated 120-190W, so the fridge draws a continuous 10-15A on DC - more than most vehicles' leisure batteries can sustain for long, which is why this solar/DC mode tends to be used where the fridge is fitted in a beach hut or similar off-grid building. Bear in mind that changing the vehicle's wiring could void your warranty - Dometic advises checking with your dealer first.

Q: What can replace my old Dometic RM fridge?

Dometic's 2023 'New for old - simply swap' guide covers both its absorption and compressor fridges, showing which current models replace older ones. It's available from the catalogues section of Dometic's website.

Q: My fridge won't work on mains (AC) power - what should I check?

Check the fuse in the mains supply and replace it if it has blown, and make sure the vehicle is actually plugged into a mains supply. If both are fine, the AC heating element may have failed - that needs an authorised Dometic service centre.

Q: My fridge won't work on 12V (DC) - what should I check?

Possible causes, and what to do: the vehicle's own fuse has blown - replace it (see the vehicle's handbook); the vehicle battery is flat - test it and recharge it; the ignition is off - switch it on. If the fuse in the fridge's DC cable has blown (the fuse on the relay) or the DC heating element has failed, contact an authorised Dometic service centre.

Q: My fridge won't work on gas - what should I check?

Check the gas cylinder isn't empty (change it if it is) and that the gas valve is turned on. If air has got into the gas pipe, turn the fridge off and on again, repeating this three or four times if needed; if a gas hob or cooker is fitted, switch that on, then try the fridge again if needed.

Q: Why is my fridge running on gas in automatic mode when I'm plugged into mains?

The mains voltage is too low. The fridge switches back to mains by itself once the supply voltage recovers.

Q: Why isn't my fridge getting cold enough?

Work through the likely causes: the cooling unit isn't getting enough air - make sure the outside vent grilles aren't blocked; the evaporator has iced up - check the door shuts properly and the seal is seated and undamaged, then defrost the fridge; the temperature setting is too warm - turn it to a colder setting; it's very hot outside - take the vent grille off for a while so hot air can escape faster; too much food, or too much warm food, went in at once - take some out, and let warm food cool before putting it back; the fridge was only switched on recently - give it four to five hours, then recheck the temperature.

Auto-Trail

Smoke & CO Alarms (Tribute / Imala, 2015 Model Year)

Smoke / CO Alarm
3001 FAQ
View official manual on manufacturer's site ↗

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
The smoke alarm gives a brief beep every minute.
The battery is worn out and needs replacing.Replace the battery immediately. (Low voltage warning sounds for approximately seven days).DIY Safe
Recommended partsAffiliate linksView 2 optionsHide

Check which battery your smoke alarm takes (look at the battery fitted now), then choose the matching one:

The handbook says the smoke alarm is battery-operated but doesn't name the battery type, so check yours before ordering.

9V batteryDuracell Plus 9V Alkaline Batteries (2 Pack) 6LR61~£6.50 for 24.7★ (15,000+ ratings), dispatched/sold by Amazon
View on Amazon →
AA batteriesDuracell Plus AA Alkaline Batteries (12 Pack) 1.5V, LR06~£9.00 for 124.7★ (71,000+ ratings), dispatched/sold by Amazon
View on Amazon →
N/A
The smoke alarm's LED doesn't blink once a minute as it normally would.
Battery is completely flatReplace the battery immediately.DIY Safe
Recommended partsAffiliate linksView 2 optionsHide

Check which battery your smoke alarm takes (look at the battery fitted now), then choose the matching one:

The handbook says the smoke alarm is battery-operated but doesn't name the battery type, so check yours before ordering.

9V batteryDuracell Plus 9V Alkaline Batteries (2 Pack) 6LR61~£6.50 for 24.7★ (15,000+ ratings), dispatched/sold by Amazon
View on Amazon →
AA batteriesDuracell Plus AA Alkaline Batteries (12 Pack) 1.5V, LR06~£9.00 for 124.7★ (71,000+ ratings), dispatched/sold by Amazon
View on Amazon →
N/A
The carbon monoxide detector gives one audible chirp every minute, and can continue doing so for up to 30 days.
Incorrect settings of sensor/circuitry or low batteriesCheck the detector's settings, or fit new batteries - this chirping doesn't mean carbon monoxide has actually been detected.DIY Safe
Recommended partsAffiliate linksView 2 optionsHide

Check which battery type your CO alarm takes (look at the batteries fitted now), then choose the matching pack:

The handbook doesn't say which battery this alarm uses. Most caravan CO alarms take AA or 9V batteries, so check yours before ordering.

AA batteriesDuracell Plus AA Alkaline Batteries (12 Pack) 1.5V, LR06~£9.00 for 124.7★ (71,000+ ratings), dispatched/sold by Amazon
View on Amazon →
9V batteryDuracell Plus 9V Alkaline Batteries (2 Pack) 6LR61~£6.50 for 24.7★ (15,000+ ratings), dispatched/sold by Amazon
View on Amazon →

Frequently Asked Questions

Q: How often should I test and maintain the carbon monoxide detector?

Weekly, press and hold the test/reset button for about a second - this checks the sounder, battery and circuitry together. Wipe or gently vacuum away any dust buildup, and change the battery roughly once a year even if it hasn't complained yet. The sensor itself is only rated for seven years from when it was first activated, after which the whole unit needs swapping for a new one, not just the battery.

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Toilets & Sanitation (Tribute / Imala, 2015 Model Year)

Toilet
0001 FAQ
View official manual on manufacturer's site ↗

Frequently Asked Questions

Q: How do I prepare the Thetford cassette waste-holding tank before using the toilet?

Pull the safety catch upward to release the waste-holding tank, then slide it out, tipping it slightly as it comes free. Stand it upright with the emptying spout facing up, unscrew the cap, and pour in the recommended amount of Thetford toilet fluid plus about 2 litres of water to cover the base. Screw the cap back on, return the spout to its stored position, then slot the tank back in through the access door and re-secure the safety catch.

Auto-Trail

Water System (Tribute / Imala, 2015 Model Year)

Water System Component
2001 FAQ
View official manual on manufacturer's site ↗

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
The water pump keeps running for more than 5 to 10 seconds after every tap has been shut off.
Possible leak in the systemCheck the whole water system for leaks without delay, and make a habit of powering the pump down from its control panel every time you leave the vehicle.DIY Safe
N/A
Aerated water from a tap
There may be a leak on the pump's suction side.Look for a leak where the pump draws water in and repair as needed.DIY Safe

Frequently Asked Questions

Q: How do I drain down the water system for winter or storage?

Open the fresh water tank's drain valve, then the wastewater tank's (into a suitable container), then leave every tap inside the vehicle open (mixer taps set to their central position). There's also an internal drain valve that clears the water heater and its own pipework - open that too, give the vehicle five minutes to finish draining, then briefly run the pump to clear any water left in it. Empty the cassette toilet too.

Truma

Ultrastore Water Heater

Water Heater
5100 FAQs
View full Truma page →

Technical Specifications

TypeLiquid gas (LPG) operated storage water heater with an additional 230V electric heating element
Max Water Pressure2.8 bar (use a pressure reducer when connected to a central/mains water supply)

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningPossible CauseStep-by-Step DIY FixSuggested Actions
N/A
The heater switches on but doesn't run (gas operation)
No 12V supply, or a window above the cowl is open.Check the power supply is at least 10.5V, check the water heater's fuse, and shut any window that's above the cowl.DIY Safe
N/A
The heater switches on but doesn't run, and the red lamp comes on (gas operation)
Cowl cover fitted, air in the gas supply, no gas supply, or incorrect gas pressure.Take off the cowl cover and/or clear any blockage. Check the gas valves and gas bottle. Switch the appliance off for 5 minutes and back on to unlock it and purge any trapped air.DIY Safe
N/A
The heater runs for a while, then the red lamp comes on (gas operation)
Over-temperature thermostat has operated.Top up the water content if needed (close the drain valve first). Switch the appliance off for 5 minutes and back on to unlock it.DIY Safe
N/A
The heater won't run once switched on (electrical operation)
No 230V supply voltage, or the over-temperature thermostat has operated.Connect to the site's mains supply and/or check the residual current breaker. Top up the water content if needed (close the drain valve first). The electric heating element has its own excess-temperature cut-out - use the control panel to turn it off, wait 5 minutes, then turn it back on.DIY Safe
N/A
The safety/drain valve is dripping water
Water pressure too high.Check the water pressure doesn't exceed 2.8 bar - fit a pressure reducer if it's on mains water.DIY Safe
N/A
Hot water comes out when the cold tap is opened
Hot water flows back through the cold water supply.Fit a non-return valve on the cold supply as the installation instructions describe. If it keeps happening, contact Truma Service.DIY Check / Tech Fallback