Question 1

Water pump runs on for more than 5-10 seconds after closing all taps

Accepted Answer

Possible cause: Possible leak in the system. Check the system immediately for leaks. Always switch off the pump at the control panel when leaving the vehicle.

Question 2

Aerated water from a tap

Accepted Answer

Possible cause: Possible leak on the suction side of the pump. Check the suction side of the pump for leaks.

Question 3

Flame lifting away from the burner

Accepted Answer

Possible cause: Gas pressure is too high. Recheck the regulator, cylinders and pipes and adjust as necessary.

Question 4

Yellow flame causing soot

Accepted Answer

Possible cause: Gas pressure is too low. Recheck the regulator, cylinders and pipes and adjust as necessary.

Question 5

Smoke alarm emits a short beep once a minute

Accepted Answer

Possible cause: Battery is at the end of its life. Replace the battery immediately. (Low voltage warning sounds for approximately seven days).

Question 6

Smoke alarm LED indicator does not flash every minute

Accepted Answer

Possible cause: Battery is completely flat. Replace the battery immediately.

Question 7

Carbon monoxide detector emits a single audible chirp once per minute for up to 30 days

Accepted Answer

Possible cause: Incorrect settings of sensor/circuitry or low batteries. Check settings or replace the batteries. (Note: this does not mean that the detector has detected carbon monoxide).

Error Code / Indicator	Symptom / Meaning	Step-by-Step DIY Fix	Suggested Actions
`N/A`	Water pump runs on for more than 5-10 seconds after closing all taps Possible Cause: Possible leak in the system	Check the system immediately for leaks. Always switch off the pump at the control panel when leaving the vehicle.	DIY Safe
`N/A`	Aerated water from a tap Possible Cause: Possible leak on the suction side of the pump	Check the suction side of the pump for leaks.	DIY Safe
`N/A`	Flame lifting away from the burner Possible Cause: Gas pressure is too high	Recheck the regulator, cylinders and pipes and adjust as necessary.	DIY Safe
`N/A`	Yellow flame causing soot Possible Cause: Gas pressure is too low	Recheck the regulator, cylinders and pipes and adjust as necessary.	DIY Safe
`N/A`	Smoke alarm emits a short beep once a minute Possible Cause: Battery is at the end of its life	Replace the battery immediately. (Low voltage warning sounds for approximately seven days). Recommended PartAffiliate link Duracell Plus 9V Alkaline Battery (2 Pack) 6LR61~£6.50 for 2Amazon's Choice, 4.7★ (15,000+ ratings) View → Most caravan smoke alarms take a standard 9V battery like this one - worth a quick check against your own alarm before ordering, since a few models differ.	DIY Safe
`N/A`	Smoke alarm LED indicator does not flash every minute Possible Cause: Battery is completely flat	Replace the battery immediately. Recommended PartAffiliate link Duracell Plus 9V Alkaline Battery (2 Pack) 6LR61~£6.50 for 2Amazon's Choice, 4.7★ (15,000+ ratings) View → Most caravan smoke alarms take a standard 9V battery like this one - worth a quick check against your own alarm before ordering, since a few models differ.	DIY Safe
`N/A`	Carbon monoxide detector emits a single audible chirp once per minute for up to 30 days Possible Cause: Incorrect settings of sensor/circuitry or low batteries	Check settings or replace the batteries. (Note: this does not mean that the detector has detected carbon monoxide).	DIY Safe

Auto-Trail Frontier Owner's Handbook (2020)

Parts & Appliances Fitted

Master Troubleshooting & Diagnostics Matrix