Dometic • Battery Charger / Jumpstarter

Dometic PerfectCharge W2000

Official technical documentation and workshop diagnostics for Dometic PerfectCharge W2000.

Technical Specifications

ElectricalInput voltage range: 230 V ~ AC; Battery nominal voltage: 12 V / 24 V DC; Charge voltage: 14 V DC (12V) / 26.6 V DC (24V); Maximum charging current: 20 A (12V) / 10 A (24V); Maximum starting current: 70 A (12V) / 35 A (24V); Charge characteristic: Wa curve
Gas Or PressureNot applicable
Capacities DimensionsMaximum battery capacity: approx. 200 Ah (12V) / approx. 100 Ah (24V); Dimensions (W x H x D): 290 x 175 x 425 mm; Weight: approx. 10.8 kg; Operating temperature: 0 °C to 40 °C

Master Troubleshooting & Diagnostics Matrix

Error Code / IndicatorSymptom / MeaningStep-by-Step DIY FixSuggested Actions
N/A
Voltage in the battery does not rise after connection and commissioning
Possible Cause: Poor contact between terminals and battery poles or discharged/defective battery
Check voltage increase on display during charging, ensure proper contact, and clean battery poles.DIY Safe
N/A
Battery is not fully charged after approximately 20 hours
Possible Cause: Defective battery unable to accept charge (terminal voltage <= 10 V for 12V battery or <= 20 V for 24V battery)
Disconnect charger, wait a few minutes, measure terminal voltage with a multimeter. If <= 10V (12V batt) or <= 20V (24V batt), replace or professionally test and dispose of the battery.DIY Check / Tech Fallback
N/A
Battery discharges quickly without load
Possible Cause: Battery is too weak to hold a charge (terminal voltage < 12 V or < 24 V)
Measure terminal voltage with a multimeter. If under 12V / 24V, have the battery tested by a specialist or dispose of it properly.DIY Check / Tech Fallback
N/A
Red 'Reverse Polarity' LED lights up
Possible Cause: Battery terminals are connected with reversed polarity (+ to -)
Switch off the battery charger and swap the terminal connections.DIY Safe
N/A
Red 'Error' LED lights up after switching on
Possible Cause: Battery terminals connected with reverse polarity
Switch off the battery charger and correct the connections (red to positive +, black to negative -).DIY Safe
N/A
After connecting and starting, the voltage in the battery does not increase
Possible Cause: Poor contact between terminals and battery poles, or faulty connection
Measure with a multimeter to verify voltage rise at terminals during charging, check terminal contact, and clean battery poles.DIY Check / Tech Fallback
N/A
Battery discharges itself shortly after charging without load
Possible Cause: Battery is too weak to hold a charge (terminal voltage < 12 V)
Measure terminal voltage with a multimeter. If < 12 V, have the battery checked by a specialist or dispose of it.DIY Check / Tech Fallback
N/A
Battery is not fully charged after approx. 20 hours
Possible Cause: Battery is defective or deeply discharged (cell damage/sulphation)
Disconnect charger, remove clamps, wait a few minutes, and measure terminal voltage. If 12V battery reads 10V or lower (or 20V or lower for 24V battery), the battery is defective. Have it tested by a specialist or replace it.DIY Check / Tech Fallback
N/A
Battery discharges quickly even without load
Possible Cause: Battery is too weak to hold a charge
Measure voltage with a multimeter. If below 12V for a 12V battery (or below 24V for a 24V battery), the battery is exhausted/weak. Replace or have it checked by a professional.DIY Check / Tech Fallback
N/A
Red status LED slowly flashing
Possible Cause: Battery undervoltage or battery overload
Check the battery, switch the battery charger off and on again, or replace a defective battery.DIY Safe
N/A
Red status LED quickly flashing
Possible Cause: Battery or battery charger is overheating
Improve the ventilation of the battery charger or battery, ensure ventilation openings are not covered, and reduce ambient temperature if necessary.DIY Safe
N/A
Red status LED permanently lit
Possible Cause: Short circuit, reversed polarity, or broken internal fuse
Connect the battery charger with correct polarity, remove the short circuit, and contact customer service for internal fuse replacement.DIY Check / Tech Fallback
N/A
Red 'Error' LED lights up
Possible Cause: Battery terminals connected with reverse polarity
Switch off the battery charger and correct the connections.DIY Safe
N/A
Charger does not switch on and blue charging display remains off
Possible Cause: Battery is already fully charged (> 13.2 V) or deeply discharged
Switch off the charger and disconnect the terminals. The charger has a safety control function preventing charging under these voltage conditions.DIY Safe
N/A
Voltage in the battery does not increase after connection and start
Possible Cause: Poor contact between terminals and battery poles
Clean the battery poles and verify proper terminal contact using a multimeter.DIY Check / Tech Fallback