Troubleshooting - Dometic RML 8551 Installation Manual

4.19 Trouble-shooting
Failure: The refrigerator does not cool sufficiently.
Possible cause
- Inadequate ventilation to the unit.
- Thermostat setting is too low.
- The condenser is heavily frosted.
- Too much warm food has been stored inside
within short period of time.
- The appliance has been running for only a short
period of time.
- Ambient temperatures too high.
Failure: The refrigerator does not cool in gas operation mode.
Possible cause
- Gas cylinder empty.
- Is the upstream shut-off device open ?
- Air in the gas pipe ?
Failure: The refrigerator does not cool in 12V operation.
Possible cause
- On-board fuse defective.
- On-board battery discharged.
- Engine not running.
- Heating element defective (please also refer to
failure indication).
Failure: The refrigerator does not cool in 120V operation.
Possible cause
- On-board fuse defective.
- Vehicle not connected to mains supply voltage.
- AES: Gas operation despite connection to the
mains supply voltage?
- Heating element defective (please also refer to
failure indication).
Action you can take
- Check that ventilation grilles are not covered.
- Set thermostat to a higher level.
- Check that the refrigerator door closes properly.
- Allow warm food to cool down before storage.
- Check whether the cooling compartment works
after approx. 4 - 5 hours.
- Regularly remove ventilation grilles.
Action you can take
- Change gas cylinder.
- Open shut-off device.
- Switch off the appliance and start again. Repeat
this procedure 3 - 4 times, if necessary
Action you can take
- Fit new fuse.
- Check battery, charge it.
- Start engine.
- Please inform the Dometic Customer Service
Action you can take
- Fit new fuse.
- Make a connection to a mains power supply.
- Appliance switches to gas operation due to
insufficient mains supply voltage (automatically
switches back to mains operation).
- Please inform the Dometic Customer Service.
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Refrigerator operation