Troubleshooting - Dometic RML 8555 Operating Instructions Manual

Refrigerator operation

4.13.2 Troubleshooting

Before notifying the authorised Service Center,
please check whether:
the instructions in section "Operating the
refrigerator" have been observed.
the refrigerator stands level.
it is possible to operate the refrigerator with
any available power source.
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 the 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 Services.
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
120V operation).
Please inform the Dometic Customer Services.
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