Dometic RM 8400 Operating Instructions Manual page 40

5.13.2 Troubleshooting
Before notifying the authorised Service Center,
please check whether:
the instructions in section "Operating
modes and use of the refrigerator" have
been observed.
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 230V operation.
Possible cause
On-board fuse defective.
No connection to supply voltage.
AES: gas operation despite connection to the supply
voltage?
Heating element defective (please also refer to failure
indication).
the refrigerator is level.
it is possible to operate the refrigerator with
any available power source.
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.
Establish power connection.
Appliance switches to gas operation due to
insufficient supply voltage (automatically switches back
to 230 V operation).
Please inform the Dometic Customer Services.
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