Troubleshooting & maintenance Dometic BR342
22 EN
7 Troubleshooting & Maintenance
7.1 Maintenance
Air Filter
Periodically (a minimum of every 2 weeks of operation) remove the return air filter located behind the return air grille
and wash it with soap and warm water, let dry and then reinstall.
NOTICE!
Never run unit without return air filter in place. This will result in the evaporator becoming blocked with
dirt and dust and may substantially degrade performance over time.
Air Distribution Box Housing
Clean air distribution box housing and control panel with a soft cloth dampened with a mild detergent. Never use
furniture polish or scouring powders.
Fan Motor
The blower motor is factory lubricated and requires no service.
7.2 Fault codes
The table shown below outlines fault codes and their meaning.
Room temperature sensor fault
Indicates defrosting in progress
Wait for defrost to complete
Some of the error codes will display only after the unit is stopped – this is normal and is done where the fault will not
interrupt normal function of the air conditioner.
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