Dometic RMDX 21 Operating Manual page 36

Troubleshooting
Displays for faults and beeps
Faults are indicated by the flashing of individual buttons on the control panel, a beep
or a combination of both.
Display
and flashing, a
beep is emitted for
20 seconds
and flashing, a
beep is emitted for
20 seconds
and flashing, a
beep is emitted for
20 seconds
flashes
With AC operation:
and flashing, a beep
is emitted for 20 seconds
With DC operation:
and flashing, a beep
is emitted for 20 seconds
With gas and automatic
operation:
and flashing, a beep
is emitted for 20 seconds
Beep is emitted for
15 seconds at intervals of
two minutes
36
Problem
The AC heater element or
the cooling unit is
defective.
The DC heater element or
the cooling unit is
defective.
The burner or the cooling
unit is defective.
The temperature sensor
has no contact or is
defective.
The power supply is not
available or insufficient.
The power supply is not
available or insufficient.
The burner flame is not
ignited.
The interior light is
switched on.
RMDX21, RMDX25
Suggested remedy
Contact the authorised customer
service.
Check the AC power cable, the
power supply and the fuse.
Check the DC power cable, the
vehicle battery and the fuse.
Check the gas supply (gas
cylinder, gas valve).
Press the button once the
fault is rectified.
Check whether the refrigerator
door is properly closed.
Close the refrigerator door.
EN