Dometic COOLMATIC CRX50 Instructions De Montage Et De Service page 31

Troubleshooting
CRX110, CRX140
Number of
Fault
flashes
1 Line Voltage
2 Excessive fan current
3 The motor doesn't start The rotor is jammed.
4 Speed too low
5 Overheating of the
electronics unit
Constantly Temperatur sensor
errors
32
Possible cause
The supply voltage is outside of the set range.
The fan load on the electronics unit is more
than 1 A.
The pressure difference in the cooling system
is too high (> 5 bar).
If the cooling system is overloaded, the
minimum speed of the motor of 1,850 rpm
cannot be maintained.
If the cooling system is loaded too heavily or
the temperature is set too high, the
electronics can overheat.
Temperatur sensor is defective.
CRX
EN