Troubleshooting - Dometic COOLMATIC CRX1065D Montage- Und Bedienungsanleitung

Troubleshooting

10 Troubleshooting
The significance of the red LED (fig. 2 2, page 3)
For operational faults it illuminates several times. The number of pulses depends on
the type of fault.
Each flash lasts for one quarter of a second. After the series of impulses a pause
follows. The sequence for the fault is repeated every four seconds.
Number of
Fault
flashes
1 Low Voltage
2 Excessive fan current
Too many start attempts Too many compressor or fan starts in short
3 The motor doesn't start The rotor is jammed.
4 Speed too low
5 Overheating of the
electronics unit
flashes constantly Temperatur sensor
errors
26
Possible cause
The supply voltage is outside of the set range.
The fan load on the electronics unit is more
than 1 A.
time
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