EN
Troubleshooting
CRX
36
CRX50, CRX 65, CRX80
CRX110, CRX 140
Number of
flashes
Fault
Possible cause
1
Low Voltage
The supply voltage is outside of the set range.
2
Excessive fan current
The fan load on the electronics unit is more
than 1 A.
Too many start attempts The compressor or fan has been started too
often within a short period of time.
3
The motor doesn't start
The rotor is jammed.
The pressure difference in the cooling system
is too high (> 5 bar).
4
Speed too low
If the cooling system is overloaded, the mini-
mum speed of the motor of 1,850 rpm can-
not be maintained.
5
Overheating of the elec-
tronics unit
If the cooling system is loaded too heavily or
the temperature is set too high, the electron-
ics can overheat.
Constantly
Temperature sensor
errors
Temperature sensor is defective.
Number of
flashes
Fault
Possible cause
1
Low Voltage
The supply voltage is outside of the set range.
2
Excessive fan current
The fan load on the electronics unit is more
than 1 A.
3
The motor doesn't start
The rotor is jammed.
The pressure difference in the cooling system
is too high (> 5 bar).
4
Speed too low
If the cooling system is overloaded, the mini-
mum speed of the motor of 1,850 rpm can-
not be maintained.
DometicCRX50-65-80-110-140_IOM_4445103148_APAC(en)_20xx-xx-xx.book Seite 36 Dienstag, 1. Juni 2021 5:24 17