EN
RUC8408X
Troubleshooting
49
Start attempt with
U
Term
≥
U
ON
Ambient temperature too high
–
Insufficient ventilation
Clean existing ventilation
or install sufficient
ventilation.
Condenser is dirty
Clean the condenser.
Fan defective
Replace the fan.
Electric circuit between
the pins in the
compressor interrupted
Defective compressor
This can only be repaired
by an authorised repair
centre.
U
Term
Voltage between the positive and negative terminals of the electronics
U
ON
Cut-in voltage of the electronics
U
OFF
Cut-off voltage of the electronics
Fault
Possible cause
Remedy
RUC8408X--IO-AU.book Seite 49 Freitag, 22. Dezember 2017 8:21 20