Installation Manual

EN
RUC5208X, RUC6408X, RUC8408X Troubleshooting
55
Compressor is not running (connected to AC supply)
Start attempt with
U
Te r m
≥ 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
Te r m
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
Device does not
function, display does
not glow
Connection supply line interrupted Establish a connection.
Main switch faulty (if installed) Replace the main switch.
Additional supply line fuse has blown
(if installed).
Replace the supply line
fuse.
The integrated mains adapter is
defective.
This can only be repaired
by an authorised repair
centre
The device does not
cool (power is present,
display is lit)
Defective component This can only be repaired
by an authorised repair
centre.
Voltage is being
applied, but the
compressor does not
operate
Ambient temperature too high –
Insufficient ventilation Clean existing ventilation
or install sufficient
ventilation.
Condenser is dirty. Clean the condenser.
Fan defective (if installed) Replace the fan.
Fault Possible cause Remedy
RUC8408X--IO-AU.book Seite 55 Montag, 8. Juli 2019 1:56 13