Product Manual
EN
Troubleshooting RUC6408X, RUC8408X
48
In case of multiple faults, the error code will be rolling.
The beep will last for 2 minutes and repeat every 30 minutes until the fault is restored.
Error type faults must be manually reset by pressing and holding the control knob
between 2 s and 4 s. Warning type faults reset automatically once the condition
passes.
Code Fault Ty p e Icon Beep
Influence on
cooling
01 Defrost NTC
sensor error
Warning No flashing No Yes, refrigerator
section after some
time
02 Refrigerator air
NTC sensor error
Warning No flashing No No
03 Communication
error
Error No flashing Yes No
04 CI bus error Warning No flashing No No
10 Open fridge
door > 2 minutes
Warning Flashing Yes No
11 DC voltage low
(< 7.5 V) or high
(> 31.5 V)
Warning No flashing Yes Yes
14 Inner fan faulty Warning No flashing No Yes, refrigerator
section only
17 Defrost heater,
low current
(< 1 A)
Warning No flashing No No
18 Defrost heater,
high current
(> 3 A)
Error No flashing No No, but the power
of the heater is
stopped.
19 DC input volt-
age low
Warning No flashing Yes Yes
26 Ambient thermo-
stat sensor error
Warning No flashing No No
32 Outer fan over-
current
Error No flashing Yes Yes
33 Compressor not
started
Error No flashing Yes Yes
RUC8408X--IO-AU.book Seite 48 Montag, 13. August 2018 1:33 13