EN
RUC8408X
Troubleshooting
47
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
Type
Icon
Beep
Influence on
cooling
01
Defrost NTC
sensor error
Warning
No flashing
No
No
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
No
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 47 Freitag, 22. Dezember 2017 8:21 20