Dometic CFX5 - Warning Codes

EN CFX5

Alert message Description Possible cause Suggested remedy
!ALERT - Lid open > 3min Lid not fully latched Check lid latched fullyLid open more than 3min
Internal fault Authorized repair center in-
spection required
Insufficient supply voltage Check voltage drop from bat-
tery to power outlet and in-
crease wiring gauge if neces-
sary
Battery voltage is too low Test the battery and charge as
needed
The device has stopped
working on DC due to low
voltage
Battery protection is set too
high
Select a lower battery protec-
tion setting
Wrong DC supply voltage
specification
Ensure DC supply voltage
specification matches prod-
uct data plate
Faulty supply volt-age Check DC voltage supply and
repair or replace if faulty
!ALERT - Voltage low
The device has stopped
working on DC due to abnor-
mally high voltage > 31.5V
(unlikely event – for electron-
ics protection only – uses
same alert message as low
voltage above)
Internal fault Authorized repair center in-
spection required
12.2 Warning codes
Example: Fig. on page28
Warning code Fault Possible cause Suggested remedy
!WARNING 01 NTC open circuit SZ & DZ
LARGE
!WARNING 02 NTC short circuit SZ & DZ
LARGE
!WARNING 11 NTC open circuit DZ SMALL
!WARNING 12 NTC short circuit DZ SMALL
Authorized repair center in-
spection required
!WARNING 03/43 Communication error
!WARNING 09 DZ valve or Ice maker valve
faulty
Internal fault
Power off the device for at
least 1min , then restart. If the
problem persists, authorized
repair center inspection is re-
quired.
!WARNING 32 Fan over-current
!WARNING 33 Compressor start fail
Internal fault Power off the device for at
least 5min , then restart. If
the problem persists, autho-
rized repair center inspection
is required.
28