EN
Troubleshooting
RUC8408X
48
Compressor does not run (battery connection)
34
Compressor
overloaded
Error
No flashing
Yes
Yes
35
Thermal cut-out
of controller unit
Error
No flashing
Yes
Yes
Fault
Possible cause
Remedy
Device does not
function, display does
not glow
U
Term
= 0 V
The connection between the battery
and electronics unit has been
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.
Internal fuse has blown.
Replace the internal fuse.
U
Term
≤
U
ON
Battery voltage is too low.
Charge the battery.
The device does not
cool (power is present,
display is lit)
Defective component
This can only be repaired
by an authorised repair
centre.
The device does not
cool, power is present,
error indicator appears
Start attempt with
U
Term
≤
U
OFF
Loose cables
Poor contact (corrosion)
Establish a connection.
Battery capacity too low
Replace the battery.
Cable cross section too small or cable
too long
Replace the cable
according to chapter
“Connecting the refriger-
ator to 12 – 24 V” on
page 21.
The device has switched off due to an
internal fault.
This can only be repaired
by an authorised repair
centre.
Code Fault
Type
Icon
Beep
Influence on
cooling
RUC8408X--IO-AU.book Seite 48 Freitag, 22. Dezember 2017 8:21 20
