![background image](/i/karcher/168883/karcher-cb-1-23-eco-comfort/h/karcher-cb-1-23-eco-comfort-031.png)
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12
Dis-
play
Fault
Possible cause
Remedy
1
Limit switch Drive start/Drive end allocat-
ed simultaneously
Limit switch allocated or defective via for-
eign metal part
Remove foreign part, check limit switch for
damages, switch on/ off the unit, repeat
washing process
4
Proximity switches "Side-brush 1 inward"
and "Side-brush 1 outward" have been
pressed simultaneously
Limit switch is defective
Check limit switch for damages, switch on/
off the unit, repeat washing process
5
Proximity switches "Side-brush 2 inward"
and "Side-brush 2 outward" have been
pressed simultaneously
6
Proximity switches "Roof brush above"
and "Roof brush below" have been
pressed simultaneously
9
Proximity switches "Drier above" and "Dri-
er below" have been pressed simultane-
ously
10
Mode counter Gantry travel is not counting
Portal driving counter is defective; portal
driving motors are defective; limit switch
portal driving start/end are defective
Check limit switch portal driving for de-
fects; remove metal parts from the hall
floor; switch off/on the unit, repeat washing
process, call Customer Service
12
Mode counter Lift/lower roof brush is not
counting
Mode counter defective; lifting motor of
roof brush is defective; limit switch roof
brush above/ below is defective
Check limit switch for roof brush for de-
fects; switch off/on the unit, repeat wash-
ing process, call Customer Service
13
Mode counter Lift/lower drier is not counting
Mode counter defective; lifting motor of
drier is defective; limit switch drier above/
below is defective
Check limit switch for drier for defects;
switch off/on the unit, repeat washing proc-
ess, call Customer Service
14
Frequency converter portal driving is not ready Fault in frequency converter portal driving Check cable and motors for damages,
switch on/ off the unit, repeat washing
process
15
Frequency coverter raise/ lower is not ready Fault in frequency converter Lift roof
brush/ drier
Check cable and lifting motors of the roof
brush and drier for damages, switch on/ off
the unit, repeat washing process
16
CAN bus error master, no module is ac-
cessible
Loose connecting chord of the plates,
plates defective
Switch off and switch on the unit, repeat
washing process, call Customer Service
18
CAN bus error, no connection to service
control station
Connection chord of service control sta-
tion is loose or defective, service control
station is defective
Switch off and switch on the unit, repeat wash-
ing process, washing can still be done despite
this fault, call Customer Service
19
CAN bus error, module A14, no connec-
tion (water distributor)
Loose connecting chord of the plates,
plates defective
Switch off and switch on the unit, repeat
washing process, call Customer Service
20
CAN bus error, module A13, no connec-
tion (feed distributor)
21
CAN bus error, module A11, no connec-
tion (in main switching cabinet CB2)
22
CAN bus error, module A12, no connec-
tion (in main switching cabinet CB2)
23
CAN bus error, module A7, no connection
(water distributor CB2)
24
CAN bus error, module A21, no connec-
tion (anti-frost)
25
CAN bus error, module A22, no connec-
tion (underbody washing)
31
EN