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42
English
Faults that are not displayed
Warranty
The warranty conditions issued by our relevant sales company
apply in all countries. We shall remedy possible malfunctions on
your appliance within the warranty period free of cost, provided
that a material or manufacturing defect is the cause. In a warranty
case, please contact your dealer (with the purchase receipt) or
the next authorised customer service site.
(See overleaf for the address)
Fault
Cause
Rectification
Person responsible
Inadequate cleaning efficien-
cy
No cleaning agent or insufficient
cleaning agent
No air pressure or insufficient air
pressure in the supply line
Worn brushes
Check the cleaning agent filling level and
refill if necessary, vent the dosing pump.
Check the air pressure and adjust if nec-
essary (0.6 MPa (6 bar) at the mainte-
nance unit pressure gauge).
Clean the cleaning agent intake filter,
check the cleaning agent pipes for dam-
age.
Check the brushes and replace if neces-
sary.
Operator
Too little water or no water
coming out of the nozzles
Dirt trap clogged
Insufficient water pressure
Nozzle clogged
Solenoid valve or supply line
clogged
Clean the dirt trap
Check the water supply pressure and
pumps
Clean the nozzles with compressed air
Check the solenoid valves and supply
lines (water and electricity) and repair if
necessary
Operator
Water continues coming out
of the nozzles after washing
Dirty solenoid valve
Clean the solenoid valves
Customer Service
Inadequate drying
Too little or too much drying aid
Incorrect drying aid
No air pressure or inadequate air
pressure
Increase or reduce the dosage
Check the cleaning agent filling level
Clean the intake filter
Vent the dosing pump
Use original drying agent from Kärcher
Check that the drying blower is working
correctly
Operator
The wheel washing brush
does not rotate
The motor circuit breaker in the
control cabinet has triggered
Contact pressure too high
Check the motor circuit breaker in the
control cabinet
Reduce the contact pressure at the
wheel wash pressure reducer
Operator
The wheel washing brush ex-
tends slowly or not at all
No air pressure or inadequate air
pressure
Check the air pressure and adjust if nec-
essary
Increase the contact pressure at the
wheel wash pressure reducer
Operator, Customer
Service
The wheel washing brush ex-
tends at the wrong position
Dirty light sensors
Clean the light sensors and check the
settings if necessary
Operator
The brushes become dirty
quickly
Shampoo dosage too low
Adjust the shampoo dosage
Check the water volume and adjust if
necessary
Operator
The undercarriage wash noz-
zle pipes pivot too slowly/too
quickly or not at all
No air pressure or inadequate air
pressure
Pivoting unit heavily soiled
Chokes incorrectly adjusted
Check the air pressure in the supply line
and adjust if necessary
Clean the pivoting unit
Re-adjust the chokes
Operator, Customer
Service
The system cannot be
switched on
Power supply fault
Ensure a fault-free power supply as
specified in the connection values
Operator, qualified
electrician
Summary of Contents for CWB 3
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