Kärcher SB MU, Original Instructions Manual

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32
1 Aperture
Faults in the compressor
Fault Possible cause Remedy By whom
Compressor
switches on and off
frequently. Condensate level in pressure container too
high. Drain the condensate from the pressure container
of the compressor. Operator/Cus-
tomer Service
Fault in the foam production (option)
Fault Possible cause Remedy of whom
Bad dry foam qual-
ity, foam too dry or
too wet Detergent container is empty Replace the container. Operator
Suction filter in the detergent tank
is dirty. Rinse the filter with warm water Operator
Water supply is too low Re-establish water supply, check the settings of the pressure re-
ducer for water (0.5 MPa (5 bar)) Operator
Compressor does not supply air Check the compressor
Drain the condensate from the pressure container of the com-
pressor.
Customer Service
Compressor overheated After cooling off, the compressor will automatically start operat-
ing again. Operator
Pressure reducer foam station
contaminated Clean pressure reducer Operator
Solenoid valve water/chemicals
does not open Check the voltage using a magnetic field tester, clean solenoid
valve, replace if required Operator, Custom-
er Service
Settings of the pressure reducer
for water or air incorrect
Setting of the detergent dosage
incorrect Perform basic setup (see chapter B Operation and Settings) Customer Service
incorrect detergent, detergent
contaminated or old Replace detergent Operator
Inadequate or no
flow of water/deter-
gent Orifice plate in the hub clogged. Clean the parts. Operator, Custom-
er Service
69 EN