Faults In The Compressor - Kärcher SB MU 908 Originalbetriebsanleitung

Fault Possible cause
Compressor Condensate level in pressure container too
switches on and off high.
frequently.
Fault Possible cause
Bad dry foam qual- Detergent container is empty
ity, foam too dry or
Suction filter in the detergent tank
too wet
is dirty.
Water supply is too low
Compressor does not supply air Check the compressor
Compressor overheated
Pressure reducer foam station
contaminated
Solenoid valve water/chemicals
does not open
Settings of the pressure reducer
for water or air incorrect
Setting of the detergent dosage
incorrect
incorrect detergent, detergent
contaminated or old
Inadequate or no Orifice plate in the hub clogged. Clean the parts.
flow of water/deter-
gent
1 Aperture

Faults in the compressor

Remedy
Drain the condensate from the pressure container
of the compressor.
Fault in the foam production (option)
Remedy
Replace the container.
Rinse the filter with warm water
Re-establish water supply, check the settings of the pressure re-
ducer for water (0.5 MPa (5 bar))
Drain the condensate from the pressure container of the com-
pressor.
After cooling off, the compressor will automatically start operat-
ing again.
Clean pressure reducer
Check the voltage using a magnetic field tester, clean solenoid
valve, replace if required
Perform basic setup (see chapter B Operation and Settings)
Replace detergent
32
-
EN
By whom
Operator/Cus-
tomer Service
of whom
Operator
Operator
Operator
Customer Service
Operator
Operator
Operator, Custom-
er Service
Customer Service
Operator
Operator, Custom-
er Service
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