Troubleshooting; Circuit Diagram - Kärcher CV 66/2 Service Manual

Install brush motor - watch for drive belt!
Install turbine filter cover
6

Troubleshooting

Fault
Appliance cannot be started
Suction is too low
Suction turbine does not run
Brush roller motor is not running
Insufficient cleaning result
Gear too loud
7

Circuit diagram

The circuit diagram is included in the appendix. Circuit diagrams
are not generated automatically with the service information. Pri-
or to using the circuit diagram you should verify whether the
present version is current.
Remedy
Establish mains contact.
Check the mains connection cable for damages. Replace the defective mains
cable.
Check/replace the startup capacitor.
Check/replace the startup capacitor startup electronics.
Check/replace switch "brush drive".
Exchange the paper filter bag.
Suction hose/ suction channel blocked; clean suction hose/ suction channel.
Check/replace the pressure switch.
Check/replace the suction turbine.
Check cable connections / remove defect.
Check/replace the protective switch.
Check/replace the micro switch.
Check/replace the startup capacitor.
Check/replace the operation capacitor.
Check/replace the brush roller motor.
Check/replace the startup capacitor startup electronics.
Check/replace switch "brush drive".
Suction is too low
Check brush rollers for foreign bodies
Check/replace the toothed belt.
Suction hose/ suction channel blocked; clean suction hose/ suction channel.
Exchange the paper filter bag.
Grease the toothed wheels.
Check/replace the toothed wheels.
C2
A1
S1, S1.1
S3
M3
F1
C2
C1
M1
A1
S1, S1.1
15
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