Karcher B 80 W Bp Service Manual - page 29
English 5.906-468.0 Rev. 00 (02/09)
29
7
Troubleshooting
7.1
Troubleshooting without display
Fault
Remedy
Appliance cannot be started
Stand-by, turn key switch to "0", then set it back to "1".
Check fuse F1 *, F2 *, replace if required. *
Check battery; charge it if required.
Machine does not move
Check if the parking brake has been triggered.
Insufficient water quantity
Check fresh water level, refill tank if necessary.
Check fresh water filter; clean if required.
(See "Maintenance Tasks").
Check hoses for blockages; clean if required.
Insufficient vacuum performance
Clean the seals between dirt water reservoir and cover and check for tightness, replace if
required.
Clean the fluff filter.
Clean the vacuum lips on the vacuum bar, replace if required
Check suction hose for blockages; clean if required.
Check the suction hose for tightness; replace if required.
Check if the cover on the dirt water discharge hose is closed
Check the setting of the vacuum bar.
Insufficient cleaning result
Set/ adjust contact pressure.
Check the brushes for wear, replace if required.
Use appropriate brush type for the type of dirt.
Set to "Power Clean" with appliances with brush rollers FACT.
Empty the waste container on the BR head.
Brushes do not turn
Reduce contact pressure.
Check if foreign matters block the brushes; remove foreign matter if required.
If over-current switch in the electronics system has been triggered, turn key switch to "0",
then set it back to "1".
* Remove screws of the electronics system and tilt the electronics cover with charger downwards
7.2
Troubleshooting with display
Message
Cause
Remedy
Driving lever active!
The driving lever is not in the centre position during
switch on.
Turn off the appliance, move the driving lever to the
centre position and turn on the appliance once
again.
Raise brush!
Roller brush lowered and at a standstill.
Raise the brush head.
Temperature !!!
Overtemperature in the performance electronics
Switch off appliance and let it cool down.
Gas pedal !!!
Driving lever fault during operation.
Release the driving lever, switch the appliance off
and back on again. Check the driving lever.
Brush overload!
Max. brush power exceeded for more than 5 sec-
onds.
Check/adjust the contact pressure at the brush
head.
Battery depleted!
Battery low voltage not reached for more than 60
seconds.
Charge battery.
Battery depleted!!!
Battery power less than 18 V.
Charge battery.
Refill detergent!
Detergent container is empty.
Install full detergent container.
Emergency-STOP!
Emergency STOP button activated.
Release emergency-stop button.
Gas>POTI_ZER_MAX
Drive control not adjusted properly.
Adjust drive control.