Kärcher BD 50/50 Bp Classic, Manual

Page: 27 / 32

27
→ Put program selection switch in the
OFF position.
→ Remove the battery socket.
→ Lift the waste water tank and put
it aside.
→ Disconnect the cable from the battery
negative pole.
→ Disconnect the remaining cable from
the batteries.
→ Remove the chocks or expanded
plastic parts.
CAUTION
During battery assembly/
disassembly, the machine
may lose stability. Pay attention to the
machine stability.
→ Remove the batteries
→ Dispose of used batteries in accordance
with current legislation.
In case of danger of frost:
→ Empty the clean and waste water tanks.
→ Store the device in a place protected
from frost.
DANGER
Risk of injuries! Set the program
selection switch to the OFF
position and pull the charger plug prior to
performing any work on the device.
→ Drain and recycle waste water, as well
as any remaining clean water.
Dismounting the Batteries Faults Shown in the Display
Faults Not Shown in the Display
Recommended Batteries
Troubleshooting
Frost Protection
Lead-acid battery with
maintenance 9.385-084.0
Maintenance-free gel battery
9.385-268.0
12 V
12 V
130 Ah
130 Ah
Display indication Fault correction
ERR B
Check if foreign objects block the brush; remove them,
if required.
ERR T Call Customer Service.
LOW BAT Charge the battery.
ERR TEMP Allow device to cool down.
HANDS OFF
Release the safety switch and wait until the operating hours or the
battery status are displayed. Then operate the safety switch again.
ERR REL
Set the program selection switch at the OFF position, release
the safety switch, wait for 3 seconds, and restart. If the event
recurs, call Customer Service.
ERR PWM Call Customer Service.
Fault Fault correction
The device does not start
Set the program selection switch to the intended program.
Operate the safety switch.
Connect the battery socket.
Check battery and charge it if necessary.
Insufficient water quantity
Check the clean water level and refill the tank, if necessary.
Increase the water volume by opening the dosing valve.
Insufficient
vacuum performance
Clean the joints between the waste water tank and its cover and
check sealing; replace it, if necessary.
The waste water tank is full; shut off the device and empty the
waste water tank.
Clean the turbine filter.
Clean the suction lips in the suction bar and, if necessary,
replace them.
Check if the waste water drain hose cover is closed.
Check the suction bar setting.
Check suction hose for blockages; clean it, if required.
Check the suction hose for tightness; replace it, if required.
Insufficient cleaning result Check the brush for wear and replace it, if necessary.
The brush does not turn Check if foreign objects block the brush; remove them, if required.
Vibrations during cleaning You might need to use a softer brush.
In the event of faults that cannot be resolved using this table, call Technical Service.