Karcher B 150 R - Manual (Page 18)

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Faults with display
Display Cause Remedy
Seat switch open! Seat contact switch has not
been activated.  Release the drive pedal. Have a seat.
Release accelera-
tor! The gas pedal is depressed
when the main switch is on.  Release drive pedal and reactivate.
No direction of
travel! Travel direction switch or cable
connection defective.  Call customer service.
Battery dis-
charged! Battery voltage too low.  Charge battery.
Battery voltage in-
admissible! Battery voltage is above or be-
low the admissible range.  Call customer service.
Charger defective! Error on the charger, charging
is not possible.
 Check the charger.
Fresh water tank
empty! The fresh water tank is empty.  Fill up fresh water reservoir.
Brush pressure not
reached! Timeout brush contact pres-
sure control.  Check brush wear, replace brush if required.
 Check the function of the brush heads: lowering, raising.
Waste water tank
full! wastewater reservoir is full.  Empty the dirt water reservoir.
Level sensor or cable connec-
tion defective.  Call customer service.
Brake defective! Brake defective.  Do not drive the appliance.
 Call customer service.
Propulsion motor
hot! Allow to cool
down! Motor protection was triggered  Bring the safety switch into the "0" position.
 Allow machine to cool down at least for 15 minutes.
 Contact aftersales service in case of recurrence.
Horn defective! Horn defective.  Call customer service.
Control is hot! Al-
low to cool down! Performance electronics of lift
module (A4) too hot  Bring the safety switch into the "0" position.
 Allow control to cool down at least 5 minutes.
 Significantly reduce the brush pressure with rough ground.
 Contact aftersales service in case of recurrence.
Brush motors over-
loaded! Load of the brush heads asym-
metric.  Adjust brush level.
18 EN