Troubleshooting Guide; Vehicle Malfunctions; Error Messages For Symbol Displays - Kärcher MC 250 Handbuch

16

Troubleshooting guide

You can remedy minor faults using the following overview.
If in any doubt, please contact your authorised Customer
Service.

16.1 Vehicle malfunctions

Malfunction
Vehicle does not start
Motor running irregularly  Clean/replace the air filter.
Engine is running, but the
vehicle does not drive or
just slowly
16.1.1
Note
In case of all malfunctions not listed, contact Customer

Service!

16.2 Error messages for symbol displays

Malfunction
Remedy
 Check / charge the battery.
 Sit in the driver's seat (seat contact switch is activated).
 Set the driving direction lever to the NEUTRAL position - central position.
 Fill up fuel, bleed the fuel system.
 Check, clean and/or replace the fuel filter.
 Check the fuel connections and lines.
 Contact an authorised Customer Service department.
 Check, clean and/or replace the fuel filter.
 Fill up fuel, bleed the fuel system.
 Check the fuel connections and lines.
 Contact an authorised Customer Service department.
 Check the filling level of the hydraulic oil tank.
 In the event of freezing temperatures and cold hydraulic oil: Allow the vehicle to warm up
for at least 3 minutes.
Cause
Coolant temperature is too high.
Hydraulic oil temperature too high.
Hydraulic oil temperature too low.
Hydraulic oil level is too low.
Fault in the drive.
Engine oil pressure is too high.
Parking brake active.
Low fuel level.
DANGER
Risk of electric shock
Switch off the vehicle before carrying out any care and
maintenance work, and remove the key.
Repair work and work on electrical components must only
be performed by your authorised Customer Service.

Remedy
 Switch off the motor.
 Clean the radiator (see chapter "Cleaning the ra-
diator").
 Check the level of coolant in the motor, refill as
necessary.
 If the warning light does not go out within 5 min-
utes:
a Switch off the engine
b Contact Customer Service
 Operate the engine in idling mixture until the
warning light goes out.
 Carefully warm up the engine until the warning
light goes out.
 Top up the hydraulic oil.
 Call Customer Service.
 Call Customer Service.
 Release the parking brake.
 Top up the fuel.
 Vent the fuel system if the tank was run dry.
English 67