Troubleshooting Guide; Malfunctions With Mic 50 Display; Malfunctions With Mic 70 Display - Kärcher MIC 50 Handbuch

8. If the request is successful, the display automatically
switches over.
The control unit increases the speed to 2000 rpm in or-
der to, when necessary, increase the engine tempera-
ture, and switches permanently to regeneration.
14

Troubleshooting guide

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

14.1 Malfunctions with MIC 50 display

Malfunction
Warning light for en-
gine temperature
lights up
Warning light for hy-
draulic oil tempera-
ture lights up
Warning light for bat-
tery lights up

14.2 Malfunctions with MIC 70 display

Malfunction
+ Code P0217
94
Cause
Engine temperature too high
Hydraulic oil temperature too high /
low
Battery is not charging
Cause
Engine temperature too high
Hydraulic oil temperature too high
Hydraulic oil temperature too low
Battery is not charging
Fault has many causes
Fault in the drive
9. After the regeneration process has expired, the engine
runs at idle speed and the following text message ap-
pears.
Confirm message with <x>.
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
 Set the engine speed to idle mode.
 Clean the radiator.
 Check the level of coolant in the engine (when the
engine is switched off).
If the warning light does not go out within 5 min-
utes, switch off the engine and call Customer Ser-
vice.
 Hydraulic oil temperature too high: Operate the
engine in idling mixture (supply) until the warning
light goes out.
 Hydraulic oil temperature too low: Cautiously
warm up the engine until the warning light goes
out.
 Call Customer Service.
Remedy
 Set the engine speed to idle mode.
 Clean the radiator.
 Check the level of coolant in the engine.
If the warning light does not go out within 5 min-
utes, switch off the engine and call Customer Ser-
vice.
 Operate the engine in idling mixture (supply) until
the warning light goes out.
 Cautiously warm up the engine until the warning
light goes out.
 Call Customer Service.
 Call Customer Service.
 Call Customer Service.
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