Troubleshooting; Faults With Display; Faults Without Display; Towing - Kärcher MIC 84 User Manual

Display Cause
Warning lamp for Engine is overheated
motor temperature
lights up
Warning lamp for hy- Hydraulic oil overheated
draulic oil tempera-
ture
Warning lamp for Battery is not being charged
battery lights up
Fault
Appliance cannot be started
Engine is running erratically
Engine is running but machine is
only moving slowly or is not moving
at all
Operation problems with hydraulic
movement parts

Towing

Observe the following when towing the ma-
chine:
1 Release parking brake.
2 Open the bypass valve on the hy-
drostat.
The emergency brake is locked automati-
cally when the motor is shut off. To release
the emergency brake, either start the motor
and then release the brake or manually re-
lease the brake.
 Manually release the emergency brake:
Loosen the nut as per the illustration
below. The nut is located on the right
side of the machine, underneath the
rear of the machine.
Nut to unlock the emergency brake
 Loosen nut 1 and 2 to open the bypass
hydrostat.
32

Troubleshooting

Faults with display

Remedy
Set the engine speed to idle.
Clean the radiator (see "Care and Maintenance).
Run the engine in idle until the warning lamp turns
off.
Check the level of cooling liquid in the engine.
If the warning lamp does not turn off within 5 min-
utes, shut off the engine and contact Customer Ser-
vice.
Call Customer Service.

Faults without display

Remedy
Turn on the main switch.
Bring the direction selector switch into the neutral position.
Charging or replacing battery
Fill in fuel, deaerate the fuel system
Clean or replace fuel filter
Check fuel pipes, connections and joints and maintain them if required
Contact the authorised customer service.
Clean or replace air filter
Check fuel pipes, connections and joints and maintain them if required
Contact the authorised customer service.
Release parking brake
Check level of hydraulic fuel
Contact the authorised customer service.
Contact the authorised customer service.
Bypass valve hydrostat
EN
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By whom
Operator
Operator