Karcher HD 7/250 DE TR1 - Manual (Page 16)

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Danger
This can lead to severe injuries and possi-
bly death. An improper startup and repair of
the appliance and the spray unit is danger-
ous.
Faults detected by the control are shown
on the display.
1 Display
2 Fault indication
3 Reset key to confirm the fault
Î Read the fault message on the display
and remediate the fault as per the table
below.
Î Press the reset button to acknowledge/
confirm the fault message.
Faults
Faults with display
Display/meaning Cause Remedy By whom
>Malfunction<
EMERGENCY
STOP
Emergency Stop switch depressed Unlock Emergency Stop switch Operator
Remote control not connected Create connection Operator
Plug wet Dry the plug Operator
Plug defective Replace the plug Customer Service
Switch in the hand spray gun defective Check the switch, replace Customer Service
Cable breakage Replace the cable Customer Service
>Malfunction<
Hood open
Device hood open Close appliance hood Operator
Cable breakage Replace the cable Customer Service
Safety switch for appliance hood defective Check safety switches. Customer Service
>Malfunction<
Tank level
Fuel tank empty. Refill diesel fuel Operator
Level sensor defective Replace level sensor Customer Service
Cable breakage Replace the cable Customer Service
>Malfunction<
Cooling water level
See motor operating instructions
Level of coolant too low
Refill cooling water Operator
Radiator contaminated Clean the radiator Operator
V-belt tension on the ventilator too low Retension V-belt Customer Service
Thermostat defective Replace the thermostat Customer Service
Cable breakage Replace the cable Customer Service
>Malfunction<
Motor oil pressure
Motor oil level too low Check the motor oil level Operator
Oil the motor has the wrong viscosity Replace engine oil. Customer Service
Oil pressure switch on motor defective Replace oil pressure switch on motor Customer Service
Cable breakage Replace the cable Customer Service
Look for more instructions in the motor's operating instructions
>Malfunction<
Motor temperature
Coolant level in the motor too low Check coolant units Operator
Radiator contaminated Clean the radiator Operator
V-belt tension on the ventilator drive too low Check V-belt tension Operator
Tighten V-Belt Customer Service
Thermostat defective Check thermostat Customer Service
Defective temperature switch Check the temperature switch Customer Service
Cable breakage Replace the cable Customer Service
Look for more instructions in the motor's operating instructions
>Malfunction<
Tyre pressure
Ball tap of drain open Close the ball tap Operator
Water in the compressed air tank Drain water Operator
Air system leaks Seal the air system Customer Service
Compressor defective Repair the compressor Customer Service
V-belt tension on the compressor drive too low Tighten V-Belt Customer Service
Pressure switch is defective Check/replace the pressure switch Customer Service
Cable breakage Replace the cable Customer Service
16 EN