Troubleshooting; Indicator Lamp Pump; Indicator Lamp "Ready For Use" Turns Off; Engine Indicator Lamp - Kärcher HDS 7/9-4 M Manual Del Usuario

Clean filter at the detergent suck hose
 Take out detergent suck supports.
 Clean filter in water and reinstall.
Oil change
 Ready a catch bin for appr. 1 Liter oil.
 loosen release screw.
Dispose of old oil ecologically or turn in at
a gathering point.
 Tighten release screw.
 Fill oil slowly up to the MAX marking.
Note: Air pockets must be able to leak out.
For oil type refer to technical specifica-
tions.

Troubleshooting

Danger
Risk of injury by inadvertent startup of ap-
pliance and electrical shock.
First pull out the plug from the mains before
carrying out any tasks on the machine.

Indicator lamp pump

1x blinking
Lack of oil
–
 Replenish oil.
2x blinking
Leak in the high pressure system –
 Check high pressure system and con-
nections for tightness.
3x blinking
Water shortage
–
 Check water supply, check connec-
tions.
4x blinking
Obstructed reed switch in the water
–
shortage safe guard.
 Check water shortage safe guard.
Indicator lamp of rotational
direction is blinking (not HDS 7/9,
HDS 7/10, HDS 7/12)
Figure 12
 Exchange the poles at the appliance
plug.
34
Indicator lamp "Ready for use"
No line voltage, see "Appliance is not
–
running".

Engine indicator lamp

1x blinking
Contactor error
–
 Set the appliance switch to "0/OFF".
 Turn on the appliance.
Error occurs repeatedly.
–
 Inform Customer Service
2x blinking
Engine overload/overheat
–
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
Error occurs repeatedly.
–
 Inform Customer Service
3x blinking
Fault in the voltage supply.
–
 Check main connections and mains
fuse.
4x blinking
Excessive power consumption.
–
 Check main connections and mains
fuse.
 Inform Customer Service
Indicator lamp burner failure
1x blinking
The exhaust temperature limiter has
–
been triggered.
 Set the appliance switch to "0/OFF".
 Allow device to cool down.
 Turn on the appliance.
Error occurs repeatedly.
–
 Inform Customer Service
2x blinking (option)
The flame sensor turned the burner off.
–
 Inform Customer Service
– 10
EN
turns off