Troubleshooting; Maintenance Intervals - Kärcher HDS-E 3.3/25-4M Ec User Manual

 Allow device to cool down.
Your Kärcher vender will inform you
about the performance of a periodic
safety inspection resp. signing of a
maintenance contract.

Maintenance intervals

Weekly
 Clean the sieve in the water connection.
 Clean the fine filter.
 Check oil level.
ATTENTION
In case of lacteous oil inform Kärcher cus-
tomer service immediately
Monthly
 Clean the sieve in the safety block.
 Clean filter at the detergent suck hose.
After 400 operating hours, at least
annually
 Check the calcification degree of the
boiler and consider having it cleaned by
customer service.
After 500 operating hours, at least
annually
 Oil change.
Maintenance Works
Clean the sieve in the water connection
 Take out sieve.
 Clean sieve in water and reinstall.
Cleaning the fine filter
 Unpressurize the appliance.
 Unscrew the fine filter from the boiler.
 Remove the fine filter and the filter in-
sert.
 Clean the filter with clean water or com-
pressed air.
 Reinstall in reverse sequence.
Clean the sieve in the safety block
 Loosen covering nut and take off hose.
 Take out sieve.
Note: If necessary turn in screw M8 appr.
0.2 in/5 mm inwards and therewith pull out
sieve.
 Clean sieve in water.
14
 Push sieve inwards.
 Put on hose.
 Tighten covering nut firmly.
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. 0.26 gal/
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
– Lack of water after 2 minutes - the pump
is switched off to prevent dry runs.
 Check water supply, check connec-
tions.
4x blinking
– Heater contactor fault
 Set the appliance switch to "0/OFF".
 Turn on the appliance.
– Error occurs repeatedly.
 Inform Customer Service
– 8
EN