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English
Clean the sieve in the water connection
1. Clean the sieve.
The filter in the water shortage safeguard is dirty
1. Clean the sieve.
Water supply volume too low
1. Check the water supply volume (see "Technical da-
ta").
Supply line to the pump is leaking or clogged
1. Check all supply lines to the pump.
Vent air from the system/pump
1. Set the detergent dosing valve to "0".
2. Open the water inlet.
3. Start the motor according to the operating instruc-
tions of the motor manufacturer.
4. Unscrew the nozzle to vent the device and let the
device run until the water emerges without bubbles.
5. Switch the device off and screw the nozzle on again.
Device is leaking, water is dripping from the bottom
of the device
Pump leaking
1. If there is a significant leak, have the device
checked by Customer Service.
Note
3 drops/minute are permitted.
High-pressure pump knocking
Supply lines to the pump are leaking
1. Check all supply lines to the pump.
Vent air from the system/pump
1. Set the detergent dosing valve to "0".
2. Open the water inlet.
3. Start the motor according to the operating instruc-
tions of the motor manufacturer.
4. Unscrew the nozzle to vent the device and let the
device run until the water emerges without bubbles.
5. Switch the device off and screw the nozzle on again.
The device does not suck in any detergent
Detergent suction hose with filter leaking or blocked
1. Check/clean the detergent suction hose with filter.
Check valve in the detergent suction hose connection is
stuck
1. Clean/replace the check valve in the detergent suc-
tion hose connection.
Detergent dosing valve is closed or leaking / clogged
1. Open or check/clean the detergent dosing valve.
The pressure relief valve opens / closes continu-
ously when the high-pressure gun is open
Nozzle clogged
1. Clean the nozzle.
Device is scaled
1. Descale the device.
The filter in the water shortage safeguard is dirty
1. Clean the sieve.
Pressure relief valve defective
1. Have the pressure relief valve replaced (customer
service).
Burner not igniting
Fuel tank empty
1. Refuel the fuel tank.
Water shortage
1. Check the water connection and the supply lines.
2. Clean the sieve in the water shortage safeguard.
Fuel filter dirty
1. Change the fuel filter.
No ignition spark
1. If no ignition spark is visible through the sight glass
during operation, have the device checked by Cus-
tomer Service.
The set temperature is not reached when operating
with hot water
Working pressure/flow rate too high
1. Reduce the working pressure/flow rate via the pres-
sure/quantity regulator of the high-pressure gun.
Sooty heating coil
1. Have the soot removed from the device by Custom-
er Service.
Customer Service department
If the malfunction cannot be corrected, the device must
be checked by the Customer Service department.
Warranty
The warranty conditions issued by our relevant sales
company apply in all countries. We shall remedy possi-
ble malfunctions on your appliance within the warranty
period free of cost, provided that a material or manufac-
turing defect is the cause. In a warranty case, please
contact your dealer (with the purchase receipt) or the
next authorised customer service site.
(See overleaf for the address)
Accessories and spare parts
Only use original accessories and original spare parts.
They ensure that the appliance will run fault-free and
safely.
Information on accessories and spare parts can be
found at
www.kaercher.com
.
