English
15
Troubleshooting guide
Malfunctions often have simple causes
that you can remedy yourself using the
following overview. When in doubt, or
in the case of malfunctions not men-
tioned here, please contact your au-
thorised Customer Service.
DANGER
Danger of electric shock
Injuries due to touching live parts
Switch off the device.
Remove the mains plug.
Device not running
1. Press the lever of the trigger gun.
The device switches on.
2. Check that the voltage specified on
the type plate corresponds to the
voltage of the power source.
3. Check the mains connection cable
for damage.
Device does not reach required
pressure
The water supply is too low
1. Open the water tap fully.
2. Check the water supply for an ade-
quate flow rate.
The
filter
in the water connection is
dirty.
1.
Pull out the
filter
in the water con-
nection.
2.
Clean the
filter
under running wa-
ter.
Air is in the device.
1. Vent the device:
a Switch on the device without a
connected high-pressure hose for
a maximum of 2 minutes until the
water escaping from the high-
pressure connection is free of air
bubbles.
b Switch off the device.
c Connect the high-pressure hose.
Device does not start, motor
hums
Voltage reduction due to weak power
supply or when using an extension ca-
ble.
1. When switching on the device, pull
the lever of the trigger gun, and then
switch on the device.
Strong pressure fluctuations
1. Clean the high-pressure nozzle:
a Use a needle to remove dirt from
the nozzle drill.
b Rinse the high-pressure nozzle
from the front with water.
2. Check the water supply volume.
Device leaking
1. The device leaks a small amount for
technical reasons. If the leak is se-
vere, request authorised Customer
Service.
Accessories and spare parts
Only use original accessories and orig-
inal spare parts. They ensure that the
device will run fault-free and safely.
Information on accessories and spare
parts can be found at
www.kaerch-
er.com
.
