-
9
Danger!
There is danger of injury while working at
the equipment.. Concerning all works
disconnect the input water, close the
water supply,
disconnect the power supply, shut off
the customer emergency main switch,
and secure, that it can not be turned on.
–
Operator
Work designated with the sign “Opera-
tor” may only be carried out by persons
who have been instructed in the safe
operation and maintenance on the high
pressure plant.
–
Electricians
Persons with a professional training in
the electro-technical area.
–
Customer Service
Work designated with the sign “Cus-
tomer Service” may only be done by the
fitters of Kärcher Customer Service.
Troubleshooting
Who may remedy faults?
Faults
Fault
Possible cause
Remedy
By whom
Base exchanger
is not regenerat-
ing
No power supply
Check power supply (fuse, plug, switch).
Operator/
Customer
Service
Hardness sensor (....) defective
Check hardness sensor, replace if required
Customer
Service
Water remains
hard after regen-
eration
No salt in the salt tank
Fill up salt, do not allow the salt level to fall below the
water level.
Operator
Injector filter is blocked
Clean the filter
Customer
Service
Water flow to the salt tank is inadequate
Check the brine filling duration; clean the brine filling
aperture, if required.
Customer
Service
Rising pipe is leaky
Check rising pipe, pilot pipe
Customer
Service
too high salt con-
sumption
too much water in the water tank
see below
Customer
Service
wrong salt quantity setting
Check salt consumption and salt settings
Customer
Service
Pressure loss
Deposits in water inlet
Clean the filter
Customer
Service
Deposits in base exchanger
Clean valve and resin board
Customer
Service
Too much water
in the salt tank
Rinsing aperture is blocked
Clean rinsing aperture
Customer
Service
Injector is blocked
Clean injector and filter
Customer
Service
Foreign particles in the solenoid valve
Clean the solenoid valve, change the valve seat
Customer
Service
Power failure while filling brine
Check power source
Customer
Service
Brine is not get-
ting sucked in
Water inlet pressure is too low
Increase water pressure to at least 0.3 MPa (3 bar). Operator
Rinsing aperture is blocked
Clean rinsing aperture
Customer
Service
Injector is blocked
Clean injector and filter
Customer
Service
Leak inside the valve
Replace valve flaps
Customer
Service
There is always
water in the
drainage, even
after regenera-
tion
Valve does not execute the correct cycles Check timer programme; replace the valve controls,
if required
Customer
Service
Foreign particle in the valve
Remove the valve control, take out the foreign parti-
cle, check valve in all the positions
Customer
Service
23
EN
