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Beschikbare talen
Beschikbare talen
Danger
Risk of accident while working on the unit.
During all tasks
First switch-on in voltage-less state,
switch off the emergency stop switch
and secure it against being switched on
again.
Shut off water supply.
Fault
Possible cause
Indicator Lamp
Motor protection switch of the immersion
"Fault" illuminates
pump has been triggered.
Float switch S15 in pump basin is defective Repair or replace float switch.
Recycled water tank is empty.
Message "Recycled
Water level in the pump basin is too low
water tank empty"
and emergency fresh water supply has
displayed on wash-
failed
ing system.
Immersion pump has failed, is dirty or de-
fective
Gravel filter plugged (filter output is too
low)
Pipe connections are leaky
Float switch S11 is defective or loose
Controls are defective
Multi-channel defective
Plant out of order
Programme selection switch in wrong posi-
tion.
Power supply is interrupted
Controls are defective
Recycled water is
Sludge collector or pump basin is dirty
coloured or is foam-
ing too much
Improper detergents are used in the wash-
ing unit or washing hall
Detergent dosing in the washing unit is too
high
Washing place cleaned with incompatible
detergents
Backwash throttle in wrong position
20
Troubleshooting
Who may remedy faults?
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
wash plant
Customer Service
–
Work designated with the sign "Cus-
tomer Service" may only be done by the
fitters of Kärcher Customer Service or
fitters who have been authorised by
Kärcher.
Remedy
Reset motor protection switch; call Customer Ser-
vice if the problem recurs.
see below
Refill pump basin; check emergency fresh water
supply; repair, if required.
Restart the plant by switching off and on; other-
wise call Customer service
Backwash several times; if not successful,
change the gravel
Check all pipe connections; seal them, if required Operator, Cus-
Replace the float switch or reattach it
Check, repair or replace controls
Repair multi-channel valve; replace defective
parts
Turn the programme selector switch to the posi-
tion "Operation without conductivity monitoring or
"Operation with conductivity monitoring" and
press the SET key.
Check power supply and ensure proper supply.
Check, repair or replace controls
Emptying and cleaning the basins
Use compatible detergents; rinse the system, if
necessary
Check detergent dosing; reset, if necessary
Replace water and rinse the basins
Check the gravel fill and refill if necessary.
Adjust the backwash throttle
EN
8
-
Fault indication
There are indicator lamps in the switching
cabinet that display
Adding fresh water and
–
faults
–
.
By whom
Operator
Customer Ser-
vice
Operator, Cus-
tomer Service
Operator
Operator/Cus-
tomer Service
tomer Service
Customer Ser-
vice
Customer Ser-
vice
Customer Ser-
vice
Operator
Operator
Customer Ser-
vice
Operator/ Dis-
posal agency
Operator, Cus-
tomer Service
Operator, Cus-
tomer Service
Operator
Customer Ser-
vice
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