Karcher Système de recyclage des eaux usées WRP 16000 - Manual (Page 20)

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