Kärcher WRP 10000 Betriebsanleitung Seite 21

Fault Possible cause
Indicator Lamp The swimmer switch S4.2 has triggererd
"Fault" illuminates and S4.1 is not in the top position.
Float switch S4 in pump basin is defective. Repair or replace float switch.
Motor protection switch of the immersion
pump has been triggered.
Message "Recycled Water level in the pump basin is too low and
water tank empty" emergency fresh water supply has failed
displayed on wash-
Float switch S11 is defective or loose
ing system.
Immersion pump has failed, is dirty or de-
fective
Pipe connections are leaky
Controls are defective
Gravel filter plugged (filter output is too low) Backwash several times; if not successful, change
Multi-channel defective
Plant out of order Power supply is interrupted
Controls are defective
Processed 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
Water in the proc- WRP was switched off during the night or
essed water tank has over the weekend
a bad odour
none or very poor circulation, very little ven-
tilation
Continuous flow Float switch, control or fresh water solenoid
sound valve defective
Immersion pump is Water level in the pump basis is too low
not functioning
Float switch S7 defective
Control head of multi-channel valve is de-
fective
Controls are defective
Filter output is too Gravel filter is blocked
low
Immersion pump is blocked, defective
Pipe or valve is leaky, defective, blocked
Fresh water con- Float switch S9 is defective.
sumption is too high
Conductivity sensor is defective or contam-
inated.
Remedy
Washing system runs with fresh water until level
S4.1 top is reached. Find the cause.
Reset motor protection switch; call Customer Serv-
ice if the problem recurs.
Refill pump basin; check emergency fresh water
supply; repair, if required.
Replace the float switch or reattach it
Restart the plant by switching off and on; otherwise
call Customer service
Check all pipe connections; seal them, if required Operator, Cus-
Check, repair or replace controls
the gravel
Repair multi-channel valve; replace defective parts Customer Serv-
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
WRP must be ON continuously
Check whether the recirculation valve is open and
if the flow is at least 1.5 m
m /h (WRP 20,000).
3
Check pipes for dirt and damage; clean or replace
them as required
Check the ventilation, the ventilator must clearly
bubble in the pump basin.
Check, repair or replace the concerned component Operator, Cus-
Washing system runs with fresh water until level
S4.1 top is reached. Find the cause.
Check the float switch; clean, repair or replace it as
required
Repair control head
Check, repair or replace controls
Backwash gravel filter or change the gravel. If the
problem recurs, increase the backwash duration
and/or increase the frequency.
Clean, repair, replace immersion pump
Check pipes and valves; clean, repair or replace as
required
Replace
Check; clean, replace, if required.
9
-
EN
By whom
Customer Serv-
ice
Customer Serv-
ice
Operator
Operator, Cus-
tomer Service
Customer Serv-
ice
Operator
tomer Service
Customer Serv-
ice
Operator/Cus-
tomer Service
ice
Operator
Customer Serv-
ice
Operator/ Dis-
posal agency
Operator, Cus-
tomer Service
Operator, Cus-
tomer Service
Operator
Operator
Operator
/ (WRP 10,000) or 2.0
3
Operator, Cus-
tomer Service
Customer Serv-
ice
tomer Service
Customer Serv-
ice
Operator, Cus-
tomer Service
Customer Serv-
ice
Customer Serv-
ice
Operator, Cus-
tomer Service
Operator, Cus-
tomer Service
Operator, Cus-
tomer Service
Customer Serv-
ice
Operator, Cus-
tomer Service
21