Register and win! WRP 10000 WRP 20000 - Kärcher

Fault Possible cause Remedy By whom
Indicator Lamp
"Fault" illuminates
Message "Recycled
water tank empty"
displayed on washing
system.
The swimmer switch S4.2 has triggererd
and S4.1 is not in the top position.
Washing system runs with fresh water until level
S4.1 top is reached. Find the cause.
- 9
Customer Service
Float switch S4 in pump basin is defective. Repair or replace float switch. Customer Service
Motor protection switch of the immersion
pump has been triggered.
Water level in the pump basin is too low and
emergency fresh water supply has failed
Reset motor protection switch; call Customer Service
if the problem recurs.
Refill pump basin; check emergency fresh water
supply; repair, if required.
Operator
Operator, Customer
Service
Float switch S11 is defective or loose Replace the float switch or reattach it Customer Service
Immersion pump has failed, is dirty or defective
Restart the plant by switching off and on; otherwise
call Customer service
Operator
Pipe connections are leaky Check all pipe connections; seal them, if required Operator, Customer
Service
Controls are defective Check, repair or replace controls Customer Service
Gravel filter plugged (filter output is too low) Backwash several times; if not successful, change
the gravel
Operator/Customer
Service
Multi-channel defective Repair multi-channel valve; replace defective parts Customer Service
Plant out of order Power supply is interrupted Check power supply and ensure proper supply. Operator
Controls are defective Check, repair or replace controls Customer Service
Processed water is
coloured or is foaming
too much
Water in the processed
water tank has
a bad odour
Continuous flow
sound
Immersion pump is
not functioning
Filter output is too
low
Fresh water consumption
is too high
Sludge collector or pump basin is dirty Emptying and cleaning the basins Operator/ Disposal
agency
Improper detergents are used in the washing
unit or washing hall
Detergent dosing in the washing unit is too
high
Washing place cleaned with incompatible
detergents
WRP was switched off during the night or
over the weekend
none or very poor circulation, very little ventilation
Float switch, control or fresh water solenoid
valve defective
Use compatible detergents; rinse the system, if
necessary
Operator, Customer
Service
Check detergent dosing; reset, if necessary Operator, Customer
Service
Replace water and rinse the basins Operator
WRP must be ON continuously Operator
Check whether the recirculation valve is open and
if the flow is at least 1.5 m 3 / (WRP 10,000) or 2.0
m 3 /h (WRP 20,000).
Check pipes for dirt and damage; clean or replace
them as required
Check the ventilation, the ventilator must clearly
bubble in the pump basin.
Operator
Operator, Customer
Service
Customer Service
Check, repair or replace the concerned component Operator, Customer
Service
Water level in the pump basis is too low Washing system runs with fresh water until level
S4.1 top is reached. Find the cause.
Float switch S7 defective Check the float switch; clean, repair or replace it as
required
Control head of multi-channel valve is defective
Customer Service
Operator, Customer
Service
Repair control head Customer Service
Controls are defective Check, repair or replace controls Customer Service
Gravel filter is blocked Backwash gravel filter or change the gravel. If the
problem recurs, increase the backwash duration
and/or increase the frequency.
Operator, Customer
Service
Immersion pump is blocked, defective Clean, repair, replace immersion pump Operator, Customer
Service
Pipe or valve is leaky, defective, blocked Check pipes and valves; clean, repair or replace as
required
Operator, Customer
Service
Float switch S9 is defective. Replace Customer Service
Conductivity sensor is defective or contaminated.
EN
Check; clean, replace, if required. Operator, Customer
Service
21