4x blinking
–
Heater contactor fault
Set the appliance switch to "0/OFF".
Turn on the appliance.
–
Error occurs repeatedly.
Inform Customer Service.
"Low water" indicator lamp
–
Lack of water - heater is switched off
Check water supply, check connections.
Indicator lamp "Ready for use" turns off
–
No line voltage, see "Appliance is not running".
Indicator lamp for heater lights up
–
Heater operation
Engine indicator lamp
2x blinking
–
Engine overload/overheat
Set the appliance switch to "0/OFF".
Allow device to cool down.
Turn on the appliance.
–
Error occurs repeatedly.
Inform Customer Service.
3x blinking
–
Fault in the voltage supply.
Check main connections and mains fuse.
4x blinking
–
Excessive power consumption.
Check main connections and mains fuse.
Inform Customer Service.
Indicator lamp boiler fault
1x blinking
–
Temperature limiter has got triggered.
Set the appliance switch to "0/OFF".
Allow device to cool down.
Turn on the appliance.
–
Error occurs repeatedly.
Inform Customer Service.
3x blinking
–
System care detection defective
Inform Customer Service.
4x blinking
–
Temperature sensor defective
Inform Customer Service.
Indicator lamp service
–
Service interval
Perform service work.
Indicator lamp system care is illuminated
Note: Heater can only operate 5 more hours.
–
System care bottle empty.
Replace the system care bottle.
Indicator lamp system care is blinking
Note: Heater operation no longer possible.
–
System care bottle empty.
Replace the system care bottle.
12
Appliance is not running
–
No power
Check power connection/conduit.
Device is not building up pressure
–
Air within the system
Vent pump:
Set dosing value for detergent to "0".
With open hand spray gun turn device on and off
multiple times with the device switch.
Open and close the pressure/quantity regulation at
the pump unit with the hand spray gun open.
Note: By dismantling the high pressure hose from the
high pressure connection the venting process is accel-
erated.
If detergent tank is empty, refill.
Check connections and conduits.
–
Pressure is set to MIN
Set pressure to MAX.
–
Sieve in the water connection is dirty
Clean sieve.
Clean the fine filter; replace it, if necessary.
–
Amount of water supply is too low.
Check water supply level (refer to technical data).
Device leaks, water drips from the bottom of
–
Pump leaky
Note: 3 drops/minute are allowed.
With stronger leak, have device checked by cus-
tomer service.
Note: Condensate can cause increased drop genera-
tion on the appliance.
Device turns on and off while hand spray gun
–
Leak in the high pressure system
Check high pressure system and connections for
tightness.
Device is not sucking in detergent
Leave the appliance running with open detergent
dosing valve and closed water supply, until the boil-
er is sucked empty and the pressure falls to "0".
Open the water supply again.
If the pump still is not sucking in any detergent, it could
be because of the following reasons:
–
Filter in the detergent suck hose dirty
Clean filter.
–
Backflow valve stuck
Remove the detergent hose and loosen the back-
flow valve using a blunt object.
Boiler does not heat up
–
System care bottle empty.
Replace the system care bottle.
–
Water shortage
Check water supply, check connections.
–
Heater defective.
Inform Customer Service.
Set temperature is not achieved while using
–
Working pressure/flow rate to high
Reduce working pressure/flow quantity at the pres-
sure/volume regulator in the pump unit.
– 6
EN
the device
is closed
hot water