"Low water" indicator lamp
– Lack of water - heater is switched off
Check water supply, check connec-
tions.
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
Note: Heater can only operate 5 more
hours.
– System care bottle empty.
Replace the system care bottle.
Indicator lamp system care is
Note: Heater operation no longer possible.
– System care bottle empty.
Replace the system care bottle.
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 accelerated.
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 neces-
sary.
– Amount of water supply is too low.
Check water supply level (refer to tech-
nical data).
– 9
EN
illuminated
blinking
15