4x blinking
Excessive power consumption.
–
Check main connections and mains
fuse.
Inform Customer Service
Indicator lamp burner failure
1x blinking
The exhaust temperature limiter has
–
been triggered.
Set the appliance switch to "0/OFF".
Allow device to cool down.
Turn on the appliance.
Error occurs repeatedly.
–
Inform Customer Service
2x blinking (option)
The flame sensor turned the burner off.
–
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.
Fuel indicator lamp glows
Fuel tank empty.
–
Refill fuel.
Indicator lamp system care is illumi-
nated
Note: Burner can operate 5 more hours.
System care bottle empty.
–
Replace the system care bottle.
Indicator lamp system care is blink-
Note: Burner operation no longer possible.
System care bottle empty.
–
Replace the system care bottle.
ing
Indicator lamp detergent 1 is illumi-
nated (HDS 12/18 only)
Detergent tank 1 is empty.
–
Refill detergent.
Indicator lamp detergent 2 is illumi-
nated (HDS 12/18 only)
Detergent tank 2 is empty.
–
Refill detergent.
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).
Device leaks, water drips from the
bottom of the device.
Pump leaky
–
Note: 3 drops/minute are allowed.
With stronger leak, have device
checked by customer service.
– 11
EN
33