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Fault
Service indicator light
flashes 2x
Service indicator light
flashes 3x
Service indicator light
flashes 4x
Service indicator light
flashes 5x
The service indicator
light flashes 6x
The fuel indicator light
lights up
System care indicator
light lights up
Detergent indicator light
lights up
Device not building up
pressure
Device is leaking, water
is dripping from the bot-
tom of the device
The device switches on
and off continuously
when the high-pressure
gun is locked
The device does not
suck in any detergent
Cause
Fault in the voltage supply or current con-
sumption of the motor too high
Motor overloaded/overheated
Malfunction occurs repeatedly
Exhaust gas thermostat has triggered
Malfunction occurs repeatedly
Reed switch stuck in the water shortage
safeguard or magnetic piston stuck
Flame sensor has switched off the burner 1. Contact Customer Service.
Fuel tank is empty
System care container is empty
Detergent tank is empty
Air in the system
Pressure is set to MIN
Fine filter dirty
Water supply volume too low
Pump leaking
Leak in the high-pressure system
If the pump still does not suck in deter-
gent, this can be due to the following rea-
sons:
The filter in the detergent suction hose is
dirty
Check valve is stuck
Rectification
1. Check the power supply and the mains
power supply circuit breaker.
2. Contact Customer Service.
1. Set the trigger to "0/OFF".
2. Allow the device to cool down.
3. Switch the device on.
1. Contact Customer Service.
1. Set the trigger to "0/OFF".
2. Allow the device to cool down.
3. Switch the device on.
1. Contact Customer Service.
1. Contact Customer Service.
1. Refill the fuel.
1. Fill up the system care.
1. Fill with detergent.
1. Venting the pump:
a Set the detergent dosing valve to "0".
b With the high-pressure gun open, switch
the device on and off several times via
the power switch.
c Open and close the pressure/quantity
regulator of the pump unit with the high-
pressure gun open.
Note
The venting process is accelerated by remov-
ing the high-pressure hose from the high-pres-
sure connection.
2. Top up the detergent if necessary.
3. Check connections and lines.
1. Set the pressure to "MAX".
1. Clean the fine filter, replace if necessary.
1. Check the water supply volume (see
"Technical data").
1. If there is a significant leak, have the de-
vice checked by Customer Service.
Note
3 drops/minute are permitted.
1. Check the high-pressure system and the
connections for leaks.
1. Let the device run with the detergent dos-
ing valve open and the water inlet closed
until the float tank has been sucked empty
and the pressure drops to "0".
2. Open the water inlet again.
1. Clean the filter.
1. Pull off the detergent hose and free up the
check valve with a blunt object.
English
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