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10
Fault
Possible cause
Remedy
of whom
Appliance is not running; indica-
tor lamp for operations readi-
ness is not illuminated
There is no voltage in the machine. Check electrical mains.
Electrician
Main switch is switched off.
Turn on the main switch.
Operator
Motor protection switch for the con-
trol and the prepressure pump has
been triggered.
Check motor protection switch.
Customer Service
Control board defective, green
LEDs are not blinking.
Check control board, replace if necessary.
Customer Service
Pump starts during the stand-by
period and not when the hand
spray gun is opened.
Pressure sensor or cable to pres-
sure sensor defective.
Replace pressure sensor or cable.
Customer Service
Full pressure does not build up
in the appliance
Flushed the nozzle.
Replace the nozzle.
Operator
Suction site pipe leaking.
Check screw fittings and hoses.
Operator
Safety valve is leaky.
Check the setting; install new washers, if re-
quired.
Customer Service
Overflow valve is leaking or set too
low.
Check valve parts; replace damaged parts;
clean the dirt.
Customer Service
Valve in the pump defective, high-
pressure solenoid valve does not
close.
Replace defective components.
Customer Service
High pressure pump is knock-
ing; manometer is swaying wild-
ly
Pump is sucking air.
Check suction system and remove leaks.
Operator
Valve plate or valve spring is defec-
tive.
Replace defective components.
Customer Service
Advance pump calcified or defec-
tive.
Check advance pump.
Operator
Overflow valve opens and clos-
es continuously during 0 takeo-
ver
Leakage in the high-pressure pipe-
line system or hand spray gun leak-
ing.
Locate and seal leakage.
Operator
Backflow valve or control piston
seal leaking in overflow valve.
Repair the overflow valve.
Customer Service
Indicator lamp "water low" is il-
luminated (error no. 01)
The water shortage safeguard in
the swimmer tank has got activat-
ed.
Remove the water shortage.
Operator
Swimmer valve is jammed.
Check swimmer valve for free movement.
Operator
Indicator lamp "engine over-
heated" is illuminated (error no.
02)
Thermal sensor in the engine or the
over-current protection switch has
been triggered.
Rectify cause for over-loading.
Customer Service
Indicator lamp "collection error"
is blinking (error no. 03)
The temperature sensor in the
swimmer tank has been activated.
Reduce water infeed temperature.
Operator
Indicator lamp "collection error"
is blinking (error no. 04)
Leakage in the high-pressure pipe-
line system.
Locate and seal leakage.
Operator
Too many consumer loads open at
the same time.
Close some consumer loads.
Operator
Flow switch defective.
Replace flow switch.
Customer Service
Indicator lamp "collection error"
is blinking (error no. 05)
Leakage in the high-pressure pipe-
line system.
Locate and seal leakage.
Operator
Flow switch defective.
Replace flow switch.
Customer Service
Indicator lamp "collection error"
is blinking (error no. 06)
Pressure sensor does not transmit
signal.
Check pressure sensor, replace if required. Customer Service
Indicator lamp "collection error"
is blinking (error no. 07)
Temperature sensor does not
transmit signal.
Check temperature sensor, replace if re-
quired.
Customer Service
26
EN