Technical Information 19.2010
Page 5
TI_19_2010_30_01_01.fm
Customer complaint
Customer complaint
remedied?
no
Check water connection / screen and
clean if necessary, see
b
1.1.4
Troubleshooting completed
Leaky solenoid valve, repair or
replace
Leak testing: Engine switched off,
connect machine to water supply
(e. g., pressurized water tank)
Disconnect machine from water
supply. Connect power adapter,
see
b
5.2
System free of leaks?
Solenoid valve / control defective,
repair or replace if necessary
Blip the (OFF) button on the control
panel, see
b
1.1.2
Control panel
2)
/ button / wiring
harness defective, repair or replace
Blip the (+) button on the control panel
several times in succession,
see
b
1.1.2
yes
Can the clicking of the
solenoid valve be heard?
Does frequency
1)
increase?
Generator / wiring harness defective,
repair or replace
Control panel
2)
/ button / wiring
harness defective, repair or replace
no
yes
yes
yes
no
no
Blip the (–) button on the control panel
several times in succession,
see
b
1.1.2
Does frequency
decrease?
no
Can the clicking of the
solenoid valve be heard?
yes
Control panel
2)
/ button / wiring
harness defective, repair or replace
yes
no
1) : Frequency increases until the solenoid valve is all the way open; when the solenoid valve is all the way open, no more clicking can
be heard
2) : If the electronics detect a defective control panel, then the solenoid valve is opened all the way during use, thus ensuring the flow
of water
