User manual

-122-
S
Fault List CM
No function - safety circuit
No function
Power supply
ok
Check main fuse of the
power supply and earth
leakage breaker
Fuses F1/F2
and contactor K1
ok?
Replace defective part
and find reason for tripping
Press dry up protector of steam
generator
No
No
Is unit on now?
Check steam heating
elements, SSR, water
supply, scale build up
Yes
Press safety thermostat of interior
cabinet
Is unit on now?
Check SSR, hot air
heating element
Yes
Input voltage at connector
X7 present?
Check cable and
connector
Fuse F1 of pcb
ok?
Change fuse
Yes
Yes
No
No
Yes
Change pcb
No
Yes
No
Is main switch S1
functioning?
Check switch,
if necessary change pcb
No