Rational iCombi Classic

2
Service error: 42.1
1
If Y1 is
"On",
the value measured between the contact (yellow
cable)
and neutral much match the specifications (e.g.
Germany: 230 V).
Is this the case?
Repeat the voltage
measurement on the contact
X19 on the I/O board.
Is the required value
measured here (e.g.
Germany: 230 V)?
Replace the I/O board.
End
Check the cable connection and replace if
necessary.
Problem solved? End
Replace the solenoid valve block.
End
No
Yes
No
Yes
No
Yes
Disconnect the connector on the solenoid valve block and check
the input voltage with a multimeter on the contact of the yellow
cable.