Rational iCombi Classic

2
Service error: 42.2
1
If Y2 is
"On",
230 V must be measured between the contact (white
cable) and neutral.
Is this the case?
Repeat the voltage
measurement on the contact
X19 on the I/O board.
No
Is 230 V measured here? Replace the I/O board.
Check the cable connection and
replace if necessary.
End
No
Yes
Check the hose running from the solenoid
valve control Y2 to the control solenoid for
blockage and remove if necessary.
Yes
Replace the solenoid valve
block.
End