Rational iCombi Pro Troubleshooting Manual page 30

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