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Rational iCombi Pro Troubleshooting Manual page 32

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1
Disconnect the connector on the solenoid val ve block and check the
input voltage with a multimeter on the contact of the grey cable.
If Y3 is on "On",
230 V must be measured between the
contact (grey cable) and neutral.
Is this the case?
Yes
Check the hose running from the solenoid valve Y3 to
the moistening nozzle for blockage and remove if
necessary.
Replace the solenoid valve block.
End
Service error: 42.3
Repeat the voltage
No
measurement on the contact
X19 on the I/O board.
2
Is 230 V measured here?
No
Yes
Check the cable
connection and replace if
necessary.
Replace the I/O board.
End

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This manual is also suitable for:

Icombi classic