Rational iCombi Pro Troubleshooting Manual page 16

Error tree: Gas blower speed
Service error: 32.4
Unit type: iCombi
Service 32.4
Gas blower speed faultyGas error 20, 30, 40
Replace the gas blower.
Replace the automatic burner control unit.
Service error: 32.4
Service error 32.4
Does the connected gas type match what is indicated
on the nameplate?
Yes
Error in the gas combustion system
"Lockout error" → gas reset required after the error is resolved
20: Tabletop unit hot air / floor unit hot air top30: Tabletop unit steam / floor unit steam40:
1
No
The measured speed of a gas blower deviates from the target speed by 150 rpm.
Floor unit hot air bottom
Switch the unit to the gas type declared on the
nameplate.
Note: Repeat flue gas check required!
Gas reset
V01 · 05/2021 · RTS/Shof · en-GB