Rational iCombi Pro Troubleshooting Manual page 12

Error tree: Gas combustion system
Service error: 32.1
Unit type: iCombi
Ignition process faultygas error 22, 32, 42
Is the gas supply open?
Automatic burner control unit for ignition electrodes
Automatic burner control unit for gas valves
Dynamic and static gas pressure hardly show any
Check the insulation of the ignition cable for damage and also check for electric arcs outside the
burner during operation.
Insulation damaged or ignition spark visible?
Check the clearance of the ignition electrode to the return electrode and the clearance of the
ignition electrode to the burner.
Clearance > Min. values?
Condition of the burner OK?
Service error: 32.1
Does the connected gas type match what is indicated
"Lockout error" → gas reset required after the error is resolved
Service error 32.1
Yes
Connections OK?
Yes
difference?
No
No
No
Service error 32.1
on the nameplate?
Yes
Error in the gas combustion system
No Open the gas supply (exhaust system in operation?).
No Establish a connection. Use contact grease where necessary.
Replace the gas valve.
Yes
Yes Replace the ignition electrode.
Yes Replace the ignition electrode.
No Replace the burner.
1
Switch the unit to the gas type declared on the
No
Note: Repeat flue gas check required!
5x unsuccessful ignition process
22: Tabletop unit hot air / floor unit hot air top
32: Tabletop unit steam / floor unit steam
42: Floor unit hot air bottom
V01 · 05/2021 · RTS/Shof · en-GB
nameplate.
Gas reset