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Service error: 33.2
Error tree: Automatic ignition controller
Service error: 33.2
Unit type: iCombi
V01 · 05/2021 · RTS/Shof · en-GB
Error in the gas combustion system
"Blocking error" → after the error has been resolved, automatic reset
Switch the unit to the gas type declared on the
nameplate.
Note: Repeat flue gas check required!
Does the connected gas type match what is indicated
on the nameplate?
No
Yes
Service 33.2
Initialisation error automatic burner control unit
Gas error 48
Automatic burner control unit was not correctly initialised:
Fan speeds incomplete or
Start speed < Min. speed or
Start speed > Max. speed
BUS connection intact?
Are the gas speeds completely present in the
service menu?
MIN < START < MAX
Use the Recovery software.
Yes
Check the complete BUS connection
(all BUS connectors)
No
Change the gas type, switch the unit off and on again,
set the original gas type, switch the unit off and on
again.
Note: The TechAssistantApp is required to change the
gas type.
Yes
No
Service error 32.2