CRITICALError Code
52: No Flame - Burner Shutdown (Boiler - Viessmann)Emergency Diagnosis & Repair
Viessmann boiler detected flame failure during operation and shut down burner.
What This Error Code Means
Flame monitoring system lost flame signal while burner was running.
Common Causes
Gas supply interruption
Flame sensor dirty
Combustion air issue
Gas pressure fluctuation
Clogged burner nozzle
Affected Brands
Viessmann
How ROMA Heating Fixes This Error Code
Check gas supply continuity
Clean or replace flame sensor
Inspect burner assembly
Verify combustion air supply
Reset and monitor operation
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