CRITICALError Code
E016: Overheating (Boiler)
Boiler water temperature exceeded maximum safety limit, triggering emergency shutdown.
What This Error Code Means
Boiler water temperature rose above safe operating range.
Common Causes
Circulator pump failure
Air trapped in system
Flow sensor failure
Low system pressure
Heat exchanger scaling
Affected Brands
NavienViessmannWeil-McLainBuderusLochinvar
How ROMA Heating Fixes This Error Code
Check circulator pump
Bleed air from system
Inspect flow and temperature sensors
Verify system pressure
Descale heat exchanger if needed
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