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Remeha — Tzerra Ace Combi
Select a fault code
Fault Codes
E01HIgnition lockout🔄 Try Reset
Boiler failed to ignite.
E02HFlame loss🔄 Try Reset
Flame extinguished during operation.
E03HFan fault🔧 Engineer Required
Fan speed incorrect.
E05HOverheat lockout🔧 Engineer Required
High limit thermostat tripped.
E07HFlue thermostat🔧 Engineer Required
Abnormal flue temperature detected.
E10HLow water pressure🔄 Try Reset
System pressure below minimum.
E16HFlow NTC fault🔧 Engineer Required
Flow temperature sensor fault.
E17HReturn NTC fault🔧 Engineer Required
Return temperature sensor fault.
E20HPump fault🔧 Engineer Required
Circulation pump not operating correctly.
E25HGas valve fault🔧 Engineer Required
Gas valve fault detected.
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