Brand > Type > Error code > E.04.12

Error code:

E.04.12

Cause

Lockout due to a false flame signal before burner start

False flame signal:

Burner continues to glow: -- Adjust O2

Ionization current measured, even though there should be no flame: -- check the ionization/ignition electrode

Defective gas valve: -- replace the gas valve

Defective ignition transformer: -- replace the ignition transformer