BoilerFaultCodesWhat the manual says
Manufacturer manualLack of power supply or faulty electronic control p.c.b.
From this model's manual
Verified against the Biasi/Biasi G101 Biasi Riva Advance He M110 24sm C Service Manual 4797029 installation & service manual.
Engineer required
This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.
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All 12 fault codes on the Riva Advance HE M110.24SM/C
Seeing a different code? Every code this model can display, in one place.
Faulty c.h. temperature probe NTCFaulty d.h.w temperature probe NTCFaulty Electronic control/ignition p.c.b.Faulty external temperature probe NTCFaulty fan control systemFaulty flue temperature probe NTCFaulty primary circuitFlame detection errorFlue temperature probe NTC lock outLack of burner ignitionSafety thermostat lock out