BoilerFaultCodesWhat the manual says
Manufacturer manualFlue temperature probe NTC lock out
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 errorLack of burner ignitionLack of power supply or faulty electronic control p.c.b.Safety thermostat lock out