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Faulty external temperature probe NTC on Biasi Riva Advance HE M110B.24SR/C

Your boiler is receiving incorrect temperature readings from its outdoor weather sensor, though it should still keep your home warm in the meantime.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

Faulty external temperature probe NTC

From this model's manual
Verified against the Biasi/Biasi Riva Advance M96 24sm installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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All 13 fault codes on the Riva Advance HE M110B.24SR/C

Seeing a different code? Every code this model can display, in one place.

Excessive temperature on primary circuitFaulty c.h. temperature probe NTC.Faulty d.h.w temperature probe NTCFaulty Electronic control/ignition p.c.b.Faulty fan control systemFaulty primary circuitFlame detection errorFlue temperature probe NTC lock outLack of burner ignitionLack of power supply or faulty electronic control p.c.b.Open flue temperature probe NTCSafety thermostat lock out

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