High
PROBE FAULT on Grant Spira

Your boiler has lost the signal from one of its internal temperature sensors, which is preventing it from heating your home safely.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description

Probe fault is scrolling across the bottom of the burner control panel display. This may be due to plugs not being correctly fitted to the burner.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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