High
Sensor Fault (Central Heating) on Baxi Bahama 80e / 105e

Your boiler has detected a problem with the internal part that measures the temperature of the water for your radiators, meaning your heating likely won't work.

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

When the 40° neon is illuminated a fault on the central heating temperature sensor is indicated.

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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