High
ON FLASH ON on Baxi Eco Elite

Your boiler's internal temperature sensors are giving an incorrect reading, which means the system cannot safely heat your water.

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

Thermistor error

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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