High
E32 on Keston Celsius 30

Your boiler has detected a fault with the sensor that monitors your hot water temperature, meaning you likely have no hot water or the temperature is inconsistent.

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

DHW sensor short circuit – check connections to domestic hot water (DHW) sensor

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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Related fault codes

E31View →E11View →

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