High
E 26 on Chaffoteaux Minima HE

Your boiler is having trouble communicating with the probe that measures the temperature of your hot water storage tank, which will likely prevent your hot water from heating up properly.

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

Tank sensor short circuit

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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