High
260 on Worcester Bosch 26 CDi Xtra

Your boiler is starting up, but it is turning itself off quickly because it cannot detect your water getting any warmer.

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

The flow temperature sensor is not detecting a rise in temperature following a burner start

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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