High
144 on Worcester Bosch WR325 RSF

Your boiler has detected that the water temperature is rising too quickly while the burner is on, so it has stopped heating to prevent damage.

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

High temp start condition with burner running

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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