High
2915 V on Worcester Bosch Greenstar 2000

Your boiler's fan is failing to switch off as it should, which means the system cannot complete its normal shutdown process.

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 fan keeps running after the post purge

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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