How much does it cost to fix Worcester Bosch error code F7 328?

Typical repair cost for the Worcester Bosch F7 328 fault is £0-120 including labour.

F7 328 Low

Worcester Bosch F7 328 Fault Code

Q: What does the Worcester Bosch F7 328 fault code mean?

Your boiler has experienced a temporary interruption in its electrical supply, similar to a brief power cut, and has paused operation as a safety precaution.

Also written as F7328 — same fault.

The Worcester Bosch F7 328 fault code means: your boiler has experienced a temporary interruption in its electrical supply, similar to a brief power cut, and has paused operation as a safety precaution.. It appears on 11 Worcester Bosch models in our database.

Technical description: A brief power failure has occurred

Typical repair cost £0-120 (including labour)

DIY fix possible

Locate the reset button on the boiler control panelPress and hold the reset button for 3 to 5 secondsWait for the boiler to restart and check if the error clears

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Worcester Bosch models that show the F7 328 fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Worcester Bosch F7 328 fault code information on this page is sourced and cross-checked against the official Worcester Bosch service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026