What does the Worcester Bosch FD 231 fault code mean?

Your boiler has lost its connection to the electrical supply or has detected an issue with the power coming into the unit.

How much does it cost to fix Worcester Bosch error code FD 231?

Typical repair cost for the Worcester Bosch FD 231 fault is £90-280 including labour.

Check if there has been a local power cut or if a fuse has tripped in your home's main consumer unit.

Mains power fault – electrical power interruption

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

Work through these before the call-out.

Safety-critical — turn off, read this.

7 signs repair isn't worth it anymore.