What does the Grant Power supply fault code mean?

Your boiler has lost electrical power and cannot start or run any of its functions.

How much does it cost to fix Grant error code Power supply?

Typical repair cost for the Grant Power supply fault is £0-120 including labour.

Check if the main electrical fuse box (consumer unit) has tripped and flip the switch back up if necessary.

Check that fused spur for heating system and boiler is switched on – check that the electricity supply has not failed

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.

7 signs repair isn't worth it anymore.

Break-even maths on monthly cover.