E385/165 — Under voltage

What does E385/165 mean?

The boiler has detected that the incoming electrical power supply voltage is too low.

• Low voltage from the main electrical supply.
• Issue with the boiler's internal power supply.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the boiler, wait 30 seconds, then turn it back on.

2. 2

   Check if other electrical appliances in your property are experiencing power issues.

3. 3

   If the error persists, a qualified electrician or boiler technician should check the incoming electrical supply voltage.