385 — Input voltage too low (< 175V)

What does 385 mean?

The boiler's electrical power supply voltage has dropped below 175V, which is too low for proper operation. The boiler should automatically reset once the voltage returns to normal.

• Low voltage from the mains electricity supply
• External power supply issues impacting the household voltage

Click steps to track your progress.

1. 1

   Wait for the mains voltage to stabilise; the boiler should reset automatically once it exceeds 175V.

2. 2

   Check if other electrical appliances in your home are experiencing low power or flickering, indicating a wider issue.

3. 3

   If the fault persists or occurs frequently, contact your electricity provider or an Authorised Service Centre.