Two opposite red lights flashing — Alarm, pump has stopped

What does Red lights flashing mean?

The Grundfos Eye shows two opposite red lights flashing at the same time. This indicates a critical alarm condition has been detected and the pump has stopped.

• A serious internal or external fault has occurred, requiring immediate attention.

Click steps to track your progress.

1. 1

   Check the pump's display for a specific alarm code or message.

2. 2

   Follow the specific instructions for the alarm code, if available, in the manual (refer to page 46).

3. 3

   If no specific code is visible or the issue is unclear, switch off the pump at the main switch, wait a few minutes, then switch it back on.