Two red indicator lights flashing — Pump stopped due to alarm

What does Two red lights flashing mean?

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

• A critical fault has occurred, leading to pump shutdown.
• The pump detected a severe issue preventing safe operation.

Click steps to track your progress.

1. 1

   Check the pump's display or the Grundfos GO Remote app for specific alarm codes or messages.

2. 2

   Refer to the 'Assisted fault advice' menu (Page 34) or the 'Fault finding' section (Page 38) for corrective actions.

3. 3

   Follow the specific troubleshooting steps provided for the identified alarm.

4. 4

   If the alarm condition is not clear or persists, contact Grundfos Service.