One yellow light solid — Warning, pump has stopped

What does Yellow light solid mean?

A single yellow indicator light remains constantly on. This indicates that a warning condition has occurred and the pump has ceased operation.

• A fault has been detected that prevents the pump from running, but it is not critical enough to trigger a red alarm.

Click steps to track your progress.

1. 1

   Check the pump's control panel for any specific warning messages or codes.

2. 2

   Attempt to reset the pump by briefly cycling its power at the main switch.

3. 3

   If the warning persists, review the pump's log for stored fault causes and consult the manual or Grundfos Service.