E021 — Motor overload

What does E021 mean?

The motor is overloaded. This may be due to the duty point being outside the recommended range or deposits in the pump.

• Duty point outside of duty chart
• Deposits in the pump
• Motor overload

Click steps to track your progress.

1. 1

   Check and correct the pump's duty point settings.

2. 2

   Inspect the pump for any internal deposits and clean if necessary.

3. 3

   Ensure the pump is correctly sized for the application.