What does M020 mean?

This fault occurs when the accumulated input power value, typically measured in kWh, exceeds the maximum displayable value of 999.999 kWh, indicating a data overflow.

• Accumulated input power value has exceeded 999.999 kWh.

Click steps to track your progress.

1. 1

   Clear the accumulated input power value using logic input function 51 (Reset kWh).

2. 2

   Alternatively, clear the accumulated input power value by setting parameter F748 ([Power cons. memo]) to 0 (Disable) and then cycling power to the drive.