Input phase loss

What does 3130 mean?

The drive has detected a loss of one or more phases in the incoming supply power and has tripped. This fault prevents operation on an unbalanced supply which can cause severe damage to the drive's input rectifier stage and other internal components. It indicates a problem in the electrical supply chain.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Verify the integrity and operation of the main contactor or input disconnect switch.

2. 4

   Review parameter 31.21 Supply phase loss settings to ensure appropriate detection configuration.