Encoder 2

What does 7391 mean?

A feedback fault has occurred with Encoder 2. This is identical in nature to the Encoder 1 fault but pertains to the second encoder feedback channel, leading to similar loss of accurate motor position/speed data. This can affect dual-feedback systems or applications requiring redundant speed/position control.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Check the configuration parameters related to Encoder 2 in groups like 90 Feedback selection and 93 Encoder 2 configuration.

2. 4

   Ensure proper earthing and shielding to prevent signal interference specific to Encoder 2.