Cause : PG Disconnect (for Control Mode with PG) comes when detected when no PG pulses are received for a time longer than setting in F1-14.

1. PG cable is disconnected. Reconnect the cable.
2. PG cable wiring is wrong. Correct the wiring.
3. PG encoder does not have enough power. Make sure the correct power supply is properly connected to the PG encoder.
4. Brake is holding the PG. Ensure the brake releases properly.