V1 NTS switch fault

What does 0151 mean?

The elevator stops, performs a correction drive, and returns to the bottom floor with the V3F25/18 drive. This indicates a fault with the V1 NTS (Normal Terminal Stopping) switch.

Click steps to track your progress.

1. 1

   Check the positioning of the NTS switches.

2. 2

   Check the operation of the NTS switches.