Fault Word 7, Bit 1 — Comm failure( unit with driver)

¿Qué significa Bit1: 1-Fault ?

Communication has failed between the unit controller and the Variable Speed Drive (VSD).

• Wiring issue between unit and VSD
• VSD failure
• Unit controller issue

Haga clic en los pasos para seguir su progreso.

1. 1

   Check the communication wiring connecting the unit and the VSD.

2. 2

   Ensure the VSD is powered and functioning.

3. 3

   Restart both the unit controller and the VSD.

4. 4

   Contact service for further diagnosis.