Green LED flashes once — Loss of communication

What does Green LED 1 flash mean?

The control module is not communicating with the master controller. This warning indicates communication has been lost for more than 5 minutes. The unit will typically continue to run if the communication loss is external to the module.

• Loss of communication between the module and master controller
• Incorrect DIP switch settings

Click steps to track your progress.

1. 1

   Verify DIP switch settings are correct for your system.

2. 2

   Check wiring connections between the module and master controller.

3. 3

   Restart the master controller and the module.

4. 4

   If communication is not re-established, contact support.