This incident blocks the control of the zone. Check that ?Error 2? does not appear to all controllers. If so, verify the proper operation of the main board. To solve this incident check:
1. Control board status: Correctly powered.
2. Control board status: Airzone Connection Bus LEDs are operating properly.
3. Connection: Verify the polarity of the control board and controller connectors.
4. Wiring: Check that the voltage between the poles (A /-) and (B/-) is about 0.65 Vdc.
5. Restart the zone and re-associate it with the system.
Remember: To reset to factory values of any Lite controller, turn up the microswitch 8 and place the controller on the base again. Press on , the LED will flash green twice when the reset process is completed.
6. Restart system: If the system is restarted, this error may be displayed in the controllers at the beginning of the process. This message should disappear after around 30 seconds.