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10 APPENDIX: Troubleshooting
CONTROLLER STATE
LED LIGHT INDICATORS
Red LED
(Power)
Green LED
(Status)
COMM LOSS
Check that the wiring is correct.
Check that the device instance is not duplicated on the network.
WIRED CBT STAT FAILURE
Check the device is wired correctly.
AIRFLOW FAILURE
Check that the airflow tubes are connected to the device from the airflow sensor.
Check that there are no airflow blockages on the airflow sensor.
Check that the damper is open, and the air handler is running.
DAMPER FAILURE
Check that the
damperOfflineAlarm
damper.
Check the linkage connecting the damper to the device is tight.
Check that no debris is preventing the damper from opening or closing.
FAN FAILURE
Check that the unit configuration is set up for either On/Off or analog control of a fan.
Check that the correct output is controlling the fan, and it is wired correctly.
Check that no debris is preventing the fan from operating.
DUCT HEAT FAILURE
Check that the unit configuration is set up for either On/Off or analog control of the heat.
Check that the correct output is controlling the heating element, and it is wired correctly.
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Off
On
Power is
Power is on
off
Unit is not
Strategy Loaded but no
running
network connectivity
(D229) is not on. This would indicate a communication error with the
APPENDIX: Trouble
FBVi-2U4-4T |
Slow Blink
-------- Unit Rebooting -------
Strategy Loaded and device
communicating on network
Fast blink
No Strategy
loaded
101
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