T084_A - Outdoor Air Sensor Fault
Status
This is a passive alarm, the air handler will operate normally with this alarm.
Description
This fault indicates the accessory outdoor air sensor is either open or shorted, or has been removed after being installed
Expected Operation
The fault "T084_A Outdoor Air Sensor Fault" will be declared but the air handler will continue to operate, however no temperature would be displayed in the EcoNet control center.
Cause
1. Outdoor air sensor was installed and removed without cycling power.
2. Outdoor air sensor or wiring has failed.
3. Bad air handler control board.
Solution
Technician should replace Outdoor Air Sensor.
Reinstall Outdoor Air Sensor, or cycle complete power to system and allow it to relearn there is no sensor.
Cycle power to system to allow it to relearn that no sensor is installed after verifying control board is dry.
Determine cause of condensation on control board. Low air flow, Water blowing off coil.
If problem persists, replace Air Handler control.
