No Cool. Zone Damper Actuator Not Opening Or Closing EP139

Nighthawk HVAC
Nighthawk HVAC
10,828
0
Published 2023-07-02
No cool call. One suite is not getting any airflow and the other one always has airflow. Looks like we had a stuck open and stuck closed zone damper actuators. How to diagnose a stuck power open power closed zone damper actuator.

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