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David SmithJul 31, 2025
How to troubleshoot SystemAir Air Handlers when the fans do not start?
- SStacey LoganJul 31, 2025
If the fans in your SystemAir Air Handlers aren't starting, begin by checking the HMI for any alarms. Next, verify that all fuses and fast couplings are properly connected, including the main power supply and the fast couplings for both supply and extract air fans. Also, ensure that the week schedule is turned ON and running in AUTO mode, as it might be in OFF mode with the airflow set to OFF.
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