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Cheryl RobertsonAug 16, 2025
Why is my Heatcraft Air Conditioner compressor not running?
- CChelsea LopezAug 16, 2025
Several factors can cause a Heatcraft Air Conditioner compressor not to run. It could be due to an open main switch (close the switch), a blown fuse (check for shorts or grounds, investigate overloading, and replace the fuse after correction), tripped thermal overloads (which reset automatically, so monitor the unit when it restarts), a defective contactor or coil (repair or replace it), or the system being shut down by safety devices (determine the cause and correct it before resetting the safety switch). Other potential causes include no cooling being required (wait until cooling is needed), motor electrical issues (check for open windings, short circuits, or burnout), or loose wiring (check and tighten all wire junctions and terminal screws).
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