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Aaron BryantAug 22, 2025
Why won't my MrCool Air Handler unit start?
- AAaron MooreAug 22, 2025
If your MrCool Air Handler unit isn't starting, it could be due to a few reasons. First, there might be a power failure, so wait for the power to come back on. Alternatively, the power switch might be off, so ensure it is switched on. Another possibility is a burned fuse in the power switch, in which case you should replace the fuse. Lastly, the remote control batteries might be dead, or the remote itself may be malfunctioning, so replace the batteries or check the controller.
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