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Andrew JacksonAug 4, 2025
How to fix a MrCool Air Handler that won't turn on?
- HhendersonandrewAug 4, 2025
If your MrCool Air Handler won't turn on, the first thing to check is whether it's properly connected to a power supply; make sure it is securely connected. Also, verify that the circuit voltage is within the rated scope to rule out low voltage issues. Lastly, inspect the fuse and circuit breaker; replace the fuse or reconnect the breaker if necessary.