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Stephanie Case PhDAug 14, 2025
How to fix communication error on McQuay Air Conditioner?
- Mmichael77Aug 14, 2025
To troubleshoot communication errors with your McQuay Air Conditioner, verify the connection wires between the indoor and outdoor units. Also, check the voltage of the signal terminal and the power supply waveform. Furthermore, inspect the indoor fan by rotating it manually.