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cartersarahAug 13, 2025
Why is my McQuay MCC 010C/CR Fan making so much noise?
- TThomas CarterAug 13, 2025
Noisy operation in your McQuay Fan can stem from several causes. It could be due to unremoved shipping bolts, which you can address by removing them. Alternatively, overcharged refrigerant might be the issue, requiring you to purge the refrigerant. Other potential causes include liquid refrigerant low suction pressure backing up, worn compressor parts, an evaporator noisy knocking runner fan, a worn bearing, a strainer whistling liquid line noisy partially clogged, loose fixed screws, or inadequate duct work.
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