Error code

Mitsubishi Electric PUH code FA

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Meaning

51CM connector open Abnormal if 51CM connector circuit is open for 3 minutes continuously after power on. 51CM: Thermal Relay

Member details

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Possible causes

(1) Disconnection or contact failure of 51CM connector on outdoor controller board (2) Disconnection or contact failure of 51CM (3) Defective 51CM (defective parts) (4) Defective outdoor controller

Solution

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