Error code

Mitsubishi Electric PUHY code 6815

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Meaning

Supervisor remote controller communication error: If an error is detected in communication with the MA remote controller set as the supervisor remote controller.

Member details

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Possible causes

(1) Cable contact failure of the MA remote controller set as the supervisor remote controller or the MA remote controller for the indoor unit (2) The wiring specifications are not met. Cable length Cable width The number of remote controllers The number of indoor units (3) A connected MA remote controller was removed without turning off the power. (4) Noise in the MA remote controller signal transmission line (5) Failure of the circuit that receives signals from the MA remote controller, which is on the indoor unit board (6) Sending/receiving circuit failure of the MA remote controller

Solution

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