Error code

Mitsubishi Electric PFD code 6834

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Meaning

MA controller signal reception error (Start bit detection error): Communication between the MA remote controller and the indoor unit is not done properly. No proper data has been received for 2 minutes.

Member details

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Possible causes

(1) Contact failure of the remote controller lines of MA remote controller or the indoor unit. (2) All the remote controllers are set to SUB. (3) Failure to meet wiring regulations Wire length Wire size Number of remote controllers Number of indoor units (4) The remote controller is removed after the installation without turning the power source off. (5) Noise interference on the remote controller transmission lines (6) Faulty circuit that is on the indoor board and performs transmission/ reception of the signal from the remote controller (7) Problems with the circuit on the remote controller that sends or receives the signals from the remote controller

Solution

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