Error code

Mitsubishi Electric PU code A0

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Meaning

error> Meaning of error code and detection method Address duplicate definition This error is displayed when transmission from the units of same address is detected. Note) The address and attribute displayed at remote controller indicate the controller that detected abnormality.

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Possible causes

(Note) “Indoor unit” in the text indicates Case (1) There are two or more same address of controller of outdoor unit, indoor unit, FRESH MASTER, or LOSSNAY. (2) Noise has entered into transmission signal and signal was transformed.

Solution

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