Error code

Mitsubishi Electric PCA code E6

No approved translation for this record yet; showing the original text.

Meaning

Indoor/outdoor unit communication error (Signal receiving error) Abnormal if indoor controller board 1 cannot receive any signal normally for six minutes after putting the power on. Abnormal if indoor controller board 2 cannot receive any signal normally for three minutes. Consider the unit abnormal under the 3 following condition: When two or more indoor units are connected to one outdoor unit, indoor controller board cannot receive a signal for three minutes from outdoor controller circuit boa

Member details

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Possible causes

(1) Contact failure, short circuit or, mis-wiring (converse wiring) of indoor/outdoor unit connecting wire (2) Defective transmitting receiving circuit of indoor controller board (3) Defective transmitting receiving circuit of indoor controller board (4) Noise has entered into indoor/ outdoor unit connecting wire.

Solution

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