Error code

Mitsubishi Electric MXZ code E8

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

Meaning

Indoor - branch box/branch box - outdoor unit communication error (Signal receiving error) (Branch box/outdoor unit) (1) Abnormal if branch box/outdoor controller circuit board could not receive anything normally for 3 minutes.

Member details

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Possible causes

(1) Contact failure of indoor/outdoor unit connecting wire (2) Defective communication circuit of branch box/outdoor controller circuit board (3) Defective communication circuit of indoor/branch box controller board (4) Noise has entered into indoor–branch box/branch box– outdoor unit connecting wire.

Solution

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