Error code

Mitsubishi Electric PAC code EA

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

Meaning

Indoor–branch box/branch box–outdoor unit connector miswiring, excessive number of units 1. Outdoor/branch box controller circuit board can automatically check the number of connected indoor units. Abnormal if the number cannot be checked automatically due to miswiring of indoor– branch box/branch box–outdoor unit connecting wire and etc. after power is turned on for 4 minutes.

Member details

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Possible causes

(1) Contact failure or miswiring of indoor/outdoor unit connecting wire (2) Diameter or length of indoor– branch box/branch box–outdoor unit connecting wire is out of specified capacity. There are 9 or more indoor units in the system. There are 3 or more branch boxes in the system. (3) Defective transmitting receiving circuit of outdoor/branch box

Solution

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