Error code
Mitsubishi Electric MXZ code EA
No approved translation for this record yet; showing the original text.
Meaning
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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View details as a memberPossible causes
1 indoor/outdoor unit connecting wire Diameter or length of indoor– 2 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. Defective transmitting receiving 3 circuit of outdoor/branch box controller circuit board Defective transmitting receiving 4 circuit of branch box/indoor controller board Defective branch box/indoor 5 power board Noise has entered into power 6 supply or indoor–branch box /branch box–outdoor unit
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