Error code
Mitsubishi Electric MXZ code EB
No approved translation for this record yet; showing the original text.
Meaning
Miswiring of indoor–branch box/branch box–outdoor unit connecting wire (converse wiring or disconnection) Outdoor/branch box controller circuit board can automatically set the unit number of indoor units. Abnormal if the indoor unit number can not be set within 4 minutes after power on because of miswiring (converse wiring or disconnection) of indoor–branch box/ branch box–outdoor unit connecting wire.
Member details
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View details as a memberPossible causes
(3) Defective transmitting receiving circuit of outdoor/branch box controller circuit board (4) Defective transmitting receiving circuit of branch box/indoor controller board (5) Defective branch box/indoor power board (6) Noise has entered into power supply or indoor–branch box/ branch box–outdoor unit connecting wire. (1) Contact failure or miswiring of indoor–branch box/branch box –outdoor unit connecting wire (2) Diameter or length of indoor– branch box/branch box–outdoor unit connecting wire is out of specified capacity. (4) Defective transmitting receiving circuit of outdoor/branch box controller circuit board (5) Defective transmitting receiving circuit of indoor/branch box controller board (6) Defective indoor/branch box power board (7) Noise has entered into power supply or indoor–branch box/ branch box–outdoor unit connecting wire.
Solution
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