Error code
Mitsubishi Electric PU code EA
No approved translation for this record yet; showing the original text.
Meaning
wiring, excessive number of units (5 units or more) 1. Abnormal if the number of connected indoor units can not be set within four minutes after power on because of mis-wiring of indoor/outdoor unit connecting wire and the like. 2. Abnormal if outdoor controller board recognizes the number of connected indoor units as “5 units or more”.
Member details
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View details as a memberPossible causes
1 indoor/outdoor unit connecting wire. Diameter or length of 2 indoor/outdoor unit connecting wire is out of specified capacity. Five or more indoor units are 3 connected to one outdoor unit. Defective transmitting receiv4 ing circuit of outdoor controller board Defective transmitting receiv5 ing circuit of indoor controller board Noise has entered into power 6 supply or indoor/outdoor unit connecting wire. Remote controller is wired up 7 among indoor units (twin, triple or quadro units). Two or more outdoor units has 8 refrigerant address “0.” (In case of group control).
Solution
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