Error code
Mitsubishi Electric PUH 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 4 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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