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Störungscode E07_Mini_ECOi

(ECOi-Geräte)

Error in Outdoor Unit Transmitting Signal to the Indoor Unit

1. Error Detection Method

It is judged an error when a unit itself cannot receive (discrepancy) a signal within a 3-minute period that it had sent.

  • Outdoor main PC board error
  • The setting of the terminal resistor select switch on the outdoor main PC board is set incorrectly.

2. Error Diagnosis

1
Outdoor unit control PC board   
1-1 Is the indoor/outdoor operation line connected to more than one outdoor unit? (Network wired?) Yes 1-2
No 1-3
1-2 Is the SHORT on the terminal resistor switch on the outdoor main PC board set to one unit, and the others are OPEN? Yes 1-4
No Set the SHORT to one unit only
1-3 Is the terminal resistor select switch on the outdoor main PC board set to OPEN? Yes Make the SHORT setting
No 1-4
1-4 Is the indoor/outdoor operation line opened or shorted? Yes Correct the wiring
No 1-5
1-5 Replace the outdoor unit main PC board.

 

  • For information on the procedures for replacing the outdoor main PC board, refer to the manual that is packaged with the service board.

 

 


 

 

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