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Störungscode P05_Mini_ECOi

(ECOi-Geräte)

Power Supply Error

1. Error Detection Method

  • Instantaneous blackout
  • Zero-cross (waveform input of power supply) error
  • DC voltage charge failure

2. Error Diagnosis

Note:

The work involved in diagnosing each of the items is extremely dangerous, so turn the power off at the breaker before performing the tests.

1
Check the power supply & the wiring
1-1 Is the voltage on each of the terminal boards within +10% of the rated voltage? Yes 1-4: Single-phase model
1-2: 3-phase model
No Check for open circuit and the voltage at the breaker. if a problem is found, fix it and check again.
1-2  Power wiring N-phase is connected. Yes Correct wiring
No 1-3
1-3  Power wiring L2 and N are reverse connected. Yes Correct wiring
No 1-4
1-4  Turn the power back on and check again. Is the alarm triggered again? Yes 3-1: Single-phase model
2-1: 3-phase model 
No 2-3
2
Check the outdoor unit CR PC boar
2-1  The connector CN-PRY2 on the outdoor CR PC board is connected properly (locked). Yes 3-1
No Correct wiring
3
Check the outdoor unit HIC PC board
3-1  Are the wires (RE1, RE2) from the reactor firmly installed? Yes 3-2
No Correct wiring
3-2 Turn the power back on and check again. Is the alarm triggered again? Yes Replace the outdoor unit HIC PC board.
No 4-1
4 Final check 4-1   There may be a instantaneous blackout failure. If there is nothing abnormal, see what happens.


 

 


 

 

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