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Störungscode E20_ECOi_MF1

(ECOi-Geräte)

 

Alarm Code E20
Alarm meaning No indoor units at automatic address setting. 
Alarm conditions When automatic address setting was performed, no indoor units were recognized.
Probable cause
  1. The inter-unit control wiring from the outdoor unit to the indoor units has been cut.
  2. Serial connector 1 (CN001) is disconnected at the outdoor unit.
  3. The power is OFF at all indoor units in the system.
Check
  1. Check whether the inter-unit control wiring from the outdoor unit to the indoor units is cut.
  2. Check whether serial connector 1 (CN001) is disconnected at the outdoor unit.
  3. Check the power at the indoor units.
Correction
  1. Reconnect the inter-unit control wire from the outdoor unit to the indoor unit.
Example
Notes

Position of serial connector CN001 on 3-WAY System

 

 


 

 

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