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Störungscode F12_ECOi_MF1

(ECOi-Geräte)

 

Alarm Code F12
Alarm meaning Outdoor air temperature sensor trouble
Alarm conditions
  1. A/D step is 10 steps or less (short circuit).
  2. A/D step is 1014 steps or more (open circuit).
Probable cause
  1. Sensor malfunction (including connector)
  2. PCB malfunction
Check
  1. Measure the sensor resistance. Check that the sensor is operating normally.
  2. Use a remote controller monitor or PC monitor to check the temperature that is recognized by the microcomputer.
Correction
Example
Notes

 

 


 

 

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