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F28-F31 - Sensor failure

Alarm conditions:

F28 - Temperature sensor failure (room temperature sensor failure),

F29 - Humidity sensor failure (room humidity sensor failure, plate exchanger defrost),

F30 - Humidity sensor failure (dehumidification control).

F31 - Impurity sensor failure (humidity control)

Possible causes:

  1. Air quality sensor failure,
  2. Wrong settings,
  3. Controller failure..

Troubleshooting


1 pav. C6 external connections (air quality sensors)

 

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