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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