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Error
The supply air ventilator stands still.
Cause
The room ventilation unit runs in summer mode.
The frost protection function is switched on.
Error
• The room ventilation unit no longer functions.
• LEDs of the rotational speed levels do not illuminate.
Cause
The fireplace feature is switched on.
42
OII Avent P190/P310/P460
Correction
Switch off summer mode.
Wait until the outgoing air temperature reaches at least 8 °C.
Correction
Wait for 4 hours until the room ventilation unit automatically
switches on again.
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