What to do if Komfovent VERSO Pro S shows 'Extract air temperature sensor failure'?
If the Komfovent Fan indicates that the extract air temperature sensor has failed, it means the discharged air temperature sensor is either not connected or broken. Check the connections of the sensor or replace it.
Why is the extract air flow low in my Komfovent Fan?
If you have low extract air flow in your Komfovent Fan, check the pressure pipes, air dampers, air filters and make sure that the ventilation system is not blocked, as the cause may be too high resistance of the ventilation system.
What to do if my Komfovent VERSO Pro S heat exchanger is icing?
If your Komfovent Fan's heat exchanger is icing, it might be due to a low outdoor temperature and high room humidity. You should check the operation of the rotation heat exchanger drive or the air bypass damper of the plate heat exchanger.
Why is the electric heater off on my Komfovent VERSO Pro S Fan?
If the electric heater on your Komfovent Fan is off because it's disconnected due to too low air volume, the protection resets automatically as soon as the heater cools down. It is recommended to increase the ventilation intensity level.
How to fix 'CF exchanger not calibrated' error on Komfovent VERSO Pro S?
If the Komfovent Fan displays a 'CF exchanger not calibrated' message, it means the CF exchanger calibration was not performed or failed. Ensure that all doors are closed, there are no obstructions in the ducts, and the AHU can reach the airflow setpoint of COMFORT 1 mode. Then, repeat calibration manually.
How to handle the service time message on my Komfovent VERSO Pro S Fan?
If a periodic inspection message appears on your Komfovent Fan, it means the unit has been in continuous operation (without breaks) for 12 months. After disconnecting the unit from the power supply, you need to perform a periodic inspection, checking the condition of the heat exchanger, the heater, and the fans.
How to switch off service mode on Komfovent VERSO Pro S?
If your Komfovent Fan is in service mode, which is a temporary mode activated by service personnel, you can switch it off by simply deleting the alert message.
Why is my Komfovent Fan electric heater off?
If the Komfovent Fan heater is off, this could be due to it being disconnected because of too low air volume. Once the heater cools down, the protection will reset automatically. It's recommended to increase the ventilation intensity level.
What to do for an extract air temperature sensor failure in Komfovent VERSO Pro S Fan?
If the extract air temperature sensor has failed in your Komfovent Fan, check connections of the sensor or replace the sensor, as the discharged air temperature sensor might not be connected or broken.
What should I do if my Komfovent VERSO Pro S Fan has an external fire alarm?
If your Komfovent Fan shows an external fire alarm, delete the alarm message and restart the unit when the fire signal disappears, as a fire signal has been received from the fire signalization system of the building.
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