Troubleshooting can be carried out in whole or in part using these instructions. It is important that you only carry out troubleshooting where you have sufficient knowledge and experience, especially when troubleshooting where the unit is live. Acetec accepts no responsibility for personal injury or damage to property during troubleshooting in accordance with these instructions.
Alarm 5 Outdoor air sensor, flashing 5 on the control panel:
- Switch off power supply to unit
- Check that the exhaust air sensor is placed in the exhaust air duct
- Check sensor cable for damage between sensor and unit
- Check connection and scaling on terminals 43 - 44,
- Press the orange button to disconnect the cable, check the scaling which should be about 7-10 mm, wind up, press the orange button and reassemble the cable.