Description
CO2 Too High
- Occurs during Normal Run with AFAM+ enabled.
- If the CO2 level has been within 0.6% of set point for at least one hour and then gets 1.6% above set point.
- Indicates:
- Need of ventilation with fresh air
- Stocked air vent door.
- Air Vent. Motor defect.
Corrective Action
- Using Manual Function Test - Check air vent door functionality.
- Check wiring.
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