-SCS CONDENSER IOM MANUAL
Symptom Probable Cause Recommendation
Head Pressure Too
High
Low condenser airflow. (Indicated
by excessive warm air leaving the
condenser fan).
Open air passages.
Clean coil.
Check condenser fan(s).
Air or other non-condensable gas
Reclaim system and recharge. Install a new drier strainer.
Overcharge of refrigerant
Reclaim excess refrigerant from system
Condenser fan not on. Check main voltage power source to unit.
Check fan, contactor, fan cycling switch or fan speed
controller
Dirty or blocked condenser coil.
Clean coil or remove blockage
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