Identification should include the following possible causes:
- Plugging moisture in the system
- Fan is not operational
- Airflow is restricted
ASE 1: VI. Heating, Ventilation, and Air Conditioning: E. Refrigerant Recovery, Recycling, and Handling
Process/Skill Questions:
- Why would a non-operational cooling fan cause the valve to release?
- Why is moving air so important in an A/C system?