Diagnosis should include
- verifying complaints
- checking for related problems
- using symptom-based diagnostic information
- performing appropriate tests to determine the necessary repairs.
Process/Skill Questions:
- What tools are needed to diagnose malfunctions in the HVAC system?
- What procedures should be used to diagnose malfunctions in the HVAC system?
- What safety precautions should be followed when diagnosing malfunctions in the HVAC system?