Key Topics Covered:

• Main causes of compressor failures
• Acid contamination and why “ACID-AWAY” products don’t work
• Proper acid cleanup procedures with filter driers
• Checking refrigerant charge and standing pressure
• Oil return issues and lubrication problems
• Floodback vs. starvation conditions
• Flooded starts and crankcase heaters
• Hard start kits: when they help and when they hurt
• Essential electrical components for replacement during changeout
• Contamination from copper shavings, moisture, and particulates
• Long line set considerations and manufacturer requirements

Critical Diagnosis Steps:

• Static pressure testing
• Acid testing procedures
• Weighing recovered refrigerant
• Inspecting electrical connections
• Evaluating airflow and filter conditions
• Wire damage and high voltage issues