What happens if the a / C compressor does not engage?
What happens if the a / C compressor does not engage? If the system is fully charged (pressure correct), but the A/C compressor clutch does not engage, the fault is electrical. You're experience as an electrician directed you to first check the basics (fuses), and now it's time to trace the circuit and determine what we lost (power or ground) and where we lost it. Why is the clutch not engaged on my gas compressor? But if the system is low on refrigerant, the clutch will never engage. Some DIYers then hotwire the low pressure switch to force the compressor...