Mini Split Air Conditioner - Blogs & Forums On Ductless AC & Heat Pump Systems

Blog Title: air conditioner contactor does not engage

Main Que: My Air conditioner’s contactor will not engage. I am not getting 24 volts to the contactor to make it engage? What could be the problem?

  • Category:
  • Query By: NELLIE WARNER (Venango, LA)
  • Date: 09/24/2014

Answer: Yes, if the contactor is not getting the 24 volts then it could be a time delay relay (if unit is equipped), thermostat problem, transformer, safety control (low refrigerate) or wiring problem. I would suggest checking your connections and testing the controls with a meter.

  • Replied By: JULIO MCKINNEY (Cumberland, NY)
  • Replied Date: 09/29/2014