Hello XXXXXXXX,
Thank you for asking your question on Just Answer.
-Could you explain your situation a little more?
What have you tried to make it turn on?
Is neither the fan or the compressor turning on?
If you stand by the out side unit and someone turns the thermostat to make the unit turn on, do you notice and sound at all?Thank you again for trusting us with your problem.
Please reply as soon as possible so that we can finish answering your question.