What Should I Do If My AC Is Clicking But Not Turning On?

If your air conditioner clicks but won’t turn on, start with quick power and thermostat checks, then schedule service if it still won’t start. The most common culprits are a tripped breaker, a thermostat issue, or a failed start component that lets the relay click without the motor running. A rapid series of clicks can hint at a stuck contactor, while one solid click with silence often points to a weak capacitor. Our team handles this problem often across Champaign County and offers 24/7 emergency AC repairs.

Try these safe checks first:

• Set thermostat to Cool/Auto, lower 5°F, replace batteries.
• Verify the AC breaker and outdoor disconnect are ON.
• Wait 5 minutes after any reset before retrying.

If you smell burning, hear rising electrical buzz, or the breaker trips again, stop and book a professional diagnosis to prevent damage.

Updated: 2026-06-30

Need help in Philo, IL? Call 217-247-4108 or book online.