How Do I Reset My Air Conditioning Unit?

Air conditioning units can sometimes malfunction due to sudden power outages, error codes, or improper cooling. Before calling a professional for AC repair, knowing how to reset your air conditioning unit can be a helpful and cost-saving first step.

This blog post will cover the basic steps to reset an AC unit, provide safety precautions, and highlight situations where professional help is necessary.

Steps to Reset Your Air Conditioning Unit

Safety First

Safety is paramount when working with electrical appliances. Here are some general safety tips:

  • Turn off the Power: Always turn off the power to your unit at the circuit breaker.

  • Wait for Cooldown: Ensure the unit is completely powered down before attempting any resets.

  • Use Protective Gear: Wear gloves and, if possible, use a voltage tester to ensure no residual power.

Locate and Reset the System

Here’s a step-by-step guide on how to reset your air conditioning unit:

  1. Turn off the Unit: Use the thermostat to turn off the unit.

  2. Shut Off Power: Go to the circuit breaker and shut off the power to the AC unit.

  3. Wait: Allow the system to fully power down by waiting a few minutes.

  4. Find the Reset Button: The reset button is usually on the outdoor unit or inside the air handler. Check the unit’s manual for specific locations for window units and split systems.

  5. Press and Hold: Press and hold the reset button for 3-5 seconds.

  6. Restore Power: Turn the power back on at the circuit breaker.

  7. Restart the Unit: Turn the unit back on using the thermostat and check if it operates normally.

Troubleshooting Common Issues

Thermostat Check

Issues with the thermostat can affect your unit’s performance. Here’s how to reset your thermostat:

  • Programmable Thermostats: Remove and reinsert the batteries or use the reset function as per the manual.

  • Non-Programmable Thermostats: Turn it off and on again or remove and reinsert the batteries.

Resetting After a Power Outage

If your unit fails to restart after a power outage, follow these steps:

  • Check Breakers and Fuses: Look for tripped breakers or blown fuses.

  • Inspect the Outdoor Unit: Ensure there are no visible issues and it’s properly connected to the power supply.

  • Perform a Reset: Follow the earlier basic reset steps to restore functionality.

Master Your AC Reset for Optimal Performance

Homeowners and small business owners can save time and money by safely resetting their air conditioning units. This simple troubleshooting step often resolves minor issues without needing professional help.

Nobody deserves the frustration of a malfunctioning AC unit during hot weather, but sometimes, professional help is necessary. At Heritage Air Services, we’ve been helping Maypearl residents with their AC maintenance needs for over 12 years. As your trusted HVAC contractor in Maypearl, TX, we’re here to support you with any complex issues your system might have.


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