Goodman Furnace Not Kicking On: Fix It Now


 

A Goodman furnace is a reliable and efficient heating solution for your home, but like any appliance, it can sometimes encounter issues. If your furnace isn’t kicking on, it can be frustrating, especially during colder weather. Fortunately, many problems can be resolved without the need for an HVAC technician. In this article, we’ll walk you through the most common troubleshooting steps to help get your Goodman furnace back up and running.

Troubleshooting Steps to Get Your Goodman Furnace Working Again

When your Goodman furnace won’t turn on, it can be due to several possible issues. Let's look at some of the most common problems and their fixes.

1. Check Your Thermostat Settings

The first thing that you should do is check your thermostat and set it appropriately. Sometimes, the furnace may not turn on due to the thermostat being in the wrong mode or set at a low temperature.

  • Turn the Mode: Ensure that the thermostat is set to the “Heat” mode and not the “Cool” or “Off” mode.

  • Adjust the Temperature: If the thermostat is set below the current room temperature, the furnace may not activate. To activate the furnace, set it to a higher temperature.

  • Change Batteries: For battery-operated thermostats, dead batteries can cause issues with the furnace’s operation. To check if it fixes the issue, try changing the batteries.

2. Verify Power to the Furnace

If the thermostat is properly adjusted and the furnace will not start, then the furnace may not be receiving electricity.

  • Circuit Breaker: Another reason the furnace could not start on is a tripped circuit breaker. To start, check your electrical panel for a tripped breaker. If necessary, reset it by switching it off and back on.

  • Power Switch: Most furnaces have a dedicated power switch. Make sure the "on" position is selected on this switch.

  • Verify the Outlet: If your furnace is connected to an outlet, confirm that the plug is firmly in place.

3. Inspect the Gas Supply

If the gas supply is cut off, a natural gas or propane furnace will not start.

  • Gas Valve: Make sure the furnace's gas valve is open.

  • Gas Supply: If you have a problem with your gas supply, it is advisable to contact your gas supplier to ensure that there is no interruption in the supply of gas.

If the gas supply is in good condition but the furnace is not starting, the ignition system can be the issue.

4. Check the Flame Sensor

A faulty or dirty flame sensor is a common reason why a furnace might not ignite. One safety feature that determines whether a flame is present after ignition is the flame sensor.

  • Locate the Flame Sensor: It’s typically located near the furnace burners.

  • Clean the Flame Sensor: The flame sensor may get dirty over time, and this may affect its performance. Wipe it with a soft cloth or rub it with fine-grit sandpaper.

  • Replace if Necessary: If cleaning doesn’t solve the problem, the flame sensor may need to be replaced.

5. Reset the Furnace

Sometimes, a small problem that is causing the furnace not to turn on can be solved by a simple reset.

  • Turn Off the Furnace: Use the circuit breaker or power switch to turn off the furnace.

  • Wait for 30 Seconds: Let the furnace rest for a few moments to clear any system errors.

  • Restart the Power: After a delay, restart the furnace and check to see whether it begins.

This can be a solution for electrical problems or just a temporary problem in the system.

6. Examine the Air Filter

A dirty or clogged air filter can cause a lack of air flow, and this can lead to overheating or even a shutdown. For the furnace to operate correctly, the filter should be inspected and changed frequently.

  • Find the Filter: The filter is usually positioned close to the blower section of the furnace.

  • Replace the Filter: If you find that the filter is dirty or blocked, then it is advisable to replace it with a new one. Proper airflow is ensured by a clean air filter, which can also increase the furnace's overall efficiency.

7. Inspect the Blower Motor

If the furnace is on but the air is not warm, then the blower motor could be the issue. The blower motor is responsible for circulating heated air throughout your home.

  • Listen for the Motor: When the furnace is running, listen for the sound of the blower motor. If it does not start or produces some unusual sounds, then it may require some maintenance.

  • Look for Obstructions: Ensure that the motor is not being hindered by any obstructions in the ductwork or blower fan.

  • Capacitor Problem: If the motor is making a humming noise but the rotor is not turning, then the capacitor may be bad and should be replaced.

8. Inspect the Furnace Control Board

If your furnace is not responding to any of the above steps, there could be a problem with the furnace’s control board. The control board, the furnace's central component, regulates a number of its components and functions.

  • Error Codes: Some Goodman furnaces have diagnostic lights that flash error codes. Check for any blinking patterns on the control board or LED indicator and refer to the furnace manual to decode the error.

  • Professional Inspection: A control board that is not functioning properly should be taken to a professional for repair or replacement.

If your Goodman furnace is still not turning on after following the above steps, it is advisable to seek the services of a licensed HVAC technician. Maintenance can be done to avoid future problems and also to increase the lifespan of the furnace. If you find yourself in need of specific Goodman furnace parts near me, it's important to search for trusted HVAC suppliers or authorized Goodman dealers in your area.

Written by Allen Rode for PartsHnC, your trusted source for high-quality HVAC parts, including water heater components, air conditioner parts, and heat pump solutions.





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