How To Remove Access Panel On Carrier Furnace

How To Remove Access Panel On Carrier Furnace

Ensuring the proper maintenance of your Carrier furnace involves conducting routine spot checks and gaining secure access to the control panel door. The process to Remove Access Panel On Carrier Furnace access panels and doors, a crucial step in this maintenance, varies depending on the model of the Carrier furnace system. Through extensive research on access panels, we have uncovered the key steps below.

The method of securing access panels typically hinges on the specific Carrier furnace model. Some panels may be affixed with screws to the enclosure. In either case, gently sliding the access panels forward usually facilitates easy removal. Before interacting with the furnace, it is imperative to turn off the power at the main power box.

Now, let’s delve into important details for your understanding. We will guide you through locating and extracting the Carrier Furnace filter, offering simple instructions for cleaning and resetting the furnace unit.

Understanding Carrier Furnace Filters:

Beyond the primary access panel, most Carrier furnaces house the air filter near the fan cabinet. The precise location depends on the furnace type, with filters arranged vertically or horizontally based on the air handling unit’s positioning. Occasionally, especially in older models, a filter might be situated on the blower box.

Removing the Carrier Furnace Filter:

Regular maintenance of the air filter is crucial for the overall efficiency of your Carrier furnace. Failure to remove and clean the filter may compromise heating performance. Here are the steps for safely removing the furnace filter:

1. Turn off the power to the furnace unit.
2. Remove the panel or door from the fan compartment, loosening screws if necessary.
3. Push the old filter firmly to take it out of the housing.
4. Replace the old filter with a new one, aligning it with the arrow’s position.
5. Gently reinstall the access panel in the cabinet.
6. Switch the furnace unit’s power to the “ON” position.

This process should be repeated every 2-3 months for optimal performance.

Cleaning Washable Furnace Filters:

Routine maintenance is essential for all components of your furnace, including filters. Neglecting filter cleaning can lead to problems. Here’s how to properly clean your washable furnace filter:

1. Turn off the furnace and thermostats.
2. Remove the filter as outlined above.
3. Choose an appropriate location for cleaning.
4. Spray the filter with a garden hose, cleaning both sides with a microfiber cloth.
5. Let the filter drain excess water by placing it on its side for a few minutes.
6. Once dry, slide the filter back into the mounting housing following the airflow arrows.
7. Reconnect the furnace system’s power and reset the thermostat.

Resetting the Carrier Furnace:

After any maintenance or inspection, resetting the furnace is essential. The carrier furnace system incorporates a flameout safety mechanism that requires a reset to restore proper operation. Here’s how you can reset your Carrier furnace:

1. Turn the furnace unit’s control box to “off.”
2. Disconnect the furnace unit and the main gas supply.
3. Slide the burner access door forward to remove it.
4. Locate and press the flame rollout button, holding it until a sound is heard.
5. Allow the furnace system approximately 30 minutes to complete the reset.
6. Replace the access door and turn on the electrical box safely.
7. Don’t forget to turn the furnace’s gas supply to “ON.”

Cleaning the Carrier Furnace Blower:

Proper cleaning of the furnace fan is crucial for enhancing heating and central air conditioning performance. Both heating and cooling systems utilize the same blower/fan. If you have the necessary knowledge, you can disassemble the blower components for inspection and cleaning, using a vacuum cleaner or a soft brush.

Cleaning the Flame Sensor and Coils:

The flame sensor is a critical component for safe furnace operation, located on top of the burner assembly. Cleaning involves delicately wiping the sensor’s surface with sandpaper. Additionally, cleaning the furnace coil, or evaporator coil, contributes to maintaining energy efficiency and overall heating or cooling performance.


Understanding how to safely remove a Carrier furnace access panel is a fundamental step in maintaining critical components within the cabinet. Regular maintenance improves heating performance and helps avoid premature system failures. We trust that this information proves valuable in ensuring the longevity and efficiency of your Carrier furnace system.

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About the author


I am Ben , a seasoned HVAC specialist with over 6 of experience in the HVAC industry. I holds HVAC Certification and has a proven track record in providing expert advice on HVAC systems.