(10 Common) Masterbuilt 800 Issues (With Her Fixes)

Struggling with your Masterbuilt 800? You’re not alone! From temperature inconsistencies to fan issues, many users face common Masterbuilt 800 problems. 

But don’t worry we’ve got you covered. 

In this guide, we’ll break down 10 common Masterbuilt 800 issues and their simple fixes, so you can get back to enjoying your grill without the hassle.

Masterbuilt 800 Issues (Short Overview)

The Masterbuilt 800 can face problems like temperature swings, fan malfunctions, or grease buildup. 

These issues might seem annoying, but they’re usually easy to fix with quick steps like cleaning, resetting, or checking parts. 

Don’t stress, most problems can be solved in minutes to keep your grill running smoothly!

Read 10 Common Issues & Fixes With Details…

1. Temperature Swings 

One common issue with the Masterbuilt 800 is temperature swings, which can make it hard to cook food evenly. 

This happens when the grill struggles to maintain a steady heat, causing fluctuations during use. 

Causes 

Temperature swings can be caused by faulty temperature probes, improper sealing, or issues with airflow. 

Fixes 

To fix this, check and clean the temperature probe regularly, ensure the grill is properly sealed, and make sure vents are clear for proper airflow. 

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2. Fan Malfunction 

One common problem with the Masterbuilt 800 is fan malfunction, which can affect the grill’s performance and temperature control. 

A faulty or non-working fan may cause uneven heating or difficulty maintaining the desired temperature, ruining your cooking experience.

Causes of Fan Malfunction 

• Dirt or grease buildup blocking the fan. 

• Faulty wiring or loose connections. 

• A broken or worn-out fan motor. 

Fixes for Fan Malfunction 

• Clean the fan to remove any dirt or debris. 

• Check and secure all wiring connections. 

• Replace the fan motor if necessary. 

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3. Grease Buildup 

One common problem with the Masterbuilt 800 is grease buildup, which can affect performance and safety. 

Over time, excess grease can collect inside the grill, leading to flare-ups, uneven cooking, and even a messy cleanup. 

This issue is often caused by improper cleaning or cooking fatty foods without managing drippings.

Causes of Grease Buildup 

• Cooking greasy or fatty foods regularly. 

• Not cleaning grease trays or internal components after use. 

Fixes for Grease Buildup 

• Clean the grease tray and grates after every cook. 

• Use drip pans to catch excess grease. 

• Perform a deep clean of the grill regularly to prevent buildup. 

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4. Startup Problems 

These issues can stop your grill from igniting properly or heating up as expected. Thankfully, most of these problems are easy to fix with a little troubleshooting. 

Below, we’ll break down the common causes and simple fixes to get your Masterbuilt 800 running smoothly again. 

Causes 

• Misaligned parts or improper assembly 

• Blocked grease trays or burners 

• Build-up of ash or debris in the grill 

Fixes 

• Double-check the assembly instructions to ensure proper setup. 

• Clean the grease tray and burners regularly to prevent blockages. 

• Remove ash and debris to allow better airflow and ignition.

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5. Uneven Cooking 

Uneven cooking is a common issue with the Masterbuilt 800 that can lead to frustration, especially when grilling or smoking. 

This problem often occurs due to poor airflow or uneven heat distribution, causing some areas of your food to cook faster than others.

Causes of Uneven Cooking

• Blocked or limited airflow inside the grill. 

• Hot spots caused by uneven heat distribution in the cooking chamber. 

• Improper placement of food on the grill grates.

Fixes for Uneven Cooking

• Ensure vents and air pathways are clear for proper airflow. 

• Preheat the smoker evenly before cooking. 

• Adjust food placement and rotate items for more balanced cooking. 

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6. Hopper Clogging 

A common issue with the Masterbuilt 800 is hopper clogging, which can disrupt the flow of pellets and affect your grill’s performance. 

This happens when pellets get stuck or form clumps inside the hopper, often due to moisture or low-quality pellets. 

Cause 

Hopper clogging is usually caused by moisture exposure, using damp pellets, or poor-quality pellets that break apart easily. 

Fixes 

To fix this, start by emptying the hopper and clearing out any stuck pellets. 

Make sure to use high-quality, dry pellets and store them in a moisture-proof container. Regularly clean the hopper to prevent future clogs.

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7. Ash Accumulation 

Ash buildup is a common issue with the Masterbuilt 800, often caused by extended use without proper cleaning. 

When ash collects in the grill, it can block airflow, reduce overall performance, and even lead to temperature fluctuations during cooking.

Causes:

• Lack of regular cleaning after use 

• Prolonged cooking sessions without clearing ash 

• Poor airflow due to clogged vents 

Fixes:

• Clean out the ashtray after every cook 

• Use a vacuum or brush to remove ash from vents and internal parts 

• Ensure proper ventilation for consistent airflow 

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8. Controller Errors 

One common issue with the Masterbuilt 800 is controller errors, which can lead to problems with temperature regulation or the grill not starting properly. 

These errors are often caused by software glitches, faulty wiring, or power supply issues. 

Causes 

Controller errors might occur due to loose connections, outdated firmware, or environmental factors like moisture affecting the electronics. 

Fixes 

To fix this, check all wiring and connections for damage, update the controller’s firmware, and ensure the grill is stored in a dry, protected area. 

If the problem persists, consider contacting Masterbuilt support for replacement parts or further assistance.

9. Ignition Failure 

One common issue with the Masterbuilt 800 is ignition failure. This happens when the grill struggles to light or doesn’t ignite at all, causing frustration for users eager to start cooking. 

This problem can occur due to several reasons, such as dirty or faulty components or insufficient airflow.

Causes of Ignition Failure 

• Dirty or clogged igniter 

• Faulty fan or wiring 

• Low-quality or damp charcoal 

Fixes for Ignition Failure 

• Clean the igniter and check for dirt or debris. 

• Ensure all wiring connections are secure and inspect the fan for damage. 

• Always use high-quality, dry charcoal for consistent performance. 

10. Smoke Leakage 

Smoke leakage is a common issue faced by Masterbuilt 800 users, where smoke escapes from the grill instead of staying properly contained. 

This can affect cooking performance and flavor, leaving users frustrated. 

The leakage often happens due to loose door seals, gaps, or improper assembly of the smoker.

Causes of Smoke Leakage

• Worn-out or loose door gaskets 

• Improperly assembled components 

• Gaps in the smoker’s structure 

Fixes for Smoke Leakage

• Replace worn-out gaskets with new ones to create a proper seal. 

• Ensure all parts are correctly assembled and tightened. 

• Use high-temperature silicone sealant to close any gaps. 

FAQs

How long is the Masterbuilt warranty? 

The Masterbuilt 800 comes with a 1-year limited warranty covering defects in materials and workmanship. 

What is error 2 on Masterbuilt 800? 

Error 2 indicates a temperature sensor issue, often caused by a faulty sensor or loose connection. 

What is the recall on Masterbuilt electric smokers? 

The recall on Masterbuilt electric smokers involved specific models due to potential fire hazards caused by electrical defects. Check the CPSC website for details.