Failed Component Identification (2024)

1. Power OFF your cooking device.
2. Unplug your cooking device from the wall.
3. Wait 5 minutes, plug it back in.
4. Your controller is reset - check to see if the problem persists.

• Power OFF your cooking device.
• Your temperature sensor may not be plugged in correctly, or it is dirty.
• Remove the temperature sensor, clean the plug with a cloth, reconnect.

• Power OFF your cooking device. Make sure your device is not hot.
• Check all of the wire connections for visual damage. Check the fan, controller, doors, lids, and switch connections.
• Confirm the wires are connected properly and correctly. Refer to your product manual for more details.
• Check the controller for visual damage or water penetration. Water can damage your controller.
• Check the fan for visual damage. Are there any cracks or damages in the fan or fan housing?
• Check for debris in fan. You may need to remove the fan cover to remove any debris that has gotten into the fan.To remove the fan cover, remove the 4 screws in the corners of the fan shroud.
• Check the switches for visual damage.
• If any components have failed visual inspection, they should be replaced. Contact Masterbuilt Customer Service.

• Make sure the breaker or GFCI is not tripped. Make sure the unit is plugged into the wall.
• If you are using an extension cord, make sure it is an outdoor grounding -type 3- wire cord, marked with the suffix"W" and with the statement, "Suitable for Use with Outdoor Appliances".

• Close all the doors and lids.
• The fan will not run if the hopper lid door is open, the ash door is open, or the lower door on the Digital CharcoalSmoker is open.

1. No, your controller still does not work correctly. Your controller needs to be replaced. ContactMasterbuilt Customer Support. If a new controller does not fix your problem, move to PHASE 2.
2. Yes, your controller now works correctly. Continue reading to further troubleshoot the faultycomponent.

1. Yes, your controller now works correctly. Continue to PHASE 3 to continue troubleshooting the faultycomponent.
2. No, your controller still does not work correctly. Continue to PHASE 4 to continue troubleshooting thefaulty component.

1. No, your controller still does not work correctly, or your fan does not turn ON. Your fan needs to bereplaced. Contact Masterbuilt Customer Support.
2. Yes, your controller now works correctly, or your fan turns ON. Continue to PHASE 4 to continuetroubleshooting the faulty component.

Press the lid / door switch down rapidly 10 times to ensure the contact points are clean and not sticking. Quicklypressing and releasing the switch will help clean the contact points.

Spray a small amount of non-corrosive degreaser into the switch. Again, quickly press the lid / door switch downrapidly 10 times.

1. Yes, your controller now works correctly, and your fan turns ON. Troubleshooting complete.
2. No, your controller does not work correctly, or your fan does not turn ON. Continue to PHASE 5 tocontinue troubleshooting the faulty component.

Grill: Remove the hopper lid switch from the top of the hopper with the 2 screws.

OR

Digital CharcoalSmoker: Remove the top door switch with the 2 screws (the box on the outside of the smoker by the top door latch).

Connect the switch wires to each other temporarily as pictured.

1. Pull back the rubber covers
2. Slide the terminals into one another
3. Cover the temporary connection with one of the rubber covers so no metal is exposed

Note: Do not operate the cooking device with switches wiredas so. This bypasses all safety precautions. This can be verydangerous. These wires can cause damage if they makecontact with metal. Please use extreme caution.

1. No, your fan does not turn ON. Continue to STEP 21.
2. Yes, your fan turns ON. Your hopper lid switch (grill), or top door switch (smoker) needs to bereplaced. Contact Masterbuilt Customer Support.

Repeat steps 15 - 19 for lower switches.

Grill: Test the ash door switch. You can find the ash door switch on the lower part of yourhopper behind the heat shroud.

OR

Digital Charcoal Smoker: Repeat the steps for the lower door switch.

1. No, your fan does not turn ON. Your electric wire harness kit needs to be replaced. ContactMasterbuilt Customer Service.
2. Yes, your fan turns ON. Your ash door switch (grill) or lower door switch (smoker) needs to bereplaced. Contact Masterbuilt Customer Support.