1. Introduction
This document provides essential information regarding the Qnbes Power Circuit Board Replacement 9907180024. It is designed as a direct replacement part for specific Masterbuilt Digital Electric Smoker models. Please read these instructions carefully before proceeding with installation to ensure proper function and safety.
2. Product Overview
The Qnbes Power Circuit Board Replacement 9907180024 is an internal electronic component responsible for managing power distribution within compatible Masterbuilt Digital Electric Smokers. It is constructed from high-quality, durable materials, including Stainless Steel and Alloy Steel, designed to withstand high-temperature environments and ensure stable, long-term performance.

Image 1: Overview of the Qnbes Power Circuit Board Replacement 9907180024.

Image 2: Close-up views highlighting key components of the circuit board, including connectors and relays, demonstrating high precision manufacturing.
3. Compatibility
This power circuit board (part number 9907180024) is compatible with the following Masterbuilt Digital Electric Smoker models:
- MB20073119
- MB20073919
- MB20074719
- MB20075519
- MB21073219
- MB21074519
- 20070910

Image 3: Visual representation of compatible Masterbuilt Digital Electric Smoker models.
4. Installation Instructions
Follow these steps carefully to install the replacement power circuit board:
- Safety First: Before beginning any installation, ensure the Masterbuilt Digital Electric Smoker is completely unplugged from the power socket. Allow the device to cool down completely if it has been in recent use.
- Access the Existing Board: Locate and carefully open the compartment housing the existing power circuit board in your smoker. This may require removing screws or fasteners.
- Disconnect Wiring: Take clear photos of the existing wiring connections before disconnecting them. Carefully unplug all wires connected to the old circuit board. Note the position and orientation of each connector.
- Remove Old Board: Unscrew or unclip the old circuit board from its mounting.
- Install New Board: Position the new Qnbes Power Circuit Board Replacement 9907180024 in the same location as the old board. Secure it using the original screws or clips.
- Reconnect Wiring: Using your reference photos, carefully reconnect all wires to the new circuit board. Ensure all electrical clip connectors are tightly seated to prevent loose connections.
- Close Compartment: Securely close the compartment housing the circuit board.
- Test Functionality: Plug the smoker back into the power socket and test its operation.
Warning: The edges of the device components may be sharp. Handle with care to avoid injury during installation.

Image 4: The replacement power circuit board shown in proximity to a Masterbuilt Digital Electric Smoker, illustrating its intended application.
5. Operating Instructions
The Qnbes Power Circuit Board Replacement 9907180024 is an internal component of your Masterbuilt Digital Electric Smoker. It does not require direct user operation. Once correctly installed, the smoker's original controls will function as intended, powered by this circuit board.
6. Maintenance
This power circuit board is a sealed electronic component and does not require routine user maintenance. If the board becomes dirty, ensure the smoker is unplugged and cooled before gently wiping the exterior of the board's housing with a dry, soft cloth. Do not use liquids or abrasive cleaners.
7. Troubleshooting
If your Masterbuilt Digital Electric Smoker does not function correctly after installing the new power circuit board, consider the following:
- Power Connection: Ensure the smoker is securely plugged into a working electrical outlet.
- Internal Connections: Re-open the circuit board compartment and verify that all electrical clip connectors are firmly seated. Loose connections can prevent proper operation or cause component failure.
- Component Damage: Inspect the board for any visible signs of damage, such as burnt areas or melted relays, which could indicate an issue with the power supply or other components in the smoker.
8. Specifications
| Specification | Detail |
|---|---|
| Item Model Number | 9907180024 |
| Package Dimensions | 5.7 x 2.95 x 2.16 inches |
| Item Weight | 9.1 ounces |
| Power Source | Electric |
| Outer Material | Stainless Steel / Alloy Steel |
| Fuel Type | Electric |

Image 5: Diagram illustrating the physical dimensions of the power circuit board.
9. Support
If you have any questions regarding the Qnbes Power Circuit Board Replacement 9907180024 or require technical assistance, please contact our customer support team. We are committed to providing professional technical support for our products.