Defective 2 Pieces Secondhand Weinmann WM39900C Mechanical Ventilator Power Board

Objective AI Report

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Report date: 11.09.2025

Weinmann WM 39906 Electronic Board Analysis Report

Overview and Product Description

The images show two electronic circuit boards belonging to the Weinmann brand. The “WM 39906” inscription on the boards indicates the model or part number of these products. These boards are typically main components that control the functions of medical devices, especially respiratory devices. The products are displayed on a clean and organized surface and are generally observed to be in good condition.

Physical Condition and Deformation Analysis

A detailed visual inspection revealed that both electronic boards are in very good physical condition. There are no cracks, breaks, dents, or significant scratches on them. The solder points are bright and retain their factory-fresh appearance. No stains, discoloration, or signs of liquid contact or corrosion were found on the surface of the boards or on the components. Overall, the boards appear new, either unused or very lightly used.

Components and Technical Details

The electronic boards house numerous components such as various integrated circuits, capacitors, resistors, and connectors. The structural integrity of the boards is complete, and no missing components have been observed.

• Brand: Weinmann
• Model/Part Number: WM 39906
• Quantity: A total of 2 electronic boards are present in the images.
• Connection Cables: Each board has cables that allow connection to other parts of the system, and these cables have red and white colored sockets at their ends. The condition of the cables and sockets is good; there are no crimps or breaks.

Label and Code Information

Labels and prints placed on the boards for manufacturing and identification purposes are present. This information is listed below:

• Main Part Number: The “WM 39906” code is clearly legible on both boards.
• Other Codes: The bottom board has the codes “WM 39906 / 38215” and “180611803(n)”.
• Chip Information: The main processor chips on the boards show “WM 39906” and on one of them, “3.13.0” is additionally visible, which likely indicates a software version.

Potential Failure Risk and Conclusion

Based on visual evidence, no condition indicating a potential failure risk (such as rust, wear, cable damage, etc.) has been observed on the boards. The physical condition of the boards is very high, which gives a positive impression that they will function without issues. The products have a technically clean and robust structure and show no signs of malfunction.