260544 - Miller 260544 Control Board Assembly 230/460V

Genuine Miller 260544 Circuit Card Assembly

The Miller 260544 Circuit Card Assembly is a critical replacement component designed for specific Miller welding power sources operating on 230/460V input power. As the central nervous system of your welding machine, the control board manages essential functions, including arc stability, output parameters, and user interface logic. When a control board fails, it can render your equipment inoperable or cause erratic welding performance that compromises weld quality. This genuine OEM part ensures that your machine is restored to its original factory specifications, maintaining the reliability and precision you expect from Miller Electric equipment.

Important Fitment Verification

Please Note: Electronic replacement parts for welding machines are highly specific. The Miller 260544 is pre-programmed for specific machine configurations. Before purchasing, it is mandatory to verify fitment using your machine's unique serial number. We strongly recommend contacting Miller Electric Technical Support at (800) 558-3517 with your serial number ready to confirm that part number 260544 is the correct revision for your specific unit. Installing an incorrect circuit board can lead to further machine damage and is not covered under warranty.

Installation and Warranty Policy

Due to the sensitive nature of electronic components, this item is non-returnable. Once the package is opened or the board is installed, it cannot be returned for credit. If you are not a Certified Miller Technician, we advise taking this part and your machine to a certified service center for diagnosis and installation. Professional installation ensures that the underlying cause of the original board failure has been addressed (such as a short circuit or power surge) before the new board is powered up. This protects your investment and ensures the longevity of the repair.

Why Choose OEM Parts?

Using genuine Miller replacement parts like the 260544 Circuit Card Assembly guarantees compatibility. Aftermarket or repaired boards may not have the correct firmware or component tolerances required for 230/460V operation. By choosing the authentic Miller part, you ensure safety, compliance, and optimal performance for your industrial welding equipment.