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239631 - Miller 239631 Motor Filter HF PC Board

Packaging: 1 PER EA
$5,939.83/EA $3,883.74/1 PER EA only $3,883.74/EASave 35%

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OVERVIEW

Genuine Miller 239631 Circuit Card Assembly

Maintain the integrity and performance of your premium welding equipment with the Miller 239631 Circuit Card Assembly, Motor Filter HF. This is a genuine Original Equipment Manufacturer (OEM) component, manufactured directly by Miller Electric to the exact specifications required for their advanced power sources. When it comes to repairing sophisticated inverter machines like the Dynasty or Maxstar series, using authentic parts is non-negotiable for ensuring safety and longevity.

The "Motor Filter HF" designation indicates the critical role this board plays in your machine's electrical ecosystem. High-Frequency (HF) start is a staple feature in TIG welding, allowing for non-contact arc initiation. However, the high-voltage, high-frequency energy generated during this process can create significant electrical noise. This circuit card acts as a specialized filter, protecting the machine's internal motors—such as cooling fans or wire drive mechanisms—from this interference. Without a functioning filter board, your machine may experience erratic motor speeds, cooling failures, or even damage to other sensitive control logic boards.

At Josef Gas, we understand that downtime is costly. That is why we supply genuine Miller replacement parts that offer a guaranteed fit and function. This circuit board arrives ready for installation, designed to interface perfectly with your existing wiring harness without the need for modification. By choosing the Miller 239631, you are investing in the continued reliability of your welding assets, ensuring they perform as flawlessly as the day they left the factory.

Whether you are performing routine maintenance or troubleshooting a specific fault code related to motor control or HF interference, this board is the correct solution for compatible Miller power sources. Trust in OEM quality to keep your shop running smoothly.

Additional Information
Packaging Description:1 Per Ea
Part Type:Circuit Card Assembly, Motor Filter HF
Compatible Equipment:Miller Dynasty Series, Miller Maxstar Series
Function:High Frequency Filtering, Motor Circuit Protection
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Part Type:Circuit Card Assembly, Motor Filter HF
Compatible Equipment:Miller Dynasty Series, Miller Maxstar Series
Function:High Frequency Filtering, Motor Circuit Protection
Brand:miller-oem
Packaging Description:1-per-ea

INCLUDED

  • 1 x Circuit Card Assembly, Motor Filter HF (239631)
  • Anti-static packaging

APPLICATIONS

  • Repair of Miller Dynasty series TIG welders
  • Repair of Miller Maxstar series TIG/Stick welders
  • Replacement of damaged or burnt motor filter boards
  • Troubleshooting internal motor control issues in welding power sources
  • Maintenance of industrial inverter welding machines

FAQ

The Miller 239631 is a Motor Filter HF circuit card. Its primary function is to filter out high-frequency electrical noise generated during welding (specifically HF start) to protect the machine's internal motors and control circuits.

Yes, this is a genuine Miller OEM part, ensuring exact compatibility and performance with your Miller equipment.

This board is commonly used in Miller inverter machines such as the Dynasty 280 and Maxstar 280 series. Always check your machine's parts manual to confirm the specific part number required.

Symptoms may include erratic fan operation, internal communication errors, or issues with the machine's high-frequency start function affecting other components.

While the board is a plug-and-play replacement, working on the internals of a welding power source involves high voltage. It is recommended that installation be performed by a qualified technician.

Genuine Miller replacement parts typically carry a warranty against manufacturing defects. Please consult the specific warranty policy for replacement parts.

High Frequency (HF) is used to start TIG arcs without touching the tungsten. This high-voltage spark creates electrical noise that can damage sensitive electronics or disrupt motors if not properly filtered.