Repair
Repair Price: $ 904.00
Purchase
CSL Part Number: 86149
Product Overview: The Welder Interface Board (Miller part number 196915) is a control board used in Miller Syncrowave 350LX and 250 DX TIG welding machines. It manages voltage and current feedback signals, arc initiation control, and microprocessor communication for AC and DC welding operations. This board coordinates welder functions including scratch start detection, power regulation, and operator interface connectivity. It processes analog signals through operational amplifiers and handles multiple connector configurations for integration with the welder's main control system and remote pendants.
Category: Welders
Manufacturer: Miller Electric
Manufacturer Part Number: 196915
Series: Miller Syncrowave 250 DX / 350 LX Welder
Also Known As(AKA): 190728 196254
Common Failures
Issues reported include welders not igniting during scratch tests and intermittent start-up failures. Specific damage has included non-functional DC output while AC remained operational. In some cases, no fault was detected upon inspection.
Repair Approach
Repairs often involve replacing defective or aged components such as capacitors and resistors, as well as performing preventative maintenance tasks. In certain cases, modifications to test fixtures have been necessary to ensure accurate testing.
Testing & Quality
Extensive testing follows repairs, including burn-in testing with loads and functional tests to verify operational status. When no fault is detected post-repair, units are returned as serviceable.
Service and repair your broken Miller Electric part
We can repair your Miller Electric model 196915 in our facility. Let our skilled technicians get your Miller Electric back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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