Repair
Repair Price: $ 372.00
Purchase
CSL Part Number: 118434
Product Overview: The SP-150 SCR Control Board (G-1687-1) is a control module for Lincoln Electric SP-150 welding systems. It regulates welding parameters and manages auxiliary functions including gas solenoid control for shielding gas delivery in MIG/TIG welding applications. The board uses SCR-based power control circuitry and features conformal coating for environmental protection. It interfaces with the welder's gas valve solenoid to control argon or other shielding gas flow during welding operations.
Category: Welders
Manufacturer: Lincoln Electric
Manufacturer Part Number: G-1687-1
Also Known As(AKA): SP-150 SCR Control
Include a problem description, what you checked, and a manual with the board.
Common Failures
One of the common issues observed with this product is the failure to release Argon. Although the solenoid may maintain continuity, an overheated power resistor can contribute to this symptom.
Repair Approach
Repairs typically involve removing conformal coating to access and assess the underlying circuits, specifically those controlling the gas valve. The process includes testing the gas solenoid valve circuits and verifying voltage and current draw to ensure proper functionality.
Limited Repair
The Lincoln Electric part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your Lincoln Electric part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
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