Repair
Repair Price: $ 444.00
Purchase
CSL Part Number: 4368
Product Overview: The LN-7 GMA Control Board (G-1706-1) is the main control board for Lincoln Electric's LN-7 wire feed welder. It regulates wire feed motor speed, gas solenoid operation, and arc control functions for MIG welding applications. The board features SCR-based motor control, relay switching for protective circuits, and adjustable acceleration settings via DIP switch. It operates on 24VDC control voltage and interfaces with the welder through multiple connectors including J4, which requires jumpers for proper operation in certain configurations.
Category: Welders
Manufacturer: Lincoln Electric
Manufacturer Part Number: G-1706-1
Series: LN-7 Welder
Common Failures
Frequently reported issues for this product include power failures, non-responsive drive motors, and component degradation over time. Problems with relays and capacitors have also been identified as common defects.
Repair Approach
Common repair actions include replacing faulty capacitors and relays. Circuit board adjustments are performed as needed to restore functionality. Missing components necessary for operation may be supplemented or fabricated in-house when feasible.
Testing & Quality
Testing is performed post-repair, involving motor operation tests and simulations using standardized test fixtures. Units are subjected to testing protocols to verify operational capability, including welding modes where applicable. Repairs that meet testing criteria are approved for return to customers.
Service and repair your broken Lincoln Electric part
We can repair your Lincoln Electric model G-1706-1 in our facility. Let our skilled technicians get your Lincoln 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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