If you have been receiving Miller welder error codes, then you should take some time to investigate the problem. Luckily, there are some simple ways to diagnose the error and fix it. The first thing you should check is whether the T1 connector has come loose. If this is the case, you need to tighten or replace the connection to correct the problem.
Checking for loose connection T1 to PC1 on welder
If your Miller welder is not welding properly, you can troubleshoot the problem by checking the cable and connections. Be sure to check the cable for loose connections, as any exposed copper strands can be live and conductive while welding. To protect the cable, always inspect it daily. If it is loose, replace it as soon as possible. Also, check to make sure your Miller welder is compatible with the latest software.
Lastly, check to make sure your power connection is tight. A loose connection can reduce your welding performance, and can even cause your gun to prematurely fail. You can check each component of your miller welder several times during the day to ensure they are not damaged.
If your welding arc is not sparking, it could be because the connection points are dirty. The bare metal of your workpiece and the connection point on your work lead clamp must be clean before you start welding. Clean these connections with a clean cloth before you start welding.