Uploaded July 2026 | Updated September 2026, 1 hour ago
Installing a new OptX ™ system and wondering why the interlock light isn't turning on? In this video, we explain when the light activates and show how to verify your external interlocks are wired correctly using the red pilot laser.
What You’ll See
• How the OptX™ interlock light functions during setup
• Why external interlocks alone do not turn the light on
• What trigger interlock and continuity have to do with the indicator
• How to use the red pilot laser to check external interlocks
• What happens when external interlocks are broken or reestablished
• Where to go for more information
Who This Helps
This video is for welding equipment installers, technicians, and teams setting up a new OptX™ system and checking external interlock wiring.
Chapters
00:00 Common OptX™ Setup Question
00:08 Installing a New OptX™ System
00:15 Interlock Light Expectations
00:23 When the Interlock Light Turns On
00:31 Trigger Interlock and Continuity
00:40 Checking External Interlocks
00:48 Broken External Interlocks
00:53 Reestablished External Interlocks
00:58 Confirming Correct Wiring
01:06 More Information
For more information, visit millerwelds.com or contact your local welding equipment supplier.
#millerwelders #OptX #WeldingAutomation #LaserWelding #Interlocks
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LinkedIn: bit.ly/MillerWeldersLinkedIn
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ABOUT Miller Electric Mfg. LLC:
Miller Electric Mfg. LLC is a leading worldwide manufacturer of Miller® brand arc welding and cutting products. The Miller Welders channel provides the tips and techniques you need to tackle even the most challenging applications and shares the stories of welders around the world who believe that together, WE BUILD™.
© 2025 Miller Electric Mfg. LLC. All rights reserved.
youtube.com/MillerWelders
Installing a new OptX ™ system and wondering why the interlock light isn't turning on? In this video, we explain when the light activates and show how to verify your external interlocks are wired correctly using the red pilot laser.
What You’ll See
• How the OptX™ interlock light functions during setup
• Why external interlocks alone do not turn the light on
• What trigger interlock and continuity have to do with the indicator
• How to use the red pilot laser to check external interlocks
• What happens when external interlocks are broken or reestablished
• Where to go for more information
Who This Helps
This video is for welding equipment installers, technicians, and teams setting up a new OptX™ system and checking external interlock wiring.
Chapters
00:00 Common OptX™ Setup Question
00:08 Installing a New OptX™ System
00:15 Interlock Light Expectations
00:23 When the Interlock Light Turns On
00:31 Trigger Interlock and Continuity
00:40 Checking External Interlocks
00:48 Broken External Interlocks
00:53 Reestablished External Interlocks
00:58 Confirming Correct Wiring
01:06 More Information
For more information, visit millerwelds.com or contact your local welding equipment supplier.
#millerwelders #OptX #WeldingAutomation #LaserWelding #Interlocks
---------------------------------------------------------------
SUBSCRIBE to Miller Welders on YouTube: bit.ly/MillerWeldersSubscribe
CONNECT with Miller Welders:
Website: bit.ly/MillerWelds
Miller Forums: bit.ly/MillerWeldersForums
Facebook: bit.ly/MillerWeldersFacebook
Instagram: bit.ly/MillerWeldersInstagram
X: https://x.com/millerwelders
LinkedIn: bit.ly/MillerWeldersLinkedIn
TikTok: bit.ly/MillerWeldersTikTok
ABOUT Miller Electric Mfg. LLC:
Miller Electric Mfg. LLC is a leading worldwide manufacturer of Miller® brand arc welding and cutting products. The Miller Welders channel provides the tips and techniques you need to tackle even the most challenging applications and shares the stories of welders around the world who believe that together, WE BUILD™.
© 2025 Miller Electric Mfg. LLC. All rights reserved.
youtube.com/MillerWelders
