Keyence Safety Troubleshooting & Procedures

Step-by-step procedures

• Keyence GL-R Light Curtain — Lockout & Error Codes — A Keyence GL-R safety light curtain in lockout shows a code on its 7-segment display that points straight at the cause. Learn to read the indicator colors, look up the code, and work through the common causes — ambient light, sync wiring, mutual interference and OSSD faults.