Photoelectric Sensor False Triggering or Missed Detection: Root Causes and Fixes

Name: LUNA Industrial Automation
Address: 1599 Fengpu Avenue, Fengxian District, Shanghai, Shanghai, 201400, CN
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Intermittent sensing on a production line is usually ambient light, reflectivity, or alignment — not a dead sensor. A diagnostic checklist for diffuse, retroreflective and through-beam types. Full symptom, root-cause and fix guide: https://www.lunab2b.com/blog/photoelectric-sensor-false-triggering