--- title: "Quad V2 Infrared Module Troubleshooting Guide" slug: "quad-v2-infrared-module-troubleshooting-guide" updated: 2026-09-01T08:57:05Z published: 2026-09-01T08:57:05Z canonical: "support.kiosoft.com/quad-v2-infrared-module-troubleshooting-guide" stale: true --- > ## Documentation Index > Fetch the complete documentation index at: https://support.kiosoft.com/llms.txt > Use this file to discover all available pages before exploring further. # Quad V2 Infrared Module Troubleshooting Guide # Device Information Device Name: Switch Detection Module Part Number: PP10W029 # Troubleshooting Steps 1. After the machine is properly powered on, open the front door and place your hand in the middle of the light eye as shown in the figure. ![](https://cdn.document360.io/43d8b414-8496-484c-a971-494dc8473827/Images/Documentation/image-Z30LR376.png?sv=2026-02-06&spr=https&st=2026-10-31T12%3A03%3A15Z&se=2026-10-31T13%3A03%3A15Z&sr=c&sp=r&sig=ygcAPAYBcDZlMVZzUBAWSXTqeOCj%2Biqx1d3BI3ZvcdE%3D) 1. Once your hand is in place, the indicator light at the location shown by the arrow in the figure will change from green to red. ![](https://cdn.document360.io/43d8b414-8496-484c-a971-494dc8473827/Images/Documentation/image-6ZYBN8F3.png?sv=2026-02-06&spr=https&st=2026-10-31T12%3A03%3A15Z&se=2026-10-31T13%3A03%3A15Z&sr=c&sp=r&sig=ygcAPAYBcDZlMVZzUBAWSXTqeOCj%2Biqx1d3BI3ZvcdE%3D) 1. Keep your hand in place and observe the location indicated by the arrow in the figure below – a red indicator light should come on. If it does not light up, check the wiring to the module. If the wiring is correct, the module can be diagnosed as faulty. ![](https://cdn.document360.io/43d8b414-8496-484c-a971-494dc8473827/Images/Documentation/image-7J7OBE9Q.png?sv=2026-02-06&spr=https&st=2026-10-31T12%3A03%3A15Z&se=2026-10-31T13%3A03%3A15Z&sr=c&sp=r&sig=ygcAPAYBcDZlMVZzUBAWSXTqeOCj%2Biqx1d3BI3ZvcdE%3D)