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Frequently Asked Questions

Pushbutton / Indicator Lamp Topic: Lamp Does Not Light Up

 

FAQ No. FAQ001922

 

Question

 

What can be done if a lighted pushbutton switch does not light when it is pressed?

 


Answer


Check the following points:

1. Is the lamp polarity connected correctly?

2. Does the applied voltage meet the lamp voltage specifications?

3. The lamp and switch terminals are separate. Are they both wired?


The terminal layout for the A16 Pushbutton Switch is shown in the following diagram.

 

Lighted SPDT Switches

Lighted DPDT Switches


 

 

Other Pushbutton / Indicator Lamp FAQs

 Does OMRON engrave or print the Legend Plates?

 How much inrush current does a pushbutton switch lamp have?

 What is the difference between illumination only and colored illumination?