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Pushbutton / Indicator Lamp: Lamp Does Not Light Up

FAQ No. FAQ01922

Primary Contents

Question

The lamp does not light up even when Illuminating Type Push Button Switches are pushed.

Answer

Check the following points.

1. Is the polarity of the lamp is connected correctly?

2. Are the lamp's voltage specifications compatible with the applied voltage?

3. Terminals of the LED and the switch are separated and so it is necessary to connect them.

The terminal layout of the A16 is as follows.