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Joshua GonzalezJul 27, 2025
Why does the light fail to operate on my National Microscope?
- LLaura MooreJul 27, 2025
If the light on your National Microscope isn't working, there are several things you can check: * Make sure the batteries are charged; if they're fully discharged, recharge them. * Ensure the rheostat control is turned up enough to increase the light intensity. * Verify the light switch is in the 'on' position. * The LED bulb might be burned out and require replacement. * Also, check if the fuse is blown and replace it if necessary.
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