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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 LED Not Working

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T O P I C    R E V I E W
rfinger Posted - 06/24/2021 : 12:14:18
The EMF-390 appears to be working except the LED is dead. I have tried a factory reset and the LED is on in the setup. LED does not glow on power up.

Any ideas before it is returned as defective?
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EmfDev Posted - 06/24/2021 : 12:26:10
Hi rfinger, are both red and green colors not working? It is unfortunate, you can try opening the case and moving the led a little bit or check if it is soldered good. But if still does not work then it will need to be exchanged.

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