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 3. GQ EMF EF Meter RF Spectrum Power Analyzer
 Will Not Power On		  New Topic  Reply to Topic
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jmacbops

USA
1 Posts
Posted - 03/13/2021 :  12:25:36  Show Profile  Reply with Quote
I have owned the GQ EMF-390 for about 15 months. It worked the first couple of times I tried it but now it will not power on. I connected the USB cable and the display says 100% charged. When I hold the S4 button 3 seconds (or longer) the screen lights but remains blank. When I release the S4 button the screen goes dark again. Nothing. Very disappointing for a device the cost this much and was treated gingerly.
Edited by - jmacbops on 03/13/2021 12:26:51
Reply #1

EmfDev

2260 Posts
Posted - 03/15/2021 :  10:28:42  Show Profile  Reply with Quote
Hi jmacbops, did you email support? You should have received reply by now.
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Reply #2

rncglr

USA
1 Posts
Posted - 09/10/2023 :  10:15:13  Show Profile  Reply with Quote
I'm having the same problem - the screen lights up but no output on the screen such as init setup when selecting the s1-4 buttons!
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Reply #3

EmfDev

2260 Posts
Posted - 09/12/2023 :  13:29:11  Show Profile  Reply with Quote
Hi rncglr, please email support for the procedure. You can reattached the LCD wire strip by opening the back case.
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