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problem with Hantek 2C42

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Post time 2020-11-23 16:44:10 | Show all posts |Read mode

Customer Consultation


I bought a Hantek 2C42 on amazon with the seller ? Direwolf-FR ? .
I have a problem with it so I write a mail to Direwolf-FR and they said me to write a mail directly to you.
So I explain my problem.
When I want to check a Ac V for example (230 volt AC) It’s write OL (Over Limit), it work perfectly with the DC V but not with the AC V.
See on the picture :
I try to make a update with the software on your website but it’s the same.
Thanks for your Help.

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Please check if there are burnt components in the marked red box on the motherboard.
If so, please take a picture for me.


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Post time 2020-11-23 18:35:31 From the mobile phone | Show all posts
if you want me to disassemble the device to access the mother card but my product is still under warranty, can I still do it? thank you

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 Author| Post time 2020-11-24 09:35:51 | Show all posts
Yes, this does not affect the warranty of your oscilloscope.

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Post time 2020-12-2 15:51:31 | Show all posts
Yes there are components burnts, sure the R1 and R15 and maybe other around ?

What can you do ?
Because my oscilloscope is under warranty.

Thanks a lot

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 Author| Post time 2020-12-4 15:43:36 | Show all posts
From the picture, R14 and R15 should be burned out. Please try to replace the two components.
R15: Resistor-Fixed,1K,1/16W,0.1%,TCR25ppm,R0603
R14: Resistor-Fixed,10K,1/16W,0.1%,TCR25PPM,R0603


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Post time 2020-12-12 18:37:05 | Show all posts
I replace the two components and it's work perfectly.

Thanks a lot !

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Post time 2021-3-8 14:38:19 | Show all posts
Edited by gaby at 2021-3-8 14:39

Acabo de adquuir on osciloscopio hantek 2c42 y estoy teniendo dificultades para utilizarlo, ya que cuendo quiero actualizar el firmware y cuando le doy haga clic en check update me saca del programa, agradeceria si me podría asesorar que.

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