I just bought a new Rig You don't have permission to edit metadata of this video. Edit media Dimensions x Small Medium Large Custom Subject (required) Brief Description Tags (separated by comma) Video visibility in search results Visible Hidden Parent content New Rigol dho804 oscillocope Poster Upload Preview Ok Cancel ol Dho804 Oscilloscope, but there is a problem, I connect the attached power supply to the 220 v power source and turn it on but the display stays black and no boot to the operating system, What should I do?

New Rigol dho804 oscillocope

I just bought a new Rig

ol Dho804 Oscilloscope, but there is a problem, I connect the attached power supply to the 220 v power source and turn it on but the display stays black and no boot to the operating system, What should I do?

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michaelkellett 4 months ago in reply to geralds +3

I'll try to get round to a mini road test of the DHO924 in a couple of weeks. MK
dougw 4 months ago +2

Check the power supply - is it providing the right voltage to the main controller card?
cstanton 4 months ago in reply to ahmedfotoh +2

Was this the original power supply you received with the device? If not, have you looked at the manual/datasheet for the oscilloscope to see what voltage and amps it requires from the power supply?

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anniel747 4 months ago

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0 ahmedfotoh 4 months ago in reply to anniel747

I use the power adaptor provided in the accessories box and I connect it to the AC power source (220 V, 50 Hz ).
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0 ahmedfotoh 4 months ago in reply to michaelkellett

This one

Do you know how to ubdate scope firmware, I download the file from Rigol site "" rel="noopener noreferrer nofollow" target="_blank" data-e14adj="t">supportint.rigol.com/.../software-firmware-download.html"
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0 michaelkellett 4 months ago in reply to ahmedfotoh

It looks to me as if the scope must be working to update the firmware - you put the new code on a USB stick, plug into the scope and open the file. Which means you need to have it working well enough to work the disk management functions.

There is a .pdf file (which may have cold boot instructions) at the link you gave me but it won't let me look at it (no password) but you might be able to look.

There are some more ideas here:

www.eevblog.com/.../

MK
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anniel747 4 months ago in reply to Andrew J

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0 Andrew J 4 months ago in reply to anniel747

Nope. He has a 15V 3A PD supply (so could supply different voltages) but the manual he is reading says he needs 12V 4A.
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0 anniel747 4 months ago in reply to ahmedfotoh

.
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anniel747 4 months ago in reply to Andrew J

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0 Andrew J 4 months ago in reply to anniel747

Yes, sorry, you are right, it does both. The scope manual he is referring to says it needs 4A at 12V; a newer version of the manual says the scope needs 3A at 15V. Either way, 12V/3A is not the right supply power.
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anniel747 4 months ago in reply to Andrew J

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0 Andrew J 4 months ago in reply to anniel747

Yeh....especially during the startup tests which might explain why it gets so far and then restarts. It's quite a slow startup machine from what I can see.
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0 anniel747 4 months ago in reply to Andrew J

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0 anniel747 4 months ago in reply to Andrew J

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