DSO1202B "self calibration failed, error: 0x502"

amy

Sir, aside from self correction, is there a problem at work?

amy

ludarabota replied at 2017-11-11 01:37
I think - yes. I tried to measure a 12MHz crystal that is working for sure. At first the measurement ...

Sir, please disconnect any probe or cable to the input connector and do self calibration, is there still the problem?

amy

ludarabota replied at 2017-11-12 17:36
Thank you Amy for your support.
I disconnected all the cables and this time the self-calibration pas ...

Sir, when you test the 1KHz square waveform with x10 probe, is the waveform normal?

amy

ludarabota replied at 2017-11-14 01:16
No, the 1KHz waveform is of the form given in the attached picture - see my last post. It is not rec ...

Sir, sorry, I make a mistake.

Do you have another socilloscope? Please check whether the probe and the 1kHz internal source of the scope are ok. If they are ok, maybe the hardware is fault.

If you don't have anothe scope, please test as following steps.
When you test the 1KHz square waveform with x1 probe, is the waveform normal?
And do the channel2 can get the normal waveform with x1 probe or with x10 probe?
And give me the results.

amy

ludarabota replied at 2017-11-15 16:32
Today I tested with another scope at the office (we have the same model there).
The results are atta ...

Sir, the hardware may be fault, please contact your seller to return factory for repair.

amy

slaveta@inbox.ru replied at 2018-2-3 01:10
Same problem on channel DSO-1062b, with any firmware. The second channel works fine. Also when you s ...

Sir, the hardware should be fault. Please try to contact your seller to return factory for repair.