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Siglent SDL1000X/SDL1000X-E Electronic Load

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Johnny B Good:
 I've had mine since 12th January last year and so far I've not seen any sign of trouble. However, I doubt I've clocked up more than 30 hours of run time since then so it's a bit of a worry that mine might start exhibiting the same symptom given a few tens of hours more run time.

 I've got a set of four 100AH 12.8v LiFePo4 batteries that I'm planning on running capacity tests on a pair at a time at 12A which will add another 17 hours or so run time and probably 34 hours if I decide to do a second run. I could land up seeing the same issue by the end of those tests.

 System Info doesn't show total run time, just the number of startup times (51 when I last checked just now).

@Mortymore, Any idea how many hours of run time you'd clocked up before the display went "funny"?

Mortymore:
Hi

I have no idea about the amount of runtime hours. I can only say that in a span of a month or so, it had some regular use testing 7Ah lead acid batteries, with tests set to run for approximately 5h if the battery was in good condition, and most of them were not. I'd say 30h per week. This is a rough estimate of 120h powered on in that month. And lately I've been using it more regularly again because I started to learning Python and I'm trying to develop a program that involves communication with a PSU, 2 DMMs and the Load, so it can be powered on for a few hours a day. That can be just 1 hour, but can be also 5h or 6h straight during the weekend.
Thing is, the SDM3000X DMMs have screensaver option, but the SPD3000 PSU and SDL1000 Load doesn't (understandably), so as long the Load as to stay powered on, the display is on.

Regards
Cesar

Joe1vm:
Hi.
finaly SDL1020X-E has been received today. Interestingly with 1.1.1.23R1, which is not available for download yet....

did:
Hi,
I bought one SDL1020X-E few week ago and I'm facing one very strange issue.
Time to time, when I power up the DC Power load, I have one HW tests check NOK (LOAD FAILED, EEPROM PASSED, ADC FAILED) and the unit is not operational (not possible to read input voltage and set one DC current). In some cases, on top of this HW test check NOK, I have the fan running at maximum speed.
I tried to make the FW Upgrade to latest available version (1.1.1.22R1) and to reset to factory setting but problem remains.
This issue is not systematic and I didn't find so far the trigger to reproduce this misbehavior on purpose. This is a seldom issue, very likely linked to temperature but I didn't find the root cause yet. It seems the occurence is higher when I restart the unit after 1 or 2 days of iniactivity (very cold restart  :D). When the unit is booting without error then the equipment is fully operational.
 Did you see similar issue in the past with this SDL1000 equipment familly ?
I put in attachment pictures corresponding to this problem :  HW tests failures snapshot and the corresponding System Info screen (where you can see the HW ID = 00-00-000).

GnomeZA:

--- Quote from: did on December 22, 2023, 04:26:58 pm ---Hi,
I bought one SDL1020X-E few week ago and I'm facing one very strange issue.
Time to time, when I power up the DC Power load, I have one HW tests check NOK (LOAD FAILED, EEPROM PASSED, ADC FAILED) and the unit is not operational (not possible to read input voltage and set one DC current). In some cases, on top of this HW test check NOK, I have the fan running at maximum speed.
I tried to make the FW Upgrade to latest available version (1.1.1.22R1) and to reset to factory setting but problem remains.
This issue is not systematic and I didn't find so far the trigger to reproduce this misbehavior on purpose. This is a seldom issue, very likely linked to temperature but I didn't find the root cause yet. It seems the occurence is higher when I restart the unit after 1 or 2 days of iniactivity (very cold restart  :D). When the unit is booting without error then the equipment is fully operational.
 Did you see similar issue in the past with this SDL1000 equipment familly ?
I put in attachment pictures corresponding to this problem :  HW tests failures snapshot and the corresponding System Info screen (where you can see the HW ID = 00-00-000).

--- End quote ---

If it is new, isn't it just safer to return it for replacement/repair under warranty.  I mean I know we all like taking things apart and so on, but like if you buy new one of the few rare benefits is you can get it fixed for free.

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