Electronics > Beginners
HP 3457A Error Address 15
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sairfan1:
Hi I bought used HP 3457A from ebay when i first time turned it on it displayed "Address 15" on screen and beep once, after that it displayed its normal display where i can measure voltage i did not test anything else, however i turned it off and on again at least 5 times and it does same.

I want to know is this error message is something i should be worried about?
What other test i should do to understand if its working reasonable good (hobbyist here don't expect a lot  ;D)
oPossum:
It is telling you what it's GPIB address is. That is normal, not an error.
ArthurDent:
You should download the free 369 page operating manual from https://wiki.hive13.org/images/1/1c/HP_3457A_operating_manual.pdf and maybe the 273 page service manual in PDF format from https://doc.xdevs.com/doc/HP_Agilent_Keysight/HP%203457A%20Service.pdf

On page 2-2 of the operating manual and on page 2-4 , section 2-22 , of the service manual it verifies what oPossum just posted about GPIB address.
sairfan1:
One more question, I learned from different sources, first thing to do with these multi meters is check battery, when i check battery of mine its showing 3.4v and i believe its good,

i want to know after how long should i check it again? or Is there any indicator that alerts battery replace is needed
if i leave it un-powered for long time, does it impact battery charge?
ArthurDent:
The first thing you should do is check to see if it has the usual Schaffner IEC line filter that has an almost 100% failure rate over time. The caps inside explode and make a mess that is hard to clean up.

Don't change the battery unless you understand the procedure otherwise you will lose calibration information.

https://xdevs.com/doc/Fluke/8842A/img/paffner_1.jpg
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