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Agilent 34970A errors and battery replacement
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free_electron:
The three beeps on powerup are errors.

At powerup there should be only one short beep. So it looks like the FRAM is shot all right.
plantgrower:
Edit :Now this machine is mostly PASSing how can that be ? Is it possible it really is a faulty lithium battery I have read in the manual that the battery is used at boot and the battery has dropped 0.02v in 24 hours so I think it may well be that? The battery in my machine is a Panasonic BR-2477A/VAN which digikey uk thankfully stock.

 Do these fram chips fail in this fashion I have been unable to find anything or is there another possible reason for the failure ?

I have an oki metcal sp200 iron with a fine chisel tip. I have used it to solder chips this small but that was on a new board.

Is it possible to use some solder wick and iron to remove the chip or do I need a hot air station ?

many thanks for all the help
N0_eq_kTBR:
Thanks.

Watched the 34970A slowly die and set it aside until I could afford a replacement.
As I recall, factory wanted $850 for replacement and a tech rental shop was offering $750 w/ 34902A earlier this year.

Somehow the other day ended up here.
Battery voltage read 0.15V.

Under $10 for new battery from Mouser.

Un-soldering w/Pace station. 
Tip touched round hole next to pin and spark blew all the solder out around terminal. 

Ohmmeter readings show that that hole is connected to the terminal????  Like the + terminal is connected to its close hole.

Judiciously replaced the battery and back in operation.
plantgrower:
Yes my battery has rapidly declined since. Once they start to go they rapidly decline.

I am waiting for my battery from digikey then I will sell it.

If anyone in the UK is interested in a pristine Agilent A34970a 7 years old with DMM and a new battery just installed please contact me.
free_electron:

--- Quote from: N0_eq_kTBR on June 28, 2013, 10:26:32 pm ---Thanks.

Watched the 34970A slowly die and set it aside until I could afford a replacement.
As I recall, factory wanted $850 for replacement and a tech rental shop was offering $750 w/ 34902A earlier this year.

Somehow the other day ended up here.
Battery voltage read 0.15V.

Under $10 for new battery from Mouser.

Un-soldering w/Pace station. 
Tip touched round hole next to pin and spark blew all the solder out around terminal. 

Ohmmeter readings show that that hole is connected to the terminal????  Like the + terminal is connected to its close hole.

Judiciously replaced the battery and back in operation.

--- End quote ---

That spark is because you had a leak. You need to clean the board under the battery ! The battery fluid will eat the traces ...
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