Electronics > Repair
Fluke PM6666 counter freezing after 3 seconds from turning on.
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0xdeadbeef:

--- Quote from: pizzigri on November 01, 2020, 11:06:21 pm ---May I also add that, differently from 0xdeadbeef, my PM6666 never showed (and still doesnt show) any freezing or problems of any kind as long as the GPIB card is removed from it.

--- End quote ---
Why would you say this? I never removed the GPIB card. At the moment my counter starts most of the time anyway, so removing the GPIB card would just be my last option if it should freeze all the time at some point.
pizzigri:

--- Quote from: 0xdeadbeef on November 01, 2020, 11:40:49 pm ---
--- Quote from: pizzigri on November 01, 2020, 11:06:21 pm ---May I also add that, differently from 0xdeadbeef, my PM6666 never showed (and still doesnt show) any freezing or problems of any kind as long as the GPIB card is removed from it.

--- End quote ---
Why would you say this? I never removed the GPIB card. At the moment my counter starts most of the time anyway, so removing the GPIB card would just be my last option if it should freeze all the time at some point.

--- End quote ---


Because my Pm6666 never starts up if I leave the GPIB card installed inside - it just does not work. Yours at least still works most of the time, so there is no need to remove the GPIB card. You see, differently from you, removing the card WAS MY last option....
I admit the phrase was not clear.
Xgentec Jason:
Well now you lot have gone and done it.
I get caught up in reading every thread in this subject and now I have gone and bought the Fluke Pm6666 with Pm9604 for testing.  :-BROKE  :palm:

The Fluke meter just arrived. Tested frequency calibration and it is spot on but further function testing tonight.
Engineer1:
Hi,

Apologies for the archaelogy. I just read this thread with interest. I have the same PM6666. It had very similar behaviour, but after a few power cycles it would always come good. I haven't used it for probably about a year. Sadly now it fails at about the 3s point every time. This makes me feel it's an age related problem.

Thank you OP for the GPIB board discovery. I disconnected mine and now the unit is fine. I don't use GPIB anyway, so it's no great hardship. But, probably like the rest of you, it doesn't feel nice knowing the unit is compromised! Did you ever get the bottom of the problem?

Maybe one day I will have a poke about inside it myself to see if I can discover anything useful. Although the diagnostics carried out by you and others through this thread were pretty comprehensive.

Thanks again.
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