Electronics > Repair
Fluke PM6666 counter freezing after 3 seconds from turning on.
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shakalnokturn:
Yes sorry my bad it is MTCXO.
Is it only the counters with this option that freeze after 3 seconds?
0xdeadbeef:
Well, from what was concluded in this thread, the MTCXO option doesn't seem to be the issue but the GPIB option.
pizzigri:
My PM6666 had the MTCXO option inside, the PM6669 a standard oscillator. But, I used also an external ref and it froze all the same. It only locks up with the GPIB option.
shakalnokturn:
A little far fetched maybe...
What if the main code jams on an unexpected situation when GPIB is present due to a defect on MTCXO?
I'm thinking of a bad EEPROM or corrupt data, would be curious to know if keeping the temperature sensor well above or below ambient temperature (most accessed compensation values) has any effect.
Ordinaryman1971:
I guess you can easily check it...  Pizzigri has working PM6669... that would be actually interesting... he didn't mention if he moved the oscillator over to the other machine..
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