Author Topic: Agilent 54622A continuous reset problem  (Read 451 times)

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Offline Bobhert1Topic starter

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Agilent 54622A continuous reset problem
« on: March 16, 2025, 08:46:33 pm »
I have a 54622A that goes through the bootup sequence until the relays start to click, then resets.  The serial port is transmitting the startup status, screenshot attached.  Does anyone have any idea why the reset would occur after the message "could not set ch1 gain vernier, gain=0.44"? It doesn't appear to be a software or battery issue, and I reloaded the firmware successfully.  It doesn't seem to be the power supply because I powered it up with a known good supply from another unit and got the same results, just an endless cycle of resets.

Executing startup sequence:
  I/O hardware ... ok
  System services ... ok
  Code    Local build, Oct 23 2003 17:42:33
  Directory: /col/scopes/jediPlus2/projMuskrat
  Instrument id  instType = 0x1, a Muskrat 2 channel, 54622A
  Low level measurement hardware ... ok
  Settling manager ... ok
  Channel driver ... ok
  Trigger driver ... ok
  Display driver ... ok
  Timebase driver ... ok
  Acquisition driver ... ok
  Plot driver ... ok
  System scheduler ... ok
  ADC scanner ... ok
  Battery ... ok
  Real time clock ... ok
  Cal factors and periodic compensation ... ok
  Local user interface ... ok
  Control system ... ok
  OS services ... ok
  OS processes ... ok
  Interrupt service ... ok
  File system ... ok
  Self test initialization ... ok
  Text system ... ok
  User interface enable ... ok
Startup sequence is complete

could not set ch1 gain vernier, gain =  0.44 
(this is where the reset happens and it cycles through over and over)



Thanks
 


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