hp28s need repair ?. Autotest fails

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hp28s need repair ?. Autotest fails

02-01-2024, 05:42 PM

Post: #2

tlfrance Offline

Junior Member

Posts: 7
Joined: Dec 2023

RE: hp28s need repair . Autotest fails

I've found in owner's manual about repeating test: "A message such as 1 FAIL indicates that the calculator failed the test. The number indicates the nature of the failure."

Where can i find a service document relating to error codes of HP28?

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Messages In This Thread

hp28s need repair ?. Autotest fails - tlfrance - 01-01-2024, 03:22 PM

RE: hp28s need repair . Autotest fails - tlfrance - 02-01-2024 05:42 PM

RE: hp28s need repair ?. Autotest fails - rprosperi - 02-01-2024, 07:41 PM

RE: hp28s need repair ?. Autotest fails - tlfrance - 02-02-2024, 09:47 AM

RE: hp28s need repair ?. Autotest fails - Steve Simpkin - 02-01-2024, 09:45 PM

RE: hp28s need repair ?. Autotest fails - Steve Simpkin - 02-01-2024, 09:49 PM

RE: hp28s need repair ?. Autotest fails - tlfrance - 02-02-2024, 09:53 AM

RE: hp28s need repair ?. Autotest fails - tlfrance - 02-26-2024, 05:41 PM

RE: hp28s need repair ?. Autotest fails - vaklaff - 02-26-2024, 08:04 PM

RE: hp28s need repair ?. Autotest fails - johnb - 02-26-2024, 10:10 PM

RE: hp28s need repair ?. Autotest fails - tlfrance - 03-01-2024, 07:37 PM

RE: hp28s need repair ?. Autotest fails - Rafa - 05-22-2024, 07:00 PM

RE: hp28s need repair ?. Autotest fails - rprosperi - 05-23-2024, 11:37 AM

RE: hp28s need repair ?. Autotest fails - Rafa - 05-30-2024, 06:45 AM

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