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HP Forums › HP Museum Forums › Old HP Forum Archives v
HP-25

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HP-25


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Wayne Selway Offline
Unregistered
Posts: 1
Threads: 1
Joined: Nov 2013
#3
11-22-2013, 12:25 PM

I have an HP-25 that displays an "E" when powered up. Any way to fix?

Thank You
Wayne

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▼
Michael de Estrada Offline
Unregistered
Posts: 1,665
Threads: 142
Joined: Jan 2009
#4
11-22-2013, 12:58 PM

Well, you need to provide a bit more information, but most likely you've fried a chip in it, so it's essentially unfixable from a practical standpoint. Normally, this occurs from using the AC adapter w/o a good battery inside or poor contact with the battery. Does it respond to the keyboard and if so what are you seeing on the display ? An E by itself means nothing, but it will display Error when an error condition occurs, such as division by zero.

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