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Old 05-15-2009, 06:00 AM
denman denman is offline
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Have you tried removing power from the unit for an hour or so, to see if it will reset?

I have tried to find a pinout for the keypad for you but so far have not had any success. You really need that so the keypad can be checked with a meter to confirm that you have a stuck key.

Here is a tech sheet which may be of some use.
https://www.servicematters.com/docs/...%208051291.pdf
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