Question about Sentry Fireproof Safe

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My sentry safe will not open after entering the code it reads "err"

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You have to press the program / enter button after you enter the code How to open electronic sentry safes.
Locksmith opening instructions manual for sentry fireproof electronic security safes. Insert the tubular sentry key into the lock to the left of the key pad. Turn the key all the way to the right until the plunger pops out. Press the five-digit factory code. The green Proceed light will come on. Pull the handle down; to crack the sentry door open

Posted on Sep 18, 2010

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How do I change the combination on SENPL048E sentry portable security safe


Open your Sentry safe by typing the five-digit factory code (found in your owner's manual) on the keypad. It's always a good idea to change your combination while the safe is open, so that you don't inadvertently lock yourself out.
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    http://callitout.com/quotes/index.php/kick-it-to-the-curb/55/sentry-fire-safe-wont-open-its-broken/

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