Question about Sentry Fireproof Safe

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Hi, Someone tried ti break in the Sentry combination safe now when we opened it it was very hard but we did,now we cant close it and the wheel wont spin...Any help please.Elaine

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Unfortunetly the lock mechanism may be shot at this point keep in mind that this is a Fire Safe not a Security Safe which are two totally different things. The Fire Safe units are meant to protect primarily against threats from fire so the locks are not as robust as a Security safe would be.

Posted on Apr 11, 2011

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    Juan Torres Apr 11, 2011

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Posted on Jan 02, 2017


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How do I change the safe's combination?

with door open, remove panel on back of door. remove the nut holding the three wheels in place and mark original location and then relocate the pin on back wheel. Reinstall nut. test visually to make sure you know the correct combination and be able to open it without watching the wheels in the door before closing and latching it again.

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Combination sentry safe ba-358405

All you have to do is find your owners manual the sentry safe combination was posted in. Unless you locked it the safe as happens all the time. After all that is the safest place for it right. Or you can just call a locksmith service tech with the serial numbers

Dec 20, 2012 | Sentry Fireproof Safe

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I can't open my sentry mso100 safe. I think it. may have been compromised. I'm 99% sure i am using the right combination. Anything I can do?

Hi, well i see this type of thing with safes, frequently here in Fixya, and there is really NO way to do anything, I mean they are a safe and are designed to NOT be defeated. The ONLY thing that I know of to resolve the issue is to contact the manufacturer, and provide proof of ownership, and they will show you how and what to do to open that safe up.

Jul 31, 2011 | Sentry Fireproof Safe

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How to unlock sentry safe model s3110


If you have lost the combination , the only way to unlock the safe is either breaking it , or getting a master combination from Sentry. Below the detailed instructions.

Please follow the instructions detailed in this link.



Nov 19, 2010 | Sentry Fireproof Safe

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I have the right combo and key..following the manual wont open..any help?


As a I know... the only help you can get is to ask for some technical experts to do the hands-on on breaking in your safe using a power tool..

I'm sorry for that!!!!

But I read a story of an owner with the same safe having the same problem like yours and a little trick does for him. This might help you too...

" If you have a safe sentry with a dial-type of combo lock....... try subtracting one from the middle number of the combination that was provided with the safe"

... It works for him...might work for you too....


Nov 11, 2010 | Sentry Fireproof Safe

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How to creeate a new combination for a sentry 1310 valueguard saf

Have a 1310 Sentry Valueguard safe and cannot remember the combination nor can i remember where i put the paper that i once wrote the combination down on....need help!

Aug 01, 2010 | Sentry FIRE-SAFE Combination Safe DS3431,...

1 Answer

I forgot combo'

If you have lost the combination, and the safe is closed, you will need to contact Sentry to get an emergencey access code. Sentry charges $12 to release emergency access code.

Here is the unloack page.

If the safe is open, then you can also try istructions here:Lost combination or keys WARNING

Jun 26, 2009 | Sentry Fireproof Safe

1 Answer

Need to open a Sentry keyless combination safe

First, has the factory combination been changed? Sentry has the code for the factory combination that they can supply you.

If the factory combination has been changed to something else, then Sentry won't have it.

In that case you need to ask Sentry for a 'reset' code combination. There is (at least) one back door to your safe -- a reset code.

The reset code will not tell you what your combination is, it will simply reset the combination to the factory combination.

You can take it from there.

Now, this isn't as hard as it may sound. There is an actual department that handles this at Sentry because you aren't the only one that cannot open his safe.

They'll want some proof of ownership, some $$ for the service, the safe serial number, and probably a notarized form claiming that the safe is yours.

Get 'hold of Sentry on the web and the rest is just process.

BTW -- this is exactly what the locksmith would do.

Apr 10, 2009 | Sentry Fireproof Safe

3 Answers


Yes I agree. Their key lockable products are much much better.

Feb 10, 2009 | Sentry Fireproof Safe

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