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Sentry 3100 safe_i remember combination but do not remember which way to turn

Hi, i rarely use my safe and now i need my passport and i cant open it. i remember the combination for the lock but have no idea which way to turn the dial

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Re: sentry 3100 safe_i remember combination but do not...

Go around 3 times to the left
stop at the 1st number
go to the left one full time and pass the # but stop at the 2nd #
go to the right and stop at the 3rd # the 1st time you come to it

I just bought one last night

Posted on Sep 13, 2008

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Re: sentry 3100 safe_i remember combination but do not...

Go online or try to find a manual. if not the onl thing to do is go to a locksmith. most locks r turn left,right,left

Posted on Jan 15, 2008

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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

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I have a sentry 3100 safe but forget the combination and cant open it

You will have to contact sentry and give them the details, they will probably ask for proof of purchase as well.


Please dont forget to vote this answer was helpful

Many thanks


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Need factory code for Sentry Safe Model 1610 - know its 5 digits but cant remember - never changed it from factory code but cant find the darn owners manual!

If you need your lost combination, you must send a notarized letter stating you are the owner of the safe. The link below will tell you everything that you will need to get your combination back:

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If you can open the door it's very easy to get the combination. I just put a video on youtube of my s0207 showing how:

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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.

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I do not know the combination number. We have a 3100 sentry Thank you Donna

if it is open already... Take off the plastic inside cover. lock the door "WITH IT OPEN " . turn it several times to the right then watch the inside most slot line up. Write that # down. Turn it to the left past that number and continue on till the middle slot lines up to the inner most slot. Write that # down. Then turn to the right until the outer most slot in the last disk lines up to the other two and write that # down.... Then OPEN the door. Now you put the combination where you wont love it hopefully. This will only work if the safe is locked open. Hope it helps.

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Hi, There is only one way, and that is to send a letter with the serial number to Sentry and if the info matches who is supposed to own it, they will send you the factory default combo to open it. Good Luck!

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Forgot the code for my sentry 3110 safe

3 Digit Combination Lock

  1. NOTE: If your safe DOES NOT have a key, skip Step 3.
  2. Turn the dial to zero.
  3. Insert your key and turn it until the plunger pops out.
  4. Turn the dial to the left (counterclockwise) three times to the first number of the combination (pass the first number of your combination two times, stopping on it the third time).
  5. Turn the dial to the right (clockwise) two times to the second number of the combination (pass your second number once, stopping on it the second time).
  6. Turn the dial to the left to the last number (stop the first time on your last number).
  7. Pull the handle down; the door should open.
If this still does not open the safe, refer to the following page for additional different types of safes:

If you need to retreive your lost combination, you can get it at this link:

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You have to contact Sentry directly to get the combination
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