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Sentry Safe A3750 won't open new batteries

Sentry safe model A3750 has new batteries, factory code, and key...safe won't open. Sentry doesn't even show this model on their web site.

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Http://www.sentrysafe.com

call them

mj

Posted on Sep 07, 2009

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Mother just past away,luckily safe was open at time,but dont know combo to keypad or we haven't found a key,how do i reset code to sentry10 gunsafe


To reset the combination on a Sentry safe, open the door of the safe, delete the existing codes, press the PROG or P key and enter the factory code. Finally, enter a new five-digit number as per individual preference, which is the new user combination.
It is always prudent to reset the combination on a Sentry safe when the door is open because it prevents the user from being locked out. To open the Sentry safe door, type the five-digit factory code given in the owner's manual. This factory code cannot be altered.
To delete the existing codes on newer models of the safe as of 2015, press the P button. Then, type the factory code and follow it up by inputting "00000" into the safe. On older models of the Sentry safe, press the PROG button and type the factory code two times.
After deleting the existing codes, press the PROG or P key and then enter the factory code once again. Within five seconds, type a new five-digit number, which is the new user code. To verify if the user code is working, retype it and then close the door of the safe. The user code is the primary code for opening the safe, and users can reset it as often as they want too

Mar 21, 2017 | We Home Security

1 Answer

I have lost the combination for my safe model V330 my model number V330 Sentry 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.
  • Delete any existing codes by pressing the "P" key and entering the factory code, followed by "00000." On older safes, press the "PROG" key and entering your factory code twice to delete old codes.
  • Press the "PROG" or "P" key again on your Sentry safe's keypad.
  • Enter your safe's five-digit factory code.
  • Enter a five-digit code of your choosing within 5 seconds. This is your user code. While the factory code cannot be changed, your user code can be changed as often as you like, and that should be your primary code to open the safe. Only you should know your safe's factory code.
  • Retype the user code to verify it is working, and then close the safe.

Mar 19, 2016 | Sentry FIRE-SAFE Combination Safe DS3431,...

1 Answer

How do I open a sentry s3877 safe when the battery is dead and safe is closed


The factory code combination to your electronic lock will remain in the memory of the unit - even if the batteries go dead. Any use programmed codes will be lost if the batteries lose power. The Sentry programmed factory code is always your default code.

If you do not know your factory code, you can follow this link for your combination retrieval:

http://www.sentrysafeshop.com/Lost-Combination-Sentry-Safe-Combination-p/lost%20combination.htm

Sep 23, 2012 | Sentry Fireproof Safe

2 Answers

Cannot open safe and I have changed the battery


If you removed batteries more than 1 or 2 times in a row, safe may revert back to a factory setting.
The factory number should be on your instruction sheet that came with the safe.
Contact Sentry for the factory safe number that came with your safe.

However, if the safe was not opening before you replaced the batteries it may be a faulty solenoid.


Terry Whin-Yates BA Hons (Criminology)
3rd Generation Master Locksmith
25+ Years Experience
BC Security License : B4227
604-773-5625
http://www.mrlocksmith.com/

Dec 27, 2010 | Sentry Safe Qe4531 Firesafe Waterresistant...

1 Answer

We have a S3877 Sentry safe. The battery appears dead so I can't use the code. I also have the key but since the battery is dead it is no help. What can I do?


The factory code combination to your electronic lock will remain in the memory of the unit - even if the batteries go dead. Any use programmed codes will be lost if the batteries lose power. The Sentry programmed factory code is always your default code.

If you do not know your factory code, you can follow this link for your combination retrieval:

http://www.sentrysafeshop.com/Lost-Combination-Sentry-Safe-Combination-p/lost%20combination.htm

Dec 07, 2010 | Sentry Fireproof Safe

1 Answer

Key is not working


Nice looking safe. You can download an owner's manual from sentrysafe.com.
Some safes have provisions for supplying power to the combo in event of battery failure.
I don't know how it is supposed to operate with key.

Jul 31, 2009 | Sentry Fireproof Safe

1 Answer

What is the factory code for the Sentry Safe Model A3750?


you have to contact sentrysafes.com for help with codes

Jul 14, 2009 | Sentry Fireproof Safe

5 Answers

Sentry safe S3877 have key and know combination but battery dead


Use paperclip to push in pin size hole below keyboard and then slide panel to right. Battery box is right there. Replace batteries and then was already to accept code.

Apr 08, 2009 | Sentry Fireproof Safe

2 Answers

Sentry Safe (DSW3607 Model) Won't Open


I finally ignored the poorly-written instructions for programming a personal code and simply entered the factory code first and then pressed the prog/enter code button.  The safe opened.  The instructions tell you to push the prog/enter code first and then enter the factory code or personal code to open the safe.  Wrong!  Do it my way should this problem happen to you.

Mar 22, 2009 | Sentry Fireproof Safe

1 Answer

Error light comes on when keying combination code


Try new batterys ,also sometimes if too full ,you will have to hit it hard to get the stuff off the lock bars that keep them from moving .

Dec 17, 2008 | Sentry Fireproof Safe

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