How do I open my Sentry Safe when the batteries have gone dead?

SOURCE: 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.

SOURCE: The Sentry V260 safe will not open. Replace batteries?

Locksmiths agree on how to install sentry safe batteries
slide open the battery cover located just below the keypad.
Insert a paper clip or pen point into the small hole in the cover. Push in while sliding cover to the right. Disconnect and remove the battery holder. Insert the 4-batteries as indicated.
reconnect the connector and put back the battery holder. Slide the cover back in place. How do I insert the batteries on my advanced electronic lock safe? On the newer model Fireproof Sentry Safes my locksmith recommended me To install batteries,
turn the electronic lock case to the right and remove. Insert four new batteries as indicated, replace the electronic lock case and turn to the left to reassemble.

SOURCE: batteries are dead can't open safe

I had the same problem. We finally located where the batteries were hidden. They were below the keypad, There is a silver, plastic cover that slides to the right to expose the 4 AA batteries. Hope this helps you.

SOURCE: factory code will not open model # DA3831 safe

i am a locksmith that has worked on several of these. The safe is manufactuered with three types of lock mechanisms 1. combo dial 2. digital 3. advanced digital the advanced digital is what you have there are no green lights on it. look at the manual carefully there are 2 seperate sections on the digital key pads yours will be the second.

SOURCE: The battery on my DSW3607

the battery pack is in the front where the combination is located. take off the front part, there is a screw at the bottom, batteries are behind.