I lost my factory code for my Sentry S3807 Safe. How do I get the factory code?

SOURCE: wats the factory code for a sentry s3807...

First, find your safe’s Serial Number. The Serial Number is printed on the small label on the right side of safe ( on paper tag near hinge) or under handle. just note your model # and the serial#. A good locksmith should be able to help you with It

SOURCE: Sentry S3807 safe-cannot open

locksmiths agree on how to install sentury 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?
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.