I have the key I know the3 combination but still i could not open because it's in low battery

If your Sentry Supreme 5330 safe is not opening, there could be a few possible reasons why:

1. Combination Error: If you are using a combination to open the safe, make sure that you are entering the correct combination. If you have forgotten the combination, you will need to contact Sentry Safe customer service to get assistance on how to recover or reset your combination.
2. Dead Batteries: If you have an electronic lock on your safe, the batteries may be dead. Replace the batteries and try again.
3. Jammed Bolts: The locking bolts may be jammed due to incorrect operation or a mechanical problem. Try tapping the safe door gently with a rubber mallet to loosen the bolts and then try to open it.
4. Mechanical Malfunction: If the safe still does not open, there may be a mechanical malfunction. In this case, you will need to contact a professional safe technician to diagnose and repair the problem.

Note: If you have lost your key, you will need to contact Sentry Safe customer service to order a replacement key.

I have a sentry safe 1250 .83 cubic and I have the key I was using the safe for awhile without the combination and just the key but now the key wont work and someone messed with the combination part which I dont know the combination i dont know what to do and I dont wanna trash this safe

Some safes come with a key to open it with when this happens.key hole is cancelled under or near the keypad...not sure if yours is one of them.or there maybe a slot to plug in a battery pack .good luck..hope I have helped.

contact sentry safes customer support or your local locksmith
if in Fort Lauderdale area try

Once you get the error light that means you are entering a user code that was deleted when the batteries went dead . Simply use the master code in your owners manual to open the safe. Reprogram new user code instructions bottom of this page.

Battery replacement instructions bottom of this page.

Sentry Safe lost combination. First, find your sentry floor safe's Serial Number. The Serial Number is printed on the small label on the right side of safe, on paper tag near bottom hinge, below the cover plate or you can look behind the handle with a mirror. Just note your model # and the serial #.
Sentry Safes express combination research is fast with a next day Service. The email is sent the next business day with the sentry safe combination and opening instructions. Although there is a service charge it's still cheaper then locksmith drilling a Sentry Fireproof Safe open.

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.

Sounds like all you might need is a new Sentry Safe battery pack to hold the batteries. As these sometimes short out from leaking batteries.

u can request a lost combo from the sentrysafe.com u gotta get a it noteiatized and send it in to them the details are listed on the webpage i hope this helps u