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Mr. Gregory White
Mr. Gregory White, Safes-expert
Category: General
Satisfied Customers: 5229
Experience:  Over 10 years as general researcher and repair.
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Munsell I have a sentry s3877 that a friend gave me. I have

Customer Question

Munsell I have a sentry s3877 that a friend gave me. I have the master code and when I enter it I hear a click and the proceed light stays green but when I try to turn the handle it will not move then the light goes off.
JA: Thanks. Can you give me any more details about your issue?
Customer: also the battery light does not show it is low
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Submitted: 8 months ago.
Category: Safes
Expert:  Mr. Gregory White replied 8 months ago.

Hello, my name is Greg.

The first step in this is to ensure that the batteries are fresh. You would not believe how many times that it the issue as, if the batteries are low, then the safe will not have enough power to move the metal bars in the safe to release. It is often not unusual for the low battery alert to not show, especially if a non-lithium battery is being used.

I always recommend that you use lithium batteries (as opposed to alkaline) as they are made for electronics and keep their constant charge till the end. Alkaline batteries lose power over time and, even though they may show they still have power, are weaker than needed.

If you have a round combination area, turn from the 12pm to 2pm position and remove the front of the battery area. Replace the batteries then replace the cover by turning from the 2 pm to 12 pm position. Try to open again as normal.

If you have a rectangular area, use a pen tip or a paperclip to push in on the button in the lower rectangular area. While pushing it in, slide off the front cover to expose the batteries. Replace the batteries and then replace the cover. Try again to open.

Reply back if you have any issue or it does not solve your problem. If this gets the safe open for you, be sure to rate/submit my response when satisfied so that I receive credit for my help today.

:-)

Customer: replied 8 months ago.

Hello, thanks for your answer but though I really wished this worked it did not. I replaced all the batteries with brand new ones (alkaline but that is all I had right now) and I am still getting the same problem, the handle will not turn. Any other ideas? I know the code is correct because I was even able to program a new code with it and it does the same thing. Also it does click like it is open but then nothing when try to turn handle.