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John, Engineer and electronic enthusiast for more than 12 years.
Category: Consumer Electronics
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Dead battery in safe how to replace, sentry s 3517, several

Customer Question

dead battery in safe how to replace
JA: What's the make/model of your device? How old is it?
Customer: sentry s 3517
JA: How long has this been going on? What troubleshooting have you tried?
Customer: several months. just trying to unlock with code. no light on battery
JA: Anything else you want the electronics expert to know before I connect you?
Customer: no except if battery is dead how to replace it
Submitted: 7 months ago.
Category: Consumer Electronics
Expert:  Russell H. replied 7 months ago.

Hi, thank you for contacting My name is Russell. I will do my best to provide the right answer to your question.

Does your model of safe have a key-lock on it? it may be under a sliding panel.

If so, use the emergency key to the safe, to open it (that is what emergency keys for Sentry Safes are for, to open them should the batteries have failed.)

If not, let me know.