Hi I am sorry to hear that.
The best thing to do to get a new code that will work is to contact Sentry Safe at this #:
Sentry Safe lost Combination dept: Call US and Canada Customer Service Center at
Also watch this video it may help?
And you can also visit this site for moe help: https://www.sentrysafe.com/ContactUs/Call_Or_Email_Us
In any case, I will stick with you until this is complete.
Please rate my service kindly.
Also it is the only way I am credited for my time and expertise with you.
Once you rate, I will be notified and will add your question to my priority list so you can reach me anytime until this problem is solved.
Then you can reach me by simply replying to this message anytime.
Thank you and have a great day!