How can you open a sentry safe model MSW3110 when the combination no longer works?

If the combination for your Sentry safe model MSW3110 no longer works, you can try a few methods. First, ensure the dial is turned fully to the left before starting the combination. If that doesn’t work, consider contacting Sentry's customer service for assistance, as they can provide guidance or a reset option. As a last resort, you may need to consult a locksmith to gain access without damaging the safe.