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  1. Lost Combination Help & Replacement | Master Lock

    Reset & Retrieve Lost Combinations If you’ve lost your combination and your lock has a serial number, we may be able to help. We can also help you find instructions to reset the …

  2. Master Lock 5401D Key Box: How to Reset the Combination

    These Master Lock key boxes can be very handy around the house to store keys securely outdoors. But sometimes you have to reset the combination. This is very easy, and I'll show …

  3. How to Reset a Master Lock (with Pictures) - wikiHow

    Mar 29, 2025 · To reset a Master Lock with a precision dial, open the lock and turn the shackle to access the shackle hole. Next, insert the reset tool and rotate the dial clockwise 3 times to …

  4. 4 Ways to Reset a Master Lock - The Tech Edvocate

    However, sometimes you might either forget the combination or need to reset it for security reasons. In this article, we will discuss four different ways to reset a Master Lock so you can …

  5. Master Lock Combination: How to Reset | Sure Lock & Key

    Oct 24, 2025 · In this quick guide, we’ll walk you through how to reset a Master Lock combination — whether your lock has a reset lever or not. We’ll also cover what to do if you don’t know the …

  6. Reset Your MASTER Combination Lock - No CODE Needed!

    This guide will walk you through the essential steps on how to reset a master combination lock without the code. Understanding the lock and its mechanics is crucial for successfully …

  7. 5401D Wall Mount Lock Box Instructions - Master Lock

    Push the reset lever left and down. The lever remains in this position. What you Need: pencil or marker, Phillips head screwdriver, level, drill, and drill bit. For certain surfaces, we recommend …

  8. How to Reset a 4 Digit Master Lock | Helpful Examples (2025)

    Jul 26, 2025 · For those learning how to reset a 4 digit master lock, follow the steps to clear and set your desired combination securely. Ensure you choose a unique and easy-to-remember …

  9. Reset Your Master Lock Combination in 5 Minutes: Quick Guide …

    Aug 5, 2025 · Reset your Master Lock combination in just 5 minutes with this quick guide. Follow simple steps to regain access to your belongings easily.

  10. How to Reset Change Code on a Masterlock Lockbox - YouTube

    Buy Lockboxes on Amazon: https://amzn.to/43nFU6W*Use the above Amazon affiliate link to check out the highlighted product. If you make a purchase, you help s...