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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. The Complete Guide to Resetting Master Lock Combinations: …

    Aug 5, 2025 · Knowing how to reset master lock combination is important for anyone with a padlock. You may need to change your combination for safety reasons. Or, you might just …

  5. 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 …

  6. 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 …

  7. How Do You Reset A Master Lock Box - Hitches Guide

    Jul 12, 2025 · A key feature of these lock boxes is the ability to set a custom combination. However, what happens when you need to change the combination or have forgotten it? This …

  8. 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...

  9. How to Reset Any Master Lock Combination: Models, Methods, …

    Aug 5, 2025 · Easily reset your Master Lock combination with our step-by-step guide. Troubleshoot common issues and enhance your security today!

  10. 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 …