Service & Support
FAQs
Q: How do I change my preset combination code?
A:
View instructions or instructional video on how to change your combination on your 4901EURDLH Biometric Padlock.
Q: How do I open a Master Lock combination lock? What is the dialing sequence?
A:
To open a standard Master Lock combination lock (1500D):
- Turn the dial 3 times to the right and stop on the first number of the sequence.
- Turn the dial to the left, past the first number of the sequence, and stop on the second number.
- Turn the dial to the right and stop on the third number of the sequence.
- Pull up on the shackle.
Watch the instructional video.
Q: How can I fix a Master Lock padlock that only opens occasionally or is difficult to open?
A:
Watch our lock maintenance video or view our Care & Service guide. If your lock still does not function properly, it may be defective. Refer to our Warranty Information to find out how to obtain a replacement lock.
Q: How can I fix a Master Lock lock that only opens occasionally or is difficult to open?
A:
Watch our lock maintenance video or view our Care & Service guide.
If your lock still does not function properly, it may be defective. Refer to our Warranty Information to find out how to obtain a replacement lock.
Q: What should NOT be stored in my Master Lock fire resistant unit?
A:
Master Lock fire resistant units are not suitable for weapons storage, computer disks, audio or video cassettes media or photo negatives, delicate items which need special protection such as stamps or pearls. Please consult your owner’s manual for additional details.
Q: How do I add fingerprints to my padlock?
A:
View instructions or instructional video for how to add your fingerprints and additional user fingerprints on your 4901EURDLH Biometric Padlock. You can add up to 10 fingerprints to enable sharing access with family, friends, or employees in a home, school or business environment.
Q: How do I protect my audio and video cassettes, photo negative as well as my digital media storage against fire?
A:
Audio and video cassettes, photo negatives, X-ray films and microfiche need more fire and humidity protection than provided by Master Lock fire resistant products. Damage to these types of media may begin at temperatures above 52°C (125°F) as compared to paper products that may withstand heat up to 177°C (350°F).
Master Lock UL rated fire resistant products have been ETL verified to protect data storage products, which include CDs, DVDs, memory sticks, USB drives, hard drives and MP3 players. Depending on the model you own, and it's specific UL fire endurance rating the media protections vary as follows:
- UL Classified 1/2-hour fire protection = ETL verified fire protection for digital media for 1/2 hour up to 843°C (1550°F).
- UL Classified 1-hour fire protection = ETL verified fire protection for digital media for 1 hour up to 927°C (1700°F).
- UL Classified 2 hours fire protection = ETL verified fire protection for digital media for 2 hours up to 1010°C (1850°F).
Q: How do I change the battery on my Biometric Padlock?
A:
View instructions or instructional video on how to change the battery on your 4901EURDLH Biometric Padlock.
Q: How do I delete fingerprints from my padlock?
A:
View instructions or instructional video on how to delete your fingerprints on your 4901EURDLH Biometric Padlock.