Yale YDM 4115A Biometric Smart Lock – Brown | Fingerprint, PIN, Mechanical Key, Yale Home App

🔑 Access & Security

Q: What access options does the Yale YDM 4115-A offer?
A: You can unlock the door using fingerprint, PIN code, mechanical key, or via the Yale Home App (with Wi-Fi Bridge).

Q: How many fingerprints can I store?
A: Up to 100 fingerprints can be registered.

Q: How many PIN codes can be stored?
A: The lock supports up to 100 unique PIN codes.

Q: Is RFID access supported?
A: No, RFID access is not supported in this model.

Q: Can I manage user roles?
A: Yes, the lock supports Security (Master) mode and Normal mode for managing users individually or in groups.

📱 Yale Home App & Remote Access

Q: What functions does the Yale Home App support?
A: Unlock remotely, manage users, create OTPs, monitor access logs, receive alerts, and get real-time status.

Q: Do I need extra hardware for app control?
A: Yes, the Yale Wi-Fi Bridge and Bluetooth module (sold separately) are required for remote app control.

Q: Can I track who unlocked the door?
A: Yes, access logs and alert notifications are available in the app.

🔒 Password & Lock Settings

Q: What is the password length supported?
A: PIN codes can range from 6–12 digits.

Q: What is scramble code feature?
A: You can enter random numbers before or after your real PIN to prevent others from guessing your code.

Q: What happens if I forget to lock the door?
A: The auto-lock function secures the door after 5 seconds. You can also switch to manual locking if preferred.

Q: What is the 3-minute lockout feature?
A: After 5 incorrect PIN or fingerprint attempts, the lock disables for 3 minutes to prevent tampering.

🔋 Battery & Emergency Use

Q: What if the battery runs out?
A: You can use the mechanical key or plug a 9V battery to the terminal outside to power and unlock the door.

Q: How will I know when to replace the battery?
A: The lock will beep or show a red indicator light as a low battery warning.

Q: What type of batteries does it use?
A: It uses AA alkaline batteries with a life of ~3500 open/close operations.

📹 Integration & Alarms

Q: Is this lock compatible with video door phones?
A: Yes, with Yale VDP accessories (YRM 20 N and YRM 20 AMC) available separately.

Q: When does the alarm trigger?
A: The alarm activates if the lock is physically attacked or tampered with.

Q: Can I disable the alarm?
A: Yes, by entering the correct PIN, fingerprint, or unlocking via the app.

🧠 General

Q: Can I issue one-time passwords for visitors?
A: Yes, the lock supports single-use OTPs through the Yale Home App.

Q: Can I register different fingers?
A: Yes, you can register up to 100 fingerprints including both hands for convenience.

Q: Can this lock be installed on both left- and right-hand opening doors?
A: Yes, it is suitable for universal door configurations.