How to Change Code on Keypad Door Lock Ⅱ

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This blog is the second in Signstek's series on How to Change Code on Keypad Door Lock.

In Signstek's last blog, we have introduced the comprehensive operation of ST668 Plus touchscreen keypad door handle lock and PT-R0S00 electronic keypad door lock, including how to add new user code, how to delete existing user code, and how to change programming code.

In this blog post, we will continue to introduce the comprehensive operation of the remaining two locks of Signstek: PLU331 electronic keypad deadbolt lock and YL-99 digital keyless door knob lock.

Similarly, before browsing this guide, let's review some basic terms about Signstek locks:

PC: Programming code, the most important code in the series as it is needed to program all user codes and the second PC.

UC: User code, 4 or 6 digits that users need to enter when they open the door every day.

PLU331 electronic keypad deadbolt lock

how to change code on keypad door lock

The default PC is 0000, and default UC is 1234.

There is a programming button in the middle of the lock, which is used to set the function and lock/unlock the door.

Before new installation or restoring default setting, you must run the door handing identification first.

  1. Door handing identification process

Enter PC→Press programming button→Press 9/0→Press programming button

  1. Add new UC

Enter PC→Press programming button→Press 1/2→Press programming button→Enter New UC→Press programming button

Note: up to 6 sets of UC can be saved. UC could be 4-10 digits in length.

  1. Delete an existing UC

Enter PC→Press programming button→Press 3/4→Press programming button→Enter New UC→Press programming button

  1. Change PC

Enter current PC→Press programming button→Press 7/8→Press programming button→Enter New PC→Press programming button

YL-99 digital keyless door knob lock

how to change code on keypad door lock

The YL-99 digital lock is capable of storing to 10 access codes:

The UC can be any number and combination of "1-9" with a maximum of 15 digits.

Only the PC can have "0" as the first digit and only the second PC can have "9" as the first digit.

One PC: begin with "0"

One second PC: begin with "9"

Eight UC: begin with "1-8"

All codes can be a maximum of 15 digits including the allocated sequence number.

The default PC is "0123". Enter PC "0123" and press "#" to unlock. The lock will sound and the green indicator will light up. The lock can be unlocked within 4s after beeping stop.

Note:

If 4 beeps are heard, the function setup is changed successfully.

Door should always be ajar when creating/changing codes.

  1. Change PC

Enter current PC→Press #→Enter new PC started with "0"→Press "*".

  1. Add second PC and new UC

Enter PC→Press #→Enter second PC or new UC→Press "*"

Note: the second PC and each UC must be entered while the blue backlight is on. If light goes out, you must re-enter the PC to unlock the door.

  1. Delete an individual UC

Enter PC→Press #→Enter "0000"+"1-8"(the sequence number of the code you want to delete)→Press #.

  • To delete the first group UC - enter "00001")

If 1 beep is heard, the individual UC will be erased.

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