Assa Abloy ML53PA User Manual

BASIC INFORMATION
ASSA ABLOY pin code lock “PIN” has 3 different code levels available. These are:
1. User Codes (Up to 10 codes) – Always 4 digits long
2. Janitor Codes (Only in public mode) – Always 6 digits long
3. Master Codes – Always 8 digits long
To understand how each of these code levels work, see section below.
USER CODE OPERATION
A. PRIVATE MODE
In private mode the lock is set to work with the same User Codes. These codes needs to be previously
programmed into working with this specific lock. User Codes are always 4 digits long.
1: To open the lock, simply enter your 4-digit and open the door. If the handle isn’t turned, the lock will
automatically re-lock after 4 seconds.
2: To close, simply turn the handle into locked position and the lock will automatically lock.
B. PUBLIC MODE
In Public Mode the lock is set to work with any code entered into the lock. This will temporarily assign this
as the User Code for the lock. Upon opening the lock with this code, the lock will remove this code, and any
other code can now operate the lock. In Public Mode, a Janitor Code can be added to the lock, see Janitor
Code operation below.
1: To close, turn the handle into locked position and enter a 4 digit code. This will lock the lock. A red light
every 3rd second will indicate that the locker is occupied
2: To open, reenter the code. This code is now no longer active as a User Code. Any other code can now
operate the lock.
Red LED on for 1 second if incorrect User Code is entered)
MASTER CODE OPERATION
The Master Code can open the lock in both modes. In Public Mode, opening with the Master Code, will also
erase the temporary User Code. The Master Code is always 8 digits long. When using the Master Code,
start with and end with .
Red LED on for 1 second if incorrect User Code is entered)
JANITOR CODE OPERATION
The Janitor Code can open the lock in Public Mode. Different to the Master Code, the Janitor Code will not
erase the temporary User Code. The Janitor Code is always 6 digits long. When using the Janitor Code,
start with and end with .
Red LED on for 1 seconds if incorrect Janitor Code is entered)
FACTORY RESET
Insert a needle or clip through the hole on the back and press for 2 seconds. This will restore the lock into
Factory Mode, see lock setup for different options on how to reprogram the lock into desired configuration.
LOW BATTERY
When the battery level drops below 10%, the battery symbol flashes red 5 times after opening the lock.
EXTERNAL POWER SUPPLY
Use external 5-pin USB power if the battery is dead and the lock does not respond at all
(Use with smartphone/laptop charger)
Electro-mechanical Lock Model ML53PA
ASSA ABLOY PIN

Assa Abloy ML53PA Specifications

General

Brand	Assa Abloy
Model	ML53PA
Category	Locks
Language	English

Summary

Basic Information and Operation Modes

Code Levels Overview

Details the three code levels available: User (4-digit), Janitor (6-digit), and Master (8-digit).

User Code Operation

Explains how to use User Codes in Private Mode for lock operation and auto-relocking.

Public Mode Operation

Describes using any code as a temporary User Code in Public Mode, and code deactivation.

Master Code Operation

Details how the Master Code (8-digit) operates the lock in both modes and erases temporary codes.

Janitor Code Operation

Explains Janitor Code (6-digit) usage in Public Mode, noting it doesn't erase temporary User Codes.

Maintenance and Power

Factory Reset Procedure

Instructions for resetting the lock to factory settings using a reset hole and button.

Low Battery and External Power

Indicates low battery warnings and the use of external USB power for dead batteries.

Quick Setup Modes

Private Mode Quick Setup

Guides setting Master and User Codes for Private Mode using a quick setup sequence.

Public Mode Quick Setup (Master Code)

Details quick setup for Master Code in Public Mode, leaving the lock open.

Public Mode Quick Setup (Master & Janitor)

Outlines quick setup for Master and Janitor Codes in Public Mode.

Transition to Public Mode

Instructions for moving from Factory Mode to Public Mode with a predefined Master Code.

Standard Programming Menus

Modify User Codes

Instructions for adding, deleting, and managing multiple User Codes using the Master Code.

Change User Code

Procedure to change an existing User Code to a new one.

Modify Janitor Codes

Steps to add or delete the Janitor Code in Public Mode using the Master Code.

Change Master Code

Guides on how to change the existing Master Code to a new one.

Switch Modes (Public/Private)

Instructions for switching the lock between Public and Private operating modes.

Sound Control

How to turn the lock's audible feedback sound on or off.

Time Opening Control

Enabling/disabling automatic lock opening after a set period in Public Mode.