Codelocks CL600 Series Mechanical: On-Door Code Change

Time to Install: 15 to 30 minutes Necessary Tools: 1-3/16” bit (minimum cross bore opening), 3/8” bit...


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Time to Install:

15 to 30 minutes

Necessary Tools:

1-3/16” bit (minimum cross bore opening), 3/8” bit,

1” bit,

3/32” hex wrench for removing the levers.


Codelocks’ new CL600 Series lever locks are recombinated without removal from the door or disassembly. These mechanical pushbutton locks are constructed with zinc alloy casings, stainless steel buttons and hardened steel clutch components. The stainless steel buttons eliminate problems of button wear associated with user code deciphering.

The weather resistant Codelock CL600 Series locks have field reversible levers to accommodate door handing. The exterior lever is equipped with a conventional 6-pin tumbler “C” keyway lock cylinder. The lock cylinder provides two functions: emergency override and the ability to change the code. The interior lever provides free egress at all times.

Two CL600 Series locks are equipped with the dead latch - the CL610 and CL615. The CL615 has all of the features of the CL610 and the “Passage Mode” function. Entering the correct code and pressing the “P” button enters the lock into the passage mode. To exit the “Passage Mode,” press the “P” and “C” buttons. The Codelocks CL615 lock can be identified by the black dot on the face of the “P” button.

Two rows of pushbuttons are numbered one through zero and letters “X”, “Y”, “P” and “C”. The “X” and “Y” buttons function the same as the number buttons on the CL615 models. The “C” button clears the code chamber. The “C” button is always the first button to be entered in every code.

According to Codelocks, the CL610 lock has more than 8,000 possible code combinations using from one to 13 buttons including the “P” button. The CL615 lock has more than 4,000 possible code combinations using from one to 12 code buttons. Codelocks does not recommend using shorter, one- or two-character codes for most lock applications. Typically codes are four to seven characters long. As an example, a six-character code has more than 1,700 combinations.

There is one important rule when choosing a code: the numbers and letters can each be used only once. For example, the provided CL615 lock has the code C5670X. To enter a code, always press the “C” button first to clear the code chamber. Then the remaining characters of the code are entered. The code does not have to be entered sequentially. For example, once the “C” has been entered, the remainder of the code can be entered as 5670X or 075X6 or in any order. Once all of the characters have been entered, push down on the lever handle to retract the latch.

Important: There is no specific factory default code for the CL600 Series locks. This is because Codelocks has determined that most people do not change the original code.

The code can be changed without disassembling or removing the lock from the door. To change a known or unknown code, the code chamber must be in the “Change Mode” using the lock cylinder in the outside lever. To enter the “Change Mode,” insert and rotate the key counterclockwise approximately 90 degrees until it stops. A provided T-handle code change tool is used to change the buttons to or from non-code and code.

The first step is to place all of the buttons into the non-code position. Once the code chamber is the “Change Mode,” place the code change tool onto a button. Push in very slightly, approximately 1/16”and turn counterclockwise 180 degrees. If the button is not pushed in, the button will not change from coded to non-coded. If the button was coded, the tool will turn freely during the rotation until it stops. If not, the button will not turn.

Repeat the procedure for all of the number buttons and the letter buttons. At this time all of the buttons should be in the non-code position.

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