CODELOCKS CL400 User manual
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CL400 - Code Change Instructions
Many Codes to Choose From
The CL400 code chamber (CL410 and CL420) consists of 13 buttons from which the code is selected, and a
‘C’ button which is used to re-set the chamber after an incorrect entry, and which must always be used as
the first digit of a code. Buttons may only be used ONCE in a code. For example, 1212 is not possible.
A CL400 code, or combination, can be entered in any order or sequence; e.g. 1234 can be 4321 or 1342 or
whatever sequence is most convenient to remember. With 13 buttons, a total of 8,191 different codes are
available, any of which can be entered in any sequence.
The total is arrived at as follows:
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Most people will set a code in the range of 4 to 7 digits, and the total number of codes in this range is
5,434. The lock is factory set with a randomly selected 5 digit code starting with the ‘C’ button. The code is
not recorded by the factory. The code can be changed as often as required to any other 5 digit code. Every
new code must start with the ‘C’ button. Using the spare tumblers, the code length can be changed to 4 or
6 digits. Shorter codes are possible, but 1 or 2 digit codes are not recommended.
Note: CL415 and CL425 have 12 coded buttons giving 4,095 different codes.
Code Change Instructions
NOTE: On CL415 and CL425:
A) Press the ‘Y’ button and the ‘C’ button to ensure that the lock is not in Code Free Access mode.
B) When changing code do not reposition Y tumbler.
1. Take your CL400 lock off the door by unscrewing the 2 bolts in the back plate.
2. Press the C button to reset the chamber and place the lock case on a flat surface with the buttons down.
3. Remove the 2 red screws and carefully lift off the code chamber plate. Check that all 14 springs are held
in place on the plate.
4. Note that the coloured code tumblers correspond in position to the existing code. The silver tipped non-
code tumblers fill the other positions. The C tumbler is not coloured.
NB: Holding the C button depressed whilst repositioningthe tumblers is ESSENTIAL to avoid
damaging the internal mechanism.DO NOT attempt to reposition the C tumbler.
5. Hold the lock in your hand and depress the C button. Keeping the C button depressed use tweezers to
reposition the tumblers to correspond with your new code. The square notches of ALL tumblers MUST face
outwards, with the square tips ON TOP: See diagram below. DO NOT force the tumblers in.
6. Replace the code chamber plate carefully with the 2 red screws.
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7. Check the operation of the new code, and make a written note of it before reinstalling the lock.
MAINTENANCE
No maintenance of the working parts is necessary. DO NOT OIL.
To maintain the finish the lock should be cleaned regularly with a soft cloth. A silicone spray or similar,
should be used to provide a protective film against grit and grime.
GUARANTEE
If any Codelocks mechanical lock should develop a fault, at any time due to manufacturing, just call the
Codelocks helpline and arrange for it to be repaired free of charge.
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Features
Medium-duty mechanical locks with full size lever handles.
Code Free Access mode by pressing the ‘Y’ code free button after entering the code (CL415 and
CL425 only). Reset by pressing the ‘Y’ button and then the ‘C’ button.
Inside handle always retracts the latch for exit.
Stainless steel and polished brass finishes available.
Reversible handles.
Easy code change as often as required.
Fit doors between 35mm (⁄”) - 60mm (2 3/8”) thick
Features - Model 420/425 Only
Split follower lock enables inside handle to retract latch and deadbolt simultaneously. Prevents
accidental lock-ins
Deadbolt thrown by key to lock out code users after work hours
Key will retract the latchbolt giving access for admin functions
Double Euro-profile cylinder with 3 keys. Any Euro-profile cylinder may be used excluding thumb
turn version.
On multiple door installations consideration should be given to having all cylinders keyed alike, with
restricted key issue, for ease of management
Back to Back Version Only
Two coded plates are provided to allow coded access in both directions.
Butterfly spindle not required.
For doors hung on the right, fit the silver spindle in the front keypad and the coloured spindle in the
opposite side.
For doors hung on the left, fit the coloured spindle in the front keypad and the silver spindle in the
opposite side.
CL420 / CL425 Only
Split follower lock enables inside handle to retract latch and deadbolt simultaneously. Prevents
accidental lock-ins.
Deadbolt thrown by key to lock out code users after work hours.
Key will retract the latchbolt giving access for admin functions.
Double euro profile cylinder with 3 keys. Any euro profile cylinder may be used excluding thumb turn
versions.
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On multiple door installations consideration should be given to having all cylinders keyed alike, with
restricted key issue, for ease of management.
CC-CL400-v1:0218
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© 2018 Codelocks Ltd. All rights reserved.
Keywords: Lock Locks Code CodeLock CodeLocks Program Programming Instruction Instruct Help
Support Troubleshoot Troubleshooting Sequence Sequences Install Installation Parameters Settings
Setting Parameter Setting Set up Mechanical CL 400 CL400 Code Change
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