Craftsman 139.18451DM Manuel D'instructions page 36

NOTE: Your new Keyless Entry must be programmed to operate your garage door opener.
USING THE "LEARN" BUTTON
1. Press and release the "learn" button on
motor unit. The learn indicator light will
glow steadily for 30 seconds.
2. Within 30 seconds, enter a four digit
personal identifi cation number (PIN) of
your choice on the keypad. Then press
and hold the ENTER button.
3. Release the button when the motor unit
lights blink. It has learned the code. If
light bulbs are not installed, two clicks
will be heard.
To change an existing, known PIN
If the existing PIN is known, it may be changed by one person
without using a ladder.
1. Press the four buttons for the present PIN, then press and hold
the # button.
The opener light will blink twice. Release the # button.
2. Press the new 4-digit PIN you have chosen, then press Enter.
The motor unit lights will blink once when the PIN has been
learned.
Test by pressing the new PIN, then press Enter. The door should
move.
To Add, Reprogram or Change a Keyless Entry PIN
To set a temporary PIN
You may authorize access by visitors or service people with a
temporary 4-digit PIN. After a programmed number of hours or
number of accesses, this temporary PIN expires and will no longer
open the door. It can be used to close the door even after it has
expired. To set a temporary PIN:
1. Press the four buttons for your personal entry PIN (not the last
temporary PIN), then press and hold the button.
The opener light will blink three times. Release the button.
2. Press the temporary 4-digit PIN you have chosen, then press
Enter.
The opener light will blink four times.
3. To set the number of hours this temporary PIN will work, press
the number of hours (up to 255), then press.
3. To set the number of times this temporary PIN will work, press
the number of times (up to 255), then press #.
The opener light will blink once when the temporary PIN has been
learned.
Test by pressing the four buttons for the temporary PIN, then
press Enter. The door should move. If the temporary PIN was set
to a certain number of openings, remember that the test has used
up one opening. To clear the temporary password, repeat steps
1-3, setting the number of hours or times to 0 in step 3.
One Button Close: Opener can be closed by pressing only the
ENTER button if the one button close feature has been activated.
This feature has been activated at the factory. To activate or
deactivate this feature press and hold buttons 1 and 9 for 10
seconds. The keypad will blink twice when the one button close is
active. The keypad will blink four times when one button close is
deactivated.
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