Chamberlain Security+ 3900PLD - Manual (Page 27)

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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 operator 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 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 operator light will blink three times. Release the
button.
2. Press the temporary 4-digit PIN you have chosen, then
press Enter.
The operator 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 ✽.
1. Press and release the purple “learn”
button on motor unit. The learn
indicator light will glow steadily for
30 seconds.
2. Within 30 seconds, enter a four digit
personal identification number (PIN)
of your choice on the keypad. Then
press and hold the ENTER button.
3. Release the button when the learn
indicator light blinks and shuts off
upon learning the remote control. If
the optional remote light is installed,
the light will blink.
To Add, Program or Change a Keyless Entry PIN (Not Provided)
NOTE: The optional Keyless Entry must be programmed to operate your garage door operator.
USING THE “LEARN” BUTTON