Chamberlain 3850 Garage Door Opener User Manual


 
28
Using the Remote Control
NOTE: To activate the remote control functions, pull out
the plastic pull tab protruding from the remote control
housing.
This remote control is equipped with a proximity lighting
feature. When moving a hand within close proximity to the
remote control, the LED lights turn on for 3 seconds. Upon
successful activation of a remote control button, the LED
lights will blink rapidly.
Proximity Disable Feature
The remote control will turn off the proximity lighting
feature if the proximity lighting is turned on 10 consecutive
times without activation of a button. To re-enable the
proximity lighting, simply press a button. This function
conserves battery life.
To Control the Opener Lights
With 315MHz Security
®
remote controls, a remote push
button can be programmed to operate the opener lights
without opening the door.
1. With the door closed, press and hold the remote button
that you want to control the light.
2. Press and hold the Light button on the multi-function
control panel.
3. Press and hold the Lock button on the multi-function
control panel.
4. After the opener lights flash, release all buttons.
Test by pressing the remote push button. The opener
lights should turn on or off but the door should not move.
Open/Close/Stop Operation
Your 315MHz Security
®
remote control can be
programmed to operate one door using all 3 buttons: the
button with one light slot will only open the door, the
button with two light slots will close the door, and the
button with three light slots will stop the door’s movement.
You may set up this feature as follows:
1.With the door closed, press
and hold the button with
one light slot.
2.Press and hold the Lock
button on the multi-function
control panel.
3.Press and hold the main door control push button.
When the opener lights flash, release all buttons. Test by
pressing the 1 light slot button (Open) on the remote. The
door should open. Press it again while the door is open
and nothing should happen. Press the 2 light slot button
(Close) while the door is moving and it should close. Press
the 3 light slot button (Stop) and the door should stop
immediately.
1 Light Slot
(Open)
2 Light Slots
(Close)
3 Light Slots
(Stop)
Troubleshooting
Reduced proximity
sensing (does not
activate by
touching top of
remote control)
Check if proximity lighting is
disabled by pressing a button.
Replace 3V2450 battery with
same type 3V2450 coin cell.
The Proximity Sensor may be
oversensitized. Sit remote control
undisturbed for 60 seconds on a
non-metallic surface. This allows
the sensor to recalibrate itself.
Dim LED lights
Replace two 3V2016 batteries
with same type 3V2016 coin
cells.
No rapid LED
blinking after
pressing a button
Replace two 3V2016 batteries
with same type 3V2016 coin
cells.
PROBLEM SOLUTION
NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of this
receiver and/or transmitter are prohibited, except for changing the code setting or replacing the
battery. THEREARE NO OTHERUSER SERVICEABLE PARTS.
Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired operation.
The Remote Control Battery
The 3V2016 lithium batteries
for the opener and LED lights
(marked “LED and Opener
Battery”) should last 5 years.
The 3V2450 lithium battery
for the proximity lighting
(marked “Proximity Battery”)
should last 1-2 years. To
replace the batteries, remove
the two screws and open the
remote control housing. Push
the battery out of the holder
for removal. Insert replacement batteries positive side up.
Dispose of old batteries properly.
Replace the batteries with only 3V2016 or 3V2450 coin
cell batteries. Use of another cell may present a risk of fire
or explosion.
CAUTION: Do not bend spring contact. If bent the
proximity sensor will not work.
To prevent possible SERIOUS INJURY or DEATH:
NEVER allow small children near batteries.
If battery is swallowed, immediately notify doctor.
Proximity
Battery
LED and
Opener
Batteries
Spring
Contact
WARNING
CAUTION
WARNING
WARNING