Chamberlain PD420D, PD422D, PD462D IMPORTANT SAFETY INSTRUCTIONS To reduce the risk of SEVERE INJURY or DEATH:

OPERATION

Using Your Garage Door Opener

Your Security✚®opener and hand-held remote

control have been factory-set to a matching code

which changes with each use, randomly accessing

over 100 billion new codes. Your opener will operate

with up to eight Security✚®remote controls and one

Security✚®Keyless Entry System. If you purchase a

new remote, or if you wish to deactivate any remote,

follow the instructions in the Programming section.

Activate your opener with any of the following:

•The hand-held Remote Control: Hold the large

push button down until the door starts to move.

•The wall-mounted Door Control: Hold the push

button or bar down until the door starts to move.

•The Keyless Entry (See Accessories): If provided

with your garage door opener, it must be

programmed before use. See Programming.

When the opener is activated (with the safety

reversing sensor correctly installed and aligned)

1.If open, the door will close. If closed, it will open.

2.If closing, the door will reverse.

3.If opening, the door will stop.

4.If the door has been stopped in a partially open

position, it will close.

5.If obstructed while closing, the door will reverse. If

the obstruction interrupts the sensor beam, the

opener lights will blink for five seconds.

6.If obstructed while opening, the door will stop.

7.If fully open, the door will not close when the beam

is broken. The sensor has no effect in the opening

cycle.

If the sensor is not installed, or is misaligned, the

door won't close from a hand-held remote. However,

you can close the door with the Door Control, the

Outdoor Key Switch, or Keyless Entry, if you activate

them until down travel is complete.If you release

them too soon, the door will reverse.

The opener lights will turn on under the following

conditions: when the opener is initially plugged in;

when power is restored after interruption; when the

opener is activated.

They will turn off automatically after 4-1/2 minutes or

provide constant light when the Light feature on the

Multi-Function Door Control Panel is activated. Bulb

size is A19. Bulb power is 100 watts maximum.

Security

✚

®light feature: Lights will also turn on

when someone walks through the open garage door.

With a Multi-Function Door Control Panel, this

feature may be turned off as follows: With the opener

lights off, press and hold the light button for 10

seconds, until the light goes on, then off again. To

restore this feature, start with the opener lights on,

then press and hold the light button for 10 seconds

until the light goes off, then on again.

IMPORTANT SAFETY INSTRUCTIONSTo reduce the risk of SEVERE INJURY or DEATH:

WARNING

1. READ AND FOLLOW ALL WARNINGS AND

INSTRUCTIONS.

2. ALWAYS keep remote controls out of reach of children.

NEVER permit children to operate or play with garage

door control push buttons or remote controls.

3. ONLY activate garage door when it can be seen clearly, it

is properly adjusted, and there are no obstructions to

door travel.

4. ALWAYS keep garage door in sight until completely

closed. NO ONE SHOULD CROSS THE PATH OF THE

MOVING DOOR.

5. NO ONE SHOULD GO UNDER A STOPPED, PARTIALLY

OPENED DOOR.

6. If possible, use emergency release handle to disengage

trolley ONLY when garage door is CLOSED. Weak or

broken springs or unbalanced door could result in an

open door falling rapidly and/or unexpectedly.

7. NEVER use emergency release handle unless garage

doorway is clear of persons and obstructions.

8. NEVER use handle to pull garage door open or closed. If

rope knot becomes untied, you could fall.

9. If one control (force or travel limits) is adjusted, the

other control may also need adjustment.

10. After ANY adjustments are made, the safety reversal

system MUST be tested.

11. Safety reversal system MUST be tested every month.

Garage door must reverse on contact with 1-1/2" high

(3.8 cm) object (or a 2x4 laid flat) on the floor.

12. ALWAYS KEEP GARAGE DOOR PROPERLY BALANCED

(see page 3). An improperly balanced door may not

reverse when required and could result in SEVERE

INJURY or DEATH.

13. All repairs to cables, spring assemblies and other

hardware, all of which are under EXTREME tension,

MUST be made by a trained door systems technician.

14. ALWAYS disconnect electric power to garage door

opener BEFORE making any repairs or removing

covers.

15. SAVE THESE INSTRUCTIONS.