Chamberlain 3800PC Garage Door Opener User Manual


 
20
ADJUSTMENT STEP 5
Test Cable Tension Monitor
If your cable tension monitor has been activated the
Indicator Light will blink 9 times. See page 18.
ADJUSTMENT STEP 6
Test Power Door Lock
TEST
With the door fully closed, the power door lock bolt
should be protruding through the track.
Operate the door in the open direction. The power door
lock should retract before the door begins to move.
Operate the door in the down direction. When the door
reaches the fully closed position, the power door lock
should automatically activate to secure the door.
NOTE: If the power door lock does not function, the lock
can be manually released by sliding the manual release
handle to the open position.
ADJUSTMENT STEP 7
To Open the Door Manually
Disengage door lock before proceeding. The door should
be fully closed if possible. Pull down on the emergency
release handle until a click noise is heard from the unit
and lift the door manually. To reconnect the door to the
opener, pull down the emergency release handle straight
down a second time until a click noise is heard from the
unit. The door will reconnect on the next UP or DOWN
operation.
Test the emergency release:
Make sure the garage door is closed.
Pull the emergency release handle. The garage door
should then be able to be opened manually.
Return the door to the closed position.
Pull the emergency handle a second time.
Reconnect the door to the opener.
Power Door Lock
Manual Release
Lock Bolt
“Locked”
To prevent possible SERIOUS INJURY or DEATH from a falling
garage door:
• If possible, use emergency release handle to disengage door
ONLY when garage door is CLOSED. Weak or broken springs
or unbalanced door could result in an open door falling
rapidly and/or unexpectedly.
• NEVER use emergency release handle unless garage
doorway is clear of persons and obstructions.
NOTICE
Emergency
Release Handle