Test Cable Tension Monitor; Test Automatic Door Lock; To Open The Door Manually; Test The Emergency Release - LiftMaster LJ8900W Mode D'emploi

Adjustments
4

Test Cable Tension Monitor

1. With the door fully closed, push on the front of the cable tension monitor. A click
should be heard. If there is no click, the roller may be hitting the jamb and not
allowing the switch to detect slack in the cable. Make sure the cable tension monitor
is mounted fl ush with the wall and the roller is free from any obstructions.
If your cable tension monitor has been activated the UP and DOWN arrows will fl ash
diagnostic code 3-5, see page 26.
5
Test Automatic door lock (Not Provided)
1. With the door fully closed, the automatic door lock bolt should be protruding
through the track.
2. Operate the door in the open direction. The automatic door lock should retract before
the door begins to move.
3. Operate the door in the down direction. When the door reaches the fully closed
position, the automatic door lock should move into lock position to secure the door.
NOTE: If the automatic door lock does not function, the lock can be manually
released by sliding the manual release handle to the open position.
6

To Open the Door Manually

Disengage any door locks 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 door
operator and lift the door manually.
To reconnect the door to the door operator, pull the emergency release handle straight
down a second time until a click noise is heard from the door operator. The door will
reconnect on the next UP or DOWN operation.

TEST THE EMERGENCY RELEASE:

1. Make sure the door is closed.
2. Pull the emergency release handle. The door should then be able to be opened
manually.
3. Return the door to the closed position.
4. Pull the emergency handle a second time.
5. Reconnect the door to the door operator.
Emergency
Release Handle
21
Roller
Cable Tension
Monitor
Power
Door
Lock
Lock Bolt "Locked"
To prevent possible SERIOUS INJURY
or DEATH from a falling door:
• If possible, use emergency release
handle to disengage door ONLY when
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 doorway is clear of persons
and obstructions.
UP and
DOWN
arrows
Manual
Release