Test Cable Tension Monitor; To Open The Door Manually - LiftMaster 8500WMC Manual Del Usuario

Adjustment
(continued)
5
Test the Power Door Lock
1. With the door fully closed, check to ensure that the power lock
bolt is visible protruding through the track.
2. Press the button on the remote control to open the garage
door. The power door lock should retract before the door
begins to move.
3. Press the button on the remote control to close the garage
door. When the door reaches the fully closed position, the
power door lock should automatically activate to secure the
door.
NOTE: The power door lock can be manually released by
sliding the manual release handle to the open position.
However, if the power door lock does not function, contact
Chamberlain for a replacement.
6
Test the Emergency Release
OPEN THE DOOR MANUALLY:
1. Close the garage door. Slide the manual release handle
on power door lock to open before proceeding.
2. Pull down on the emergency release handle until you
hear a click.
3. Lift the door manually.
RECONNECT THE DOOR TO THE GARAGE DOOR
OPENER:
1. Pull down on the emergency release handle until you hear
a click. The door will reconnect on the next UP or DOWN
operation.
7
Test the Cable Tension Monitor
1. Close the garage door.
2. Pull down on the emergency release handle until you
hear a click.
3. Press on the front of the cable tension monitor, you
should hear a click.
4. Reconnect the garage to the garage door opener.
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 flush with the wall and the roller
is free from any obstructions.
When the cable tension monitor has been activated, the LED on
the garage door opener will blink 9 times.
Power Door Lock
Power Door Lock
Manual Release
Manual Release
Lock Bolt
Lock Bolt
"Locked"
"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.
Emergency
Release Handle
LED
22
Cable Tension
Monitor
Roller