Chamberlain HD920EV Manuale Utente
41
To prevent possible SERIOUS INJURY or DEATH
from a falling garage door:
• If possible, use emergency release handle
from a falling garage door:
• 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.
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.
obstructions.
• NEVER use handle to pull door open or closed.
If rope knot becomes untied, you could fall.
To Open the Door Manually
NOTIC
E
NOTIC
E
DISCONNECT THE TROLLEY
1
1
The door should be fully closed if possible.
2
Pull down on the emergency release handle so the trolley release
arm snaps to the vertical position. The door can now be raised
and lowered as often as necessary.
and lowered as often as necessary.
RECONNECT THE TROLLEY
1
1
Pull the emergency release handle toward the garage door
opener so the trolley release arm snaps to the horizontal
position.
position.
The trolley will reconnect on the next UP or DOWN operation, either
manually or by using the door control or remote control.
manually or by using the door control or remote control.