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Situation
Troubleshooting
(continued)
Probable
Cause & Solution
The door opens but
won't close:
1.
2.
If the opener lights blink, check the safety reversing sensor. See page 22.
If the opener lights do not blink and it is a new installation, check the down force. See
Adjustlnent Step 2, page 29. For an existing installation, see below.
Repeat the safe O' reverse test after the adjustment
is complete.
The door reverses for no
apparent reason and
opener lights" don't
blink:
1. Is SOlnething obstructing the door? Pull the elnergency release handle. Operate the door
lnanually. If it is unbalanced or binding, call for professional garage door service.
2. Clear any ice or snow froln the garage floor area where the door closes.
3. Review the force adjustlnent procedures on page 29.
4. If door reverses in thefidly closed position, decrease the travel lilnits (page 28).
Repeat the safety reverse test after adjustments
to force or travel limits. The need for
occasional adjustment
of the force and limit settings is normal. Weather conditions
in
partienlar
can affect door travel.
The door reverses for no
apparent
reason
and
opener
lights blink for
5 seconds" after
reversing:
Check the safety reversing sensor. Relnove any obstruction or align the receiving eye. See
pages 12 and 22.
The opener lights'...
don't tnrn on:
Replace
the light bulb(s)
(100 watts lnaximuln).
Use a standard
neck garage
door opener bulb
if regular bulb burns out.
don't tnrn off"
Is the Light feature
on? Turn it off.
The opener strains
or
maximum
force
is
needed
to operate
door:
The door may be om of balance
or the springs
are broken.
Close the door and use the
emergency
release
handle
to disconnect
the trolley. Open and close the door lnmmally.
A
properly
balanced
door will stay in any point of travel while being supported
entirely
by its
springs.
If it does not, disconnect
the opener
and call for professional
garage
door service. Do
not increase
the force
to operate
the opener.
The opener
motor
hunts
briefly,
then
won't work:
1.
2.
The garage door springs are broken. See above.
If the problem occurs on the first operation of the opener, door may be locked. Disable the
door lock.
Repeat the safe& reverse test after the adjustment
is complete.
The opener won't
operate
dne to power
failnre:
1. Use the elnergency release handle to disconnect the trolley. The door can be opened and
closed lnanually. When power is restored, press the Wall Control push bar and trolley will
autolnatically reconnect (unless trolley is in lockout position.) See page 32.
2. The Emergency Key Release accessory (for use on garages with no selwice door)
disconnects the trolley from outside the garage in case of power l:ailure.
35
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