Installation manual

28
The GTO, Inc. Technical Service Department is open
Monday – Thursday 7:30 A.M. – 5:30 P.M.
and Friday 8:00 A.M. – 12:00 P.M. (Eastern Time)
Telephone [phone] • [phone]
If the Opener Does Not Work:
Be sure the opener power switch is in the ON position then follow the diagram below.
NO
NO
NO
NO NO
NO
NO
YES
YES
YES
YES
YES
YES
YES YES
Does the
Yellow LED light
blink when the
transmitter button
is pressed?
Is the
transformer
plugged in and
AC power
present at the
outlet?
Call the GTO Technical
Service Department at
1-800-543-1236
Is the Green LED
light on?
Has the
battery been
allowed to charge for
at least 1 hour after
installing the
transformer?
Has the
battery been
allowed to charge for
at least 1 hour after
installing the
transformer?
The Red LED should cycle on
and off as it trickle charges the
battery. If the Red LED stays on,
check the battery connections. If
the opener does not function
immediately, allow1 hour for the
battery to recharge.
Replace the 15 AMP
fuse. Never replace with
a higher AMP rated fuse.
If the opener does not
function immediately,
allow at least 1 hour for
the battery to recharge.
Restore AC power to the opener
and allow at least 1 hour for the
battery to recharge.
Restore AC power to the opener
and allow at least 1 hour for the
battery to recharge.
Is the 15 AMP
fuse blown?
Is the Red LED
light on?
Repeat the procedure for
setting your transmitter
code, found on page 23.
Start here:
Fax [phone] • Web site: www.mightymule.com
E-Mail: [e-mail]
The Gate CLOSES Then OPENS Partially on its Own:
1. Check the position of the mounting brackets and readjust if necessary.
2. Check the gate for binding or hinge damage.
3. Closed position is set too tight and binds.
The Gate OPENS Then CLOSES Again on its Own:
1. Check the position of the mounting brackets and readjust if necessary.
2. Check the gate for binding or hinge damage.
3. Binds against the open position stop.
If you are unable to make a diagnoses from this chart, please call the GTO Technical Service Department
at 1-800-543-1236. We can resolve most installation issues over the phone in just a few minutes. Please use
a phone that will allow you to call from your gate.