|
|
|
|
Common
causes that make your garage door opener open the door on its own
are:
|
|
| Possible
Cause: |
Resolution: |
| Neighbor with the
same garage door opener |
Change the access
code or reprogram your remotes.
|
| Neighbor with a similar
garage door opener using the same frequency |
Change the access
code or reprogram your remotes.
|
| Short in the wall
button |
Remove wall button
wiring for a few days from opener to troubleshoot. Replace wiring and
wall button.
|
| Short in the wall
button wiring |
Remove wall button
wiring for a few days from opener to troubleshoot. Replace wiring and
wall button.
|
| Short in the wired
keypad |
Remove wired keypad
for a few days from opener to troubleshoot. Replace wiring and keypad.
|
| Short in the wiring
to the wired keypad |
Remove wired keypad
for a few days from opener to troubleshoot. Replace wiring and keypad.
|
Short in the safety
beam sensor wiring
|
Replace wiring
to safety beam sensors to troubleshoot. Upgrade from 22 guage wiring
to 16 guage. Cold temperatures can affect the wiring and cause a short.
Lower guage wiring is thicker. Check for pinches, frays, or cuts in
the wiring that can also short the wiring. Stapling the wiring is a
common cause for shorts because it cuts through the plastic coat of
the wiring and shorts the system.
|
Short in the safety beam sensors
|
Safety beam sensors
may be defective. Replace safety beam sensors to troubleshoot. If you
have two identical garage door openers, remove the safety beam sensors
from the other opener and add them to the non-working garage door opener
to troubleshoot.
|
Short in the garage
door opener circuit/logic board
|
Circuit/Logic
board may be defective. Replace circuit board to troubleshoot. If you
have two identical garage door openers, remove the circuit board from
the other opener and add it to the non-working garage door opener to
troubleshoot.
|
Short in the garage
door opener receiver board
|
Receiver board
may be defective. Replace receiver board (receiver board may be internal
or external - internal means inside the powerhead - external is a separate
box outside the powerhead) to troubleshoot. If you have two identical
garage door openers, remove the receiver board from the other opener
and add it to the non-working garage door opener to troubleshoot.
|
Short in the wiring
from external receiver
|
Receiver board
may be defective. Replace receiver board (receiver board may be internal
or external - internal means inside the powerhead - external is a separate
box outside the powerhead) to troubleshoot. If you have two identical
garage door openers, remove the receiver board from the other opener
and add it to the non-working garage door opener to troubleshoot.
|
Your remote is sending
random signals (if defective or if the remote is becoming defective)
|
Remove battery
from remote for a few days and see if problem continues. Replace remote
if necessary.
|
Nearby radio station or radio tower or electric tower
|
Change the access
code or reprogram your remotes. Try a different receiver and transmitter
kit on your machine if problem continues. Some kits we have available: GIRU-1T, 635LM-1T, 1090-1T and
more...
|
CB radios
|
Try a different
receiver and transmitter kit with a different frequency than the one
you are currently using (check your receiver for the frequency - MHz).
This will Some kits we have available: GIRU-1T, 635LM-1T, 1090-1T and
more...
|
Police radios
|
Try a different
receiver and transmitter kit with a different frequency than the one
you are currently using (check your receiver for the frequency - MHz).
This will Some kits we have available: GIRU-1T, 635LM-1T, 1090-1T and
more...
|
Nearby Police or
Fire station
|
Try a different
receiver and transmitter kit with a different frequency than the one
you are currently using (check your receiver for the frequency - MHz).
This will Some kits we have available: GIRU-1T, 635LM-1T, 1090-1T and
more... |
Nearby Hospital
|
Try a different receiver
and transmitter kit with a different frequency than the one you are currently
using (check your receiver for the frequency - MHz). This will Some kits
we have available: GIRU-1T, 635LM-1T, 1090-1T and
more... |
| Faulty eletrical
wiring in garage |
Plug garage door
opener into an outlet at a different circuit. Use an extension cable
if necessary. |
| Power surge/Short
in the electrical outlet |
Plug garage door
opener into an outlet at a different circuit. Use an extension cable
if necessary. Use a surge protector for your garage door opener. Some
Lift-Master machines can use MOV Lightning/Power Surge Suppressor Kits 41A5530, 41A5530-1, 41A5530-2. |
|
Close
