Step 2 remove obstructions between the remote control and the door.
Garage door opener range decreased.
With nothing energized except the opener.
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If the range improves then the interference is coming from a device in the garage.
Liftmaster 41a3504 residential garage door opener antenna extension kit.
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When i am inside the garage and about to leave my building under the garage s sensor homelink works fine and opens the door to let me out.
A lower voltage in the battery will reduce the garage door opener s range.
One by one plug whatever was on the same circuit as the opener back in checking for the reoccurance of the rf problem after each device is plugged back in and energized.
The batteries provide the power to send the signal.
Many different electronic devices can cause radio frequency interference which will reduce the range of the garage door opener remote or cause it to work intermittently.
To isolate potential sources of interference turn the circuit breaker off to the garage and plug the garage door opener into an extension cord from another room.
Step by step process of elimination is the best way to determine what is causing the decreased range on the garage door opener remote.
Modern units operate on a range of 315 mhz and vintage gadgets function at 390 mhz.
If you have trouble with remote control range and your garage door opener system was manufactured before 1993 photo eyes required its time to invest in a new system.
I then have to fish around for the original remote opener which works fine.
Place a stepladder at the area of the garage door.
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Chamberlain liftmaster has new garage door openers that run on dual and tri band frequency meaning the remote controls will automatically determine the best signal to use.
New and old garage door openers have a different frequency.
Unplug anything that is on the same circuit as the opener.
In order to change the frequency for a modern device you must install another circuit board.
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If the problem goes away it is interference.
Any garage door opener in las vegas that was manufactured before 1993 probably has multiple dipswitches.
