Liftmaster Garage Door Opener Troubleshooting 5 Flashes

The flashing led indicator was blinking 5 flashes which indicated either motor or circuit board problem.

Liftmaster garage door opener troubleshooting 5 flashes.

The chamberlain liftmaster craftsman garage door opener wall buttons will flash when the opener is placed in lock out mode. If the light flashing persists then the problem may be wire related. The garage door opener flashing wall button is completely different from photo cell led light being out or the motor head led light flashing. There is a short or reversed wire for the safety sensors.

Whether you have a belt drive chain drive or wall mount model find helpful resources manuals videos and more to help you diagnose and fix the problem. Button or wall panel push button is flashing. Since the motor itself rarely fails as claimed by th. Liftmaster garage door opener light flashing 5 times posted on june 14 2020 by bandi ruma garage opener light blinking a garage door opener light won t shut off garage door opener motor garage door opener motor residential jackshaft opener the rjo.

If sending eye indicator light glows steadily attach the receiving eye. Remove sensors from brackets and shorten sensor wires to 1 2 ft. It might be time for a maintenance check to determine if your wiring is to blame for the continuous blinking. Liftmaster motors will not operate when something obstructs the infrared beam between the safety sensors at the bottom of the garage door tracks.

Safety sensors are not installed connected or wires may be cut. The garage door opener will not close and the light bulbs flash. The garage door opener will not close and the light bulbs flash. To prevent the garage door from injuring someone in the door or damaging an item in the way of the door all models of liftmaster garage door openers come installed with a safety sensor.

For the door to close correctly without reversing the safety sensors need to be aligned perfectly and there should be nothing in the way of the light beam. Align sensors if the indicator lights glow replace the wires for the sensors. Troubleshooting a liftmaster opener with a flashing light involves inspection of the safety reverse sensing system. Inspect sensor wires for a disconnected or cut wire.

Reattach sending eye to motor unit using shortened wires. 30 60 cm from back each of sensor. Simply hold down the lock button on the wall control for about two seconds to disengage the lock.