The company that makes the garage door opener should. My STB had 1 red light that was constantly on, blink when beam was broken. The safety sensors are the little black boxes on each end of your garage door near the floor. The red LED light on one sensor should be on solid and not flashing or flickering. Locate your garage door opener sensors attached to the vertical door tracks on each side of the garage door, about 6 inches above the floor. Depending on which brand of opener you own, the transmitter will have either a red or amber LED, and the receiver will have a green LED regardless of the opener brand. Step 4Check the wires connecting the sensors to the opener if your sensor lights aren’t working or appear to blink.
Genie chain and belt drive garage door openers flash the red or green LEDs lights next to the Learn button to signal error codes. Are you have problems with Genie Garage Door? this tutorial to help you and some tips for Genie Garage Door Opener Troubleshooting. The red cord has not been pulled, yet the door seems to be disconnected from the opener. If the light blinks 2 times, pause (repeat) the sensors are either misaligned or obstructed in some way. If status light is not blinking unplug opener, remove cover, check wiring harness and ribbon cable connection, check fuse on motor drive board.
Click here if you would like to see the diagnostic chart breakdown for Linear or Genie garage door openers. However, if the opener does not activate, then short across the red and white wires with a jumper wire. Four flashes is the most common reason your opener lights may be flashing is because of your sensor eyes being misaligned. You probably only have to shield the sensor just enough to put a shadow over it (and not let the sun hit it directly). Another way would be to block the sun from outside of the garage by maybe planting a shrub (test it out by putting your garbage can in line to block the sun when it is low in the sky and see if it works). On mine anyway, the detector has a little LED light that goes either off or on (don’t remember which) when the beam is blocked, and the emitter doesn’t. Why isn’t my Genie keypad communicating with my Genie garage door opener? The other eye, which is the receiving eye, has a green LED light and will blink if not making contact with the sending eye. Genie opener generally have a red LED on both, sometime one will be green and the receiving eye will blink or turn off.
Genie Chain-and-belt-drive Garage Door Opener Error Codes
The garage door did not want to close when she pressed the button on the remote. This is one of the sensors. There are two. One sends a beam of infra-red light to the other. I have a garage door safety beam that blinks when blocked. The garage door opener isn’t engaging/starting to pull the belt. On one of the sensors I had the GREEN sensor cable, the RED sensor cable and the SOURCE sensor cable. I spliced those 3 together (white on white, striped on striped). The laser lights are stable and not blinking.