To determine which one it is follow the steps below.
Garage door opener light does not turn on.
Light socket or logic board unplug the garage door opener then immediately plug the opener back into the electrical outlet.
To install the new bulb just screw it in.
Compact fluorescent light bulbs have a wider base than.
After 90 seconds reconnect the power and see if the lights come on.
Reset the light timer to the lowest setting 90 seconds instead of 4 minutes.
Garage door lights sometimes malfunction.
Unplug the garage door opener then immediately plug the opener back into the electrical outlet.
Since you re up there take the opportunity to also clean out the housing area and be sure to remove dust from the socket.
If your liftmaster garage door light won t turn off or on there is likely a problem with your door s motion sensor or light timer.
First disconnect the garage door opener from all power.
Look for small led lights on the sensors.
Another common cause of light bulb failure i have found is that the brass tab in the bottom of the light bulb socket has been bent down too far and is not making contact and completing the electric circuit.
Plug the opener back in.
If you find that your lights aren t turning off unplug and replug the opener.
If you hear a click replace the light socket if you do not hear a click replace the logic board.
This is an easy fix but caution must be used.
If the light is still not coming on it could be the light socket or the logic board.
Disconnect the unit power.
If they re turned on in both the sensors then there is no issue with the power supply.
There is an electrical issue in the opener.
In this situation the only option is to replace the logic board or the entire garage door opener.
Brass contacts in opener light socket are.
A common cause of a malfunctioning garage door sensor is lack of power supply.
Light bulb needs to be replaced in garage door opener.
Try these steps to fix the issue.
More specifically if your garage door light won t shut off it is most likely due to one of these reasons.
Listen for the light.
If your garage door opener craftsman liftmaster chamberlain genie sommer decko has no power but it is plugged in the circuit breaker is on and you know for sure the electrical outlet has power then there is something in the garage door opener that is faulty.
If your garage door opener light is not working the fix might.
Disconnect the wiring from the opener.
Sensor power reconnect the sensor to its power supply.
Doing so will reset it but don t abuse this tip.
If it s the light socket or logic board.
Then reconnect the opener.