41a5021-3e Yellow light on back flashing, and the remotes do not work. Tried to reprogram but still no luck
Building Materials - Sears - LiftMaster - Craftsman LiftMaster Chamberlain Garage Door Opener Wireless...
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Answers & Comments
Random flashing of that light is normal. Rapid flashing is a sign of interference. Make sure the light in the wall control is not flashing. If it is press and hold the lock button for 3 seconds. Your logic board may be bad.