Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+
I have a sears 1/2 horse model 139.53975srt1. The motor does not seem to come on. when I push the wall switch,keypad switches etc all I hear is a click coming from the unit. everthing else seams to work properly(lights, photo-electric door sensor) the unit is not very old(7 yres)
note: i dont know if this matter but the keypad back lighting also blinks a few times after I punch in the code(i dont recall if this is normal)
I unplugged the main powerfrom the outlet to "reset" it but no luck.
any help would be appreciated
YOU MAY HAVE A BAD MOTOR STARTING CAPACITOR OR CIRCUIT BOARD GOTO LIFTMASTER.COM AND DOWNLOAD THE FREE PDF FILE FOR A MODEL 3280 THE TROUBLESHOOTING GUIDE IN THIS MANUAL SHOULD HELP.
Posted on May 28, 2010
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Posted on Jan 02, 2017
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