Question about Sears Craftsman LiftMaster Chamberlain Garage Door Opener Wireless Keypad Model 976LM Security+

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Garage door wont open,moto running ,chain not moving

3m ago sevice tech tightend chain for noisy door opening and closing as part of routine maintenance
3 days ago door will open 3rd or a half and after coaxing the remote it would open fully
today it wont open
its a sears model 139.53646srt1
120 v
5 amps
60 hz
lt in 96
thank you all for helping the lay public -

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Call service man back and try adjusting up force

Posted on Jan 15, 2009

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