Can you hear any motro sound?

How do you know the motro is not working? Did you hear any motro sound?

If you cannot hear any motor sound, I suggest you change the whole garage opener unit, < $ 150.


http://www.amazon.com/Chamberlain-PD210D-2-Horsepower-Security-Plus-Chain-Drive/dp/B00006K010/ref=sr_1_1?s=hi&ie=UTF8&qid=1389300400&sr=1-1&keywords=garage+door+opener
 

所有跟帖： 

• I just heard a click sound and wunnnnn noise after i plug in th -白萝卜- ♀ (57 bytes) () 01/09/2014 postreply 13:19:53

• 这说明马达是好的，只换齿轮就行 -花$$$- ♀ (0 bytes) () 01/09/2014 postreply 15:26:37

• 要是马达是好的就省$$了. 可为什么插上电源后不转呢? 谢谢花$$$ -白萝卜- ♀ (0 bytes) () 01/09/2014 postreply 17:01:22

• 因为齿轮磨没了，咬合不上，带不起来。 -花$$$- ♀ (0 bytes) () 01/09/2014 postreply 18:36:08

• 因为齿轮磨没了，咬合不上，带不起来。 -花$$$- ♀ (0 bytes) () 01/09/2014 postreply 18:36:24