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Genie 8600 Pro Screw Drive Garage Door Opener Operates Intermittently

About two weeks ago, my garage door opener started operating intermittently. It would open the door slightly, then stop. Then we'd have to close it and open it again. This week it got worse. It might open it once, but won't be able to close it. Instead, it just sits there and hums. After a while, maybe an hour, it would work again once, but repeat the failure.

This problem is similar to a problem I had with another, older model, which I documented in the "Genie Screw Drive Garage Door Opener Operates Intermittently " thread.

Sun, 15 Nov 2015 09:37:17 +0300

The photo below shows the full model number of this 1/2 HP garage door opener... CM8600IC/A

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Sun, 15 Nov 2015 09:39:57 +0300

After calling Genie technical support, the tech recommended changing the capacitor. Apparently, capacity wearing out and failing over time is a reoccurring problem for all Genie screw drive garage door openers.

Motor Start
Type CA 50/60Hz
70uF (-16 / +0%)
CW 47.06

Attached Image:


Sun, 15 Nov 2015 09:44:16 +0300

I happened to have a brand new 19988-A capacitor for the other, older model, Genie garage door opener that I was trying to fix. It's dark brownish in color rather than white. But the spec looks about the same. Following is the label for the 19988-A:

70MFD 220VAC
-40/065/21 60Hz
LOT 61146178 21/03/2012 10:31

I decided to try this capacitor with the Genie 8600 Garage Door Opener. It worked! The garage door moved up and down with no problems whatsoever.

Sun, 15 Nov 2015 09:47:19 +0300

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Title: Genie Screw Drive Garage Door Opener
Weblog: GearHack
Excerpt: The English manual for IS, ISL, IC, H series.
Tracked: Thu, 16 Nov 2017 14:16:24 -0800

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