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eniessen

06:17PM | 07/31/06
Member Since: 07/30/06
3 lifetime posts
Bvelectrical
Need help!

We just had a bad thunderstorm roll through our area and now my model 139.53663SRT1 Craftsman 1/2HP Garage Door Opener will not open or close. I have power to both the unit and the wall control but when I hit the open button all that I hear is a click on the unit like a solanoid activating but the motor does not start nor do the garge lights come on. The lights do not go on when I hit the light button on the wall unit either. Did the logic board get fried in the storm? Any ideas what could be wrong?

Thank you

Billhart

06:56PM | 07/31/06
Member Since: 04/25/05
1918 lifetime posts
The fact that the light does not come on when the you press the light button does point to the problems with the control board.

However, try this first. Disconnect the manual control and just jumper a wire across the opener terminals.

The manual control has a couple of parts in that that *might* have been damaged without damaging the control board.

A long shot, very, very long. But the test is simple and free.

If not that then it looks like a replacement board.

Don't know what sears charges, but you can get one from here.

http://www.aaaremotes.com/liftmastercompatibilitychart.html

And other online places, but this one has a cross reference.

Don't know anything about them except they have lots and lots of good info on their website.


eniessen

10:43AM | 08/01/06
Member Since: 07/30/06
3 lifetime posts
I am a novice so I am not sure what the manual control is or where it is located. I have a schematic of the unit and have taken the housing off but am not clear where I am supposed to use a jumper wire to test it. Would you describe what I should be looking for and what should happen when I do the jumper wire.

Thank you

Billhart

05:10PM | 08/01/06
Member Since: 04/25/05
1918 lifetime posts
Byt manual control I am talking about the wall mounts switch (actually switches as it has the light function and if it is like my Chamberlain belt drive a lock function switch).

Disconnect the cable for the wall switch at the opener.

And then use a plain piece of wire between the terminals on the opener.

Just make sure that you are in a possition that is clear of the door if it opens.

As I said this is a very, very long shot.

I suspect that the control board in the unit .

But this reminds me have you gone through the trouble shooting section in the manual. Another service part is the RPM sensor, but I don't remember the symptoms if that is bad.


ramsey76

08:44AM | 08/05/06
Member Since: 07/07/06
75 lifetime posts
Make sure the GFCI circuit for the garage door did not trip and needs to be rest

KravJeff

05:33PM | 09/06/06
Member Since: 09/05/06
6 lifetime posts
Greetings -

I was just browsing the 'net looking for info on my opener, and came across this thread.

I have a similar problem. The difference is; our light still works, and when we use the wall mounted opener (button) the unit "clicks" and the yellow light in back flashes just no motor. Also, our second door works fine (we have a 3 car and the problem is on the large door).

Any thoughts are greatly appreciated.

KJ

Billhart

01:35PM | 09/07/06
Member Since: 04/25/05
1918 lifetime posts
You have a completely different problem.

What is the brand? Model number? And the type (screw, chain, or belt?).

What is the approximate age?

How many times does it flash?

What about the light bulb? That some times also is used for an problem indicator.

Try disconnecting the door from the opener and see what happens.


eniessen

03:13PM | 09/07/06
Member Since: 07/30/06
3 lifetime posts
The circuit board was blown and one of the photo-eyes was not working. I replaced the board and wired in a new set of photo-eyes and it is now working good as new.

Thanks for everyone's help!

Thank you

KravJeff

10:09PM | 09/07/06
Member Since: 09/05/06
6 lifetime posts
Sounded similar to a guy who's lucky he remembers to open it before backing out.

It's also a Craftsman 1/2 HP chain drive that was installed April 1998. The yellow light on the back flashes once, then a long pause, then flashes five times. Interesting that you bring up the light bulb; we've had a problem with them burning out quickly for quite sometime - I didn't think to mention that though I always wondered if it indicated a problem with the opener. If by disconnecting the door from the opener you mean releasing the latch so that the door moves freely (independantly of the opener) I've done that - No change.

Thanks - I'll keep watching ...

KravJeff

10:14PM | 09/07/06
Member Since: 09/05/06
6 lifetime posts
Sorry - Model number 139.53674SRT2 ... Also, the light in the back flashes five times continuously, not 5 then stop.

Thanks again
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