[Shop-talk] Garage door opener problem

[Dave Cavanaugh]

I decided to just get a new logic board.  After a little poking around 
on the Chamberlain and other sites I found the replacement. You can get 
them on Amazon, of course....


On 9/14/2014 7:39 PM, Pat Horne wrote:
> You can swap the board between openers to see if that is the problem. If it
> is, the replacement board shouldn't cost over half the price of a new
> opener.
>
> Peace,
> Pat
>
> -----Original Message-----
> From: Shop-talk [mailto:shop-talk-bounces at autox.team.net] On Behalf Of Dave
> Cavanaugh
> Sent: Sunday, September 14, 2014 9:36 PM
> To: shop-talk
> Subject: Re: [Shop-talk] Garage door opener problem
>
> Thanks for all the quick replies.
>
> I disconnected the traveler from the door so there was no load on the opener
> and it still does exactly the same thing.  I re-checked the photo cells and
> they are good.  If I block the beam, the light in the receiver goes out.
> Everything seems tight and well adjusted.
>
> I think something has crapped out in the electronic guts of this thing.
>
>
>
> On 9/14/2014 7:20 PM, David Scheidt wrote:
>> On Sun, Sep 14, 2014 at 8:31 PM, Dave Cavanaugh <cavanadd at frontier.com>
> wrote:
>>> I have a pair of Chamberlain PD200 openers in the garage.  They are
>>> about 15 years old and until just recently have been flawless. Lately
>>> the one on my wife's side (naturally) has gotten flaky.  As soon as
>>> you push the button to close it, it reverses and the light flashes.
>>> Opening is normal.  If you hold the wall mounted (hardwired) button
>>> down it will close and stay down, but it will no longer close with
>>> the clicker.  When the problem first started the door would partially
>>> close before reversing, but now it doesn't even move.
>>>
>>> I adjusted the photocells, lubricated everything, and adjusted the
>>> sensitivity pots and turned the open and close distance pots through
>>> a few turns.  For a few cycles it worked ok and then reverted to it's
>>> bad behavior.  I called the local residential/commercial GDO
>>> business, who also installed the opener in my shop a few years ago. I
>>> wasn't here, but according to my wife he lubricated everything with
>>> "something heavier than WD40", "adjusted" it and left.  It worked for
>>> a week.  I looked yesterday and he had turned the sensitivity pots
>>> all the way up to 11.  So, $100 down the toilet.
>> Pull the cord to release the door.  Make sure it works right, your
>> problem could easily be a broken spring, a jammed roller, a bent track
>> or the like.  (Yes, I've see a broken door cause "one opener doesn't
>> work, the other does", more than once.)  Assuming the door is fine,
>> train your remote to open your wife's opener, and see if that makes a
>> difference.  If it does, change the battery in hers, train it to your
>> door, and call it day.  If it doesn't, go buy a new one.  I'm pretty
>> sure chamberlain are using the same mounting setup they have for many
>> years, so that it's a breeze to replace just the head.
>>
>> If your door is broken, call another company to fix it.  And check the
>> other side, it may be failing the same way.
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