From: Ken@invalid.com   
      
   bob prohaska wrote:   
   > RonTheGuy  wrote:   
   >> 2-car garage door won't open but five inches under certain circumstances.   
   >> Closes just fine.   
   >>   
   >> However   
   >> (1) If I open from the inside wall switch, it always opens.   
   >> (2) But if I open from the remote control, it often stops after 5 inches.   
   >>   
   >> You'd think it's the remote but when I use the outside remote that is   
   >> mounted to the wall, it does the same thing, so it's not the remote per se.   
   >>   
   >> Replaced the remote batteries anyway.   
   >> Same thing.   
   >>   
   >> The springs are big fat dual springs, which are about five years old or so.   
   >> If they're "sagging", I don't see any physical evidence of that weakening.   
   >>   
   >> There was an original red paint line which the manufacturer painted onto   
   >> the unwound spring which is now a spiral when wound, understandably so.   
   >>   
   >> I had painted a thin white line across the wound springs when they were   
   >> installed and that line doesn't appear to have moved. It's still straight.   
   >>   
   >> I air blasted the rollers and track and greased but it made little to no   
   >> difference and I cleaned the mechanism inside the garage door opener.   
   >>   
   >> What appears to be what's happening is the garage door opener, which has to   
   >> be twenty years old if not older, is suddenly "needing" more time to start.   
   >>   
   >> Can that be?   
   >> Is there an adjustment in the garage door opener itself for pulse time?   
   >>   
   >> Since the door opens fully if it has "more time" on the switch,   
   >> is there any way to make a remote 'stay on' longer than just a pulse?   
   >   
   > I've seen lots of erratic behavior with a Genie keychain remote when   
   > the conductive rubber buttons get lint between the rubber pad and the   
   > circuit board. Not likely to be any help, but it's an easy thing to clean.   
   >   
   > Anything that causes contact bounce in the switches on the buttons can   
   > make the receiver stop, since the control program is usually close to   
   > start, close again to stop, close to reverse direction.   
   >   
   > hth,   
   >   
   > bob prohaska   
   >   
   I think you are on the right path.  I would open the receiver and clean   
   any contacts it had as well as check the caps in it.  If there is any   
   interruption in the start of the closure effort, it will abort.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)