X-10 Maxi Controller Strange Behavior

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I have an old SC503 X-10 Maxi Controller.  Its main use is for me to
press "all off" when going to bed at night.  Recently, it stopped
sending the all-off command.  However, I can still send commands to
individual modules.  For example, pressing "6", "7", "off" works fine,
but pressing "all off" does nothing.  (The bedroom lights happen to be
D6 & D7).  That makes it sound like the problem is the switch itself,
but the indicator LED still operates normally so the switch must still
work.  

Any ideas?
Pat
  

Re: X-10 Maxi Controller Strange Behavior
On 3/9/2015 4:43 PM, Pat wrote:
Quoted text here. Click to load it

I always suspect line noise first, since the controllers seem to last  
forever.  Try moving the controller to another outlet (preferably on the  
same circuit as the devices to be controlled).  Remove any compact  
fluorescent/LED bulbs you may have installed recently.  IE make darn  
sure, in an optimal signal setting, the controller is indeed bad.


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