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Author Topic: CM15A will not turn lamp ON but MT13a does  (Read 2756 times)

rrio

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CM15A will not turn lamp ON but MT13a does
« on: November 14, 2010, 09:55:09 AM »

I cannot get the CM15A to turn ON a lamp at a particular wall outlet to which I have a lamp module plugged.  I can, however, get the lamp to turn ON using a MT13A mini timer from the same outlet as where I connect the CM15A.  Is my CM15A generating a weaker ON signal, or is it defective?  Any advise and solutions?
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Brian H

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Re: CM15A will not turn lamp ON but MT13a does
« Reply #1 on: November 14, 2010, 09:59:26 AM »

If the lamp module is a soft start version. Where it ramps on and off.
Try defining the module in AHP as a LM14A.
http://kbase.x10.com/wiki/SoftStart
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rrio

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Re: CM15A will not turn lamp ON but MT13a does
« Reply #2 on: November 14, 2010, 10:15:57 AM »

I think I've tried that, but I'll try it again. Thanks, Raul
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Knightrider

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Re: CM15A will not turn lamp ON but MT13a does
« Reply #3 on: November 14, 2010, 10:17:15 AM »

Yes, I do believe the CM15A has a weaker transmitter.
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rrio

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Re: CM15A will not turn lamp ON but MT13a does
« Reply #4 on: November 14, 2010, 10:23:38 AM »

I wonder if there is a fix available or in the plans.
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Brian H

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Re: CM15A will not turn lamp ON but MT13a does
« Reply #5 on: November 14, 2010, 11:06:16 AM »

It could be a marginal X10 power line signal and the CM15A maybe slightly weaker.
Have you done any tests to see if you have signal suckers or power line noise makers?

I have seen a signal test of a CM15A and it was stronger than a few other X10 senders.

Though who knows with X10.
I do know the latest Lamp and Appliance modules along with the TM751 have been completely redone. With more readily available parts. Maybe the latest CM15As are also a redesign.
« Last Edit: November 14, 2010, 12:30:24 PM by Brian H »
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evadorev

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Re: CM15A will not turn lamp ON but MT13a does
« Reply #6 on: November 14, 2010, 07:00:14 PM »

is it the timers and macros that doesn`t work?

if it so, try to name it on module def: lamp module (basic one).

for strange reasons some new modules don`t understand the extended codes transmitted, you have to change it for more basic ones especially if you have weak signal or transmissions just like the one transmitted by the CM15A
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