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[PLCGuru]

Been using X10 since the end of the Disco era     So I know the limitations of X10.  I know about finding noise, filtering noise, signal suckers, line couplers, RF TX & RX units, repeaters, JV's XTB, neighbours with similar house codes, low batteries in motion units sending codes, etc.
I recently replaced my CM11, which was working flawlessly with AH for the last 8 years.  I upgraded to the CM15A and AHP version 3.301.  I have a very simple system, 9 modules and 2 macros.  The macros work great. This is my problem.  After observing my new system for the last 4 weeks, I think I have a defective CM15A.  In the middle of the night, when all modules in the house are off, I sometimes get a randon turn-on of module P1.  This is with the CM15A NOT connected to my computer.  If I clear the memory, remove batteries and reprogram, I'm good for a few days.  After a few days, I start getting other modules randomly starting in the middle of the night.  Clear the memory again, same scenario, but now I wake up to a different module number that has randomly turned on.   If I run the CM15A connected to the computer with usb, It seems to work fine.  Has anyone out there experienced this?  I'm ready to replace the CM15A. 

[Dan Lawrence]

I would suggest getting AHP version 3.228.   Since you have a simple system, that should work fine for you.  As to the CM15A, I got mine in July 2005 and it's still working fine.  You can get 3.228 at http://www.x10.com/support/rev_ahp.htm as a .zip file.

[PLCGuru]

I appreciate your thoughts but I don't understand the logic in going back to an earlier version of the software.

[Dan Lawrence]

For a simple system (NO PLUG-INS) you don't need more than 3.228.  You want your timers to work properly.   

[PLCGuru]

Thanks Dan.  Now I understand you!  I should have told you I have all of the plugins installed that came with my CM15A, but I'm only using AHP.   The plugins are not being utilized at this time.  Perhaps in the future I might expand the system and start using the other plugins.  Now that I have the plugins installed, can they be removed? 

[PLCGuru]

For a simple system (NO PLUG-INS) you don't need more than 3.228.  You want your timers to work properly.   

Hi again Dan. I reported wrong, I am actually using the Smart Macro Plugin.  But that's it and it works great!

I love how the macros work and program on the CM15A.  Light-years ahead of the older AH.

Thanks, Anthony

[Tuicemen]

PLCGuru
You should ugrade to version 3.304 it is a better version then 3.301.
 

[Noam]

For a simple system (NO PLUG-INS) you don't need more than 3.228.  You want your timers to work properly.   

Dan -
I thought you were able to get a stable system with later versions, after you did a complete uninstall and reinstall a little while back.
Did your system go south again?

[Dan Lawrence]

My system is running fine.  I did go back to 3.296 and as of today, all timers run as established.   I do not use any plug-ins, my X10 system does not need them.

[beelocks]

OP states that the CM15A is not connected to a computer.

Does the version of the software change the way the interface works when it is operating in stand-alone mode? 

[PLCGuru]

Hey Guys, please don't hijack my thread.  I did the upgrade to 3.304 a few hours ago and again I find I have a module turning on at random.  In my activity monitor, which I am not 100% used to yet, I see this event described as "Transmit" and it's module number.  It didn't "Receive RF"  Anyone out here have any thoughts on this?

[Tuicemen]

Is the recycle bin in AHP empty?
purge macros
Clear your interface
empty the recycle bin
then update the interface.
Sometimes old macros & timers don't get cleared and continue to fire.
It has also been noticed that old deleted timers macros that are still in the recycle bin continue to work.
 

OP states that the CM15A is not connected to a computer.

Does the version of the software change the way the interface works when it is operating in stand-alone mode? 

Possibly, X10 added options for softstart modules.
as well as some other fixes.

[Brian H]

Separate section for older Lamp Modules and the new soft start Lamp Modules was added.
http://www.x10.com/support/rev_ahp.htm

[PLCGuru]

Is the recycle bin in AHP empty?
purge macros
Clear your interface
empty the recycle bin
then update the interface.
Sometimes old macros & timers don't get cleared and continue to fire.
It has also been noticed that old deleted timers macros that are still in the recycle bin continue to work.
 

OP states that the CM15A is not connected to a computer.

Does the version of the software change the way the interface works when it is operating in stand-alone mode? 

Possibly, X10 added options for softstart modules.
as well as some other fixes.

Thanks Tuiceman, I will check the recycle bin as soon as I get home.   One bit of info you might find interesting, one of the modules that turns on by itself has no timer programmed into it.   It's a module in the system that, at this time, has no timer or macro associated with it.   

[Noam]

Have you tried changing the Unit code of that module, and perhaps setting a different one to that code, and see if the randomness follows the module or the unit code?

There is a somewhat common issue with the wall swtiches, which are prone to random turn-ons from electrical noise.
I ended up replacing all of mine with switches from Smarthome, instead.