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[Rockhoppers]

How do you set the code on a LM15U with a CM15A

Any ideas.....?

Andrew

[Brian H]

Some have found setting up a dummy chime module in AHP screen with the address wanted.
Then power up the LM15 and activate the chime module 3 times within 30 seconds of power up.
You could use a table lamp next to the CM15A to make it easier and then put the LM15 where you want to install it.

[JimC]

I have used the method Brian describes and have found it to work flawlessly. Just make sure that the socket rocket is in a lamp plugged into the same outlet as the CM15A.

[Rockhoppers]

gave that a try, not made any difference !

any other suggestions ?

Andrew

[JimC]

This is probably stating the obvious but did you make sure that the lamp was turned on? I always check first without the socket rocket.

[Rockhoppers]

LOL.... yup i did check to obvious !

Twice to be exact !

Andrew

[JimC]

The default code for the socket rocket should be A1. are you able to turn it on and off using this code and AHP?

Jim

[Rockhoppers]

No joy with that i am afraid.....

To throw a spanner in the works, it was a second hand unit of E-bay ! But no reason to assume it does not work, the seller has confirmed it worked fine, maybe i will try and ask him what code he had it set to.

Andrew

[Brian H]

When you first apply power is it Off?
If it is stuck On it is bad.

[Rockhoppers]

It is on !

When i put power to it, the light shines, but won't go off !

Bad Unit ?

Andrew

[Rockhoppers]

Here is another curve ball...

I have CM15A plugged into a 240V to 120V transformer, as i can't get a 240V CM15A yet....and i live in the UK.

All the wireless units, (Motion Detectors and key fobs) work just fine. but not had great sucsess getting any hard wired units to work !

Is the transformer an issue ?

Andrew

[caudill22]

I would suspect that the socket rocket is bad because the default operation is off. When initially screwed into the lamp the socket rocket must receive an on command to activate, it remains off until it receives the on command. Is the lamp on a 240V circuit? I wonder if that might have something to do with it??? Either way it should not come on when you screw it in the lamp until the on command is sent. You either have a bad socket rocket or if it is on a 240V circuit that may also be the explanation. Maybe someone else on here has experience using the socket rocket on a 240???

[Brian H]

I believe the LM15U is 240 Volt. LM15A is Americas and 120 Volt.

[Rockhoppers]

Yup, it is all on a 240V circuit !

The Rocket Socket is a 240V on, it is just the CM15A that is a 120V running on a transformer at 240V

Andrew

[Charles Sullivan]

Yup, it is all on a 240V circuit !

The Rocket Socket is a 240V on, it is just the CM15A that is a 120V running on a transformer at 240V

Andrew

The usual problem is that the X10 signal cannot get past the transformer back to the power line.  What can be done is connect a capacitor with the  appropriate rating between the primary and secondary hot leads of the transformer to act as a signal bridge.  However these are potentially lethal voltages so you've got to be very careful that your wiring does not represent an electrocution or fire hazard.