I have a TM751 receiver, and HR12A and KR19A transmitters that have been working fine for over a year.
I have a CM17A plugged in to a Linux server in my basement, that had also been working fine for the same period.
Recently the CM17A appeared to stop working. Nothing changed that I am aware of. To test, I:
- I moved the TM751 to within a few feet of the CM17A.
- Disconnected & reconnected both the CM17A & TM751 with the vague notion of "resetting" them.
- Changed the house code on the TM751, and changed it back.
- Tried the CM17A in 2 other computers.
No love. So I decided the CM17A was dead, and ordered a new one. The new one doesn't work either.
I'm guessing the chances of having one die, and to receive a DOA replacement are incredibly small. I can't *prove* the replacement is DOA, so on principle, I have a hard time trying to return it as defective.
The only other possibility is that the CM17As are broadcasting at an ever-so-slightly-out-of-spec frequency, to which my TM751 was once, but is no longer, sensitive.
Should I just seek replacement of the CM17A, even though I can't prove it's DOA?
Is it likely that a 3rd one won't work either?
Could I be missing something else? Remember, my HR12A and KR19A transmitters work fine, so the TM751 receiver is good.
Any opinions welcomed and appreciated.