I recently set up a Pi 4 Model B with Domoticz (ver. 2024.7) and Debian Bookworm 64-bit (released 2024-07-04) and an RFXCOM - RFXtrx433 connected. I have installed a Nexa MCMR-2000 receiver to switch a load on and off. I have used similar devices before with several older Domoticz setups on Raspberry Pi and it's been working without problem.
Now however, it's only possible to turn the receiver on, not off. I have a Nexa remote that I use to control the receiver and to "learn" a switch in Domoticz. With the remote it's possible to switch on and off, but with the Domoticz switch only on. I've tried to reprogram using all channels of the remote, but with the same result. The receiver is just next to the RFXCOM so signal strength is not a problem.
If anyone has any clue what could be the root cause of this type of problem it would be great.
Cannot switch Nexa MCMR-2000 receiver off, only on
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