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+--- Thread: wiser for knx hardware issues (/showthread.php?tid=6104)
wiser for knx hardware issues - mellotron - 05.09.2025
Hello everyone,
I have a Wiser for KNX device that was damaged by a power surge. After running diagnostics, I found that the following circuits were affected: KNX NCN5121, 88RY SVUB, SI8421AB, and 263A.
After several days of research, I discovered that the first circuit (NCN5121) is a microcontroller.
I would like to know if it’s possible to find this component already programmed on the market.
RE: wiser for knx hardware issues - Erwin van der Zwart - 05.09.2025
Isn’t much cheaper to replace the device than several days investigation, trying to get the components and hope for the best that it starts working again (aka you missed something) let alone the warranty piece, when it’s hit by power surge I wouldn’t have to rely on it..
Just my 50ct…