You don't mention this, but since it's always 2 hours, is there a time zone setting in there that has gotten off? Maybe it's talking to a NTP server?
On Mon, Jan 3, 2022 at 8:49 PM Chuck Hast <wch...@gmail.com> wrote: > Folks, > Not sure where to take this but figured that I would get more > info here. > > I have a RadioThermostat CT80. I have had it now for several > years. As the summer wound down. I shut down the A/C and > opened the windows in the house. Then in Nov I needed to fire > up the heating, all appeared to be well, but I noticed that the > thermostat clock was 2 hours slow. I set it and a while > later see that it has lost 2 hours again. > > I have a home automation system. I checked the logs, and > contacted the author. He has a CT50 which has fewer bells > and whistles than mine but same unit. Anyhow he gave me > some guidance, in the end I shut down the HA system and it > still would drop the 2 hours, I powered the thermostat down > and removed the WiFi radio, powered it back up, it ran about > 4 hours (about 3 hours longer) and never dropped the 2 hours. > Normally it will go between 20 minutes and an hour after I > have set it to the correct time, then drop back to the incorrect > time. So this appears to indicated that it is either something > on the network that is doing the time change or something in > the WiFi radio. > > I am trying to sniff the network and see if I can catch any > weird packets. But this is one I have not done before. > > My router is a Mikrotik 2011, and I have been trying to use > the tools on it to try to monitor the IP address of the thermo- > stat and try to see if it is talking to something else. So far > no joy. > > I am wondering about getting wire shark in there and trying > to filter those packets that way as I am not having much luck > with the Mikrotik tools > > Any recommendations? > -- > > Chuck Hast -- KP4DJT -- > I can do all things through Christ which strengtheneth me. > Ph 4:13 KJV > Todo lo puedo en Cristo que me fortalece. > Fil 4:13 RVR1960 >
