OpenSprinkler Forums Hardware Questions DIY Kit Assembly Questions Cannot communicate with board v2.1u Re: Re: Cannot communicate with board v2.1u

#27213

Ray
Keymaster

Stays 00:00, which I would not expect since you have that timer chip and battery running the clock right?

Because your RTC hasn’t been set — it’s set upon the first successful NTP sync, but since your Ethernet connection is not working yet, it hasn’t synced with NTP. The RTC clock will not run if it hasn’t been set.