https://www.ifixit.com/Answers/Device/SunTech_Oscar_2/All?rss=yes en-US Sat, 04 Apr 2026 15:31:33 -0700 I replaced the Real Time Clock battery on a SunTech Oscar 2 M250 Monitor and when I turned the device on the "rtc" warning appears. The monitor appears locked and the blood pressure readings programming does not run. When I remove the main batteries, the programmed time is lost and the "rtc" warning appears again. Does anyone know the procedure to resolve this issue? Thanks.

]]> https://www.ifixit.com/Answers/View/887320/SunTech+Oscar+2+RTC+Battery+Replacement https://www.ifixit.com/Answers/View/887320 Sun, 09 Feb 2025 19:16:56 -0700