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Battery not shown by IOT2050 Basic

Created by: Wouterdepo at: 6/10/2022 10:55 AM (3 Replies)

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6/10/2022 10:55 AM	Rate (0)
Wouterdepo Advanced Member Joined: 4/13/2015 Last visit: 1/15/2026 Posts: 8 Rating: (0)	Hi I have tried inserting a new battery and a battery from the IOT Advanced inside an IOT Basic. I have the following kernel error. iot2050 1P6ES7647-0BA00-0YA2 SV-N5xxxxxx FS:01 05.2021 ~# dmesg [ 1.343271] rtc-pcf8563 2-0051: low voltage detected, date/time is not reliable. [ 1.350966] rtc-pcf8563 2-0051: rtc core: registered rtc-pcf8563 as rtc0 ~# hwclock hwclock: ioctl(RTC_RD_TIME) to /dev/rtc0 to read the time failed: Invalid argument Any idea? Wouter

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6/14/2022 8:54 AM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, which Example Image and Firmware version are you using? Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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7/19/2022 11:14 PM	Rate (0)
Wouterdepo Advanced Member Joined: 4/13/2015 Last visit: 1/15/2026 Posts: 8 Rating: (0)	Dear about 1 year ago the image was downloaded from here, without any modifications: https://github.com/siemens/meta-iot2050 Applications were installed by apt-get install. The battery voltage is at 3,2V. I'm attaching the boot information. Sorry about the late reply but I forgot about the follow-up. Attachment boot.txt (570 Downloads)

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7/20/2022 8:01 AM	Rate (0)
bergmanu Platinum Member Joined: 4/28/2015 Last visit: 4/24/2025 Posts: 3345 Rating: (382)	Hi, means it is self-built? So we can't really state a dedicated version.. Can your try it with the latest firmware and image? I guess the behavior is the same, R&D told me that this message may be misleading and not the truth. Have you checked whether the time is kept after powering off the device and power it on some hours later? This would prove the functionality of the battery. Best regards!
	Not working for IOT2050 support anymore from March 1st, 2024. I really enjoyed the time supporting you! :)
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