InkyFrame 7.3 Spectra does not wake up

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Hi,

I have an Inky Frame 7.3 Spectra. I need to make the frame sleep, then wake up on RTC every few hours. I’ve tried this example inky-frame/examples/inky_frame_rtc_demo.py at main · pimoroni/inky-frame · GitHub and various RTC commands like

inky_frame.rtc.clear_alarm_flag()
inky_frame.rtc.set_alarm(30, 0)
inky_frame.rtc.enable_alarm_interrupt(True)
inky_frame.turn_off()
  • but I can never get it to wake up again.

The battery operation is fine, and it wakes up on Reset button.

Is this a hardware fault or am I missing something here, please?