Samsung Internal Memory / RTC (Real‑Time Clock) Issue

Robot vacuum’s time scheduling or cleaning history is incorrect or resets unexpectedly.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Firmware bug, Failing non‑volatile memory, Power interruptions during updates, Main PCB RTC failure

Safety first: Standard precautions only.

Update firmware: Use the Samsung app to check for and install the latest firmware.
Recreate schedules: Delete existing schedules and create new ones in the app.
Avoid power interruptions: Do not unplug the dock or power off the robot during updates or while it is saving settings.
If settings still reset: The main PCB’s memory or RTC circuit may be failing and require replacement.

Medium 3/5

Main PCB Assembly

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