Error 15
Roborock Main Control Board or Firmware Fault

Roborock robot vacuum reports “Error 15” / “Internal error” or “Please reboot the robot” and may behave unpredictably.

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Safety Warning

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.

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Possible Causes

Temporary firmware glitch, Corrupted configuration data, Main board hardware fault, Moisture ingress on electronics

How to Fix / Troubleshooting

Safety first: Ensure the robot is on a dry surface and shows no signs of liquid damage.

Step-by-step:

  • Soft reboot: Hold the power button until the robot shuts down, wait 30 seconds, then power it back on.
  • Factory reset (if needed): Use the Roborock app or the button combination specified in your manual to perform a factory reset. Note that this will erase maps and settings.
  • Update firmware: Connect the robot to Wi‑Fi and check for firmware updates in the app. Install any available updates.

If the error continues after reset and update: The main control board may be failing and require replacement. This involves opening the robot and transferring connections; professional repair is advised.

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Repair Difficulty

Hard 4/5

Required Part

Main Control Board
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