Symptoms
- Robot stops and beeps a repeating pattern
- App or robot display shows a numbered or lettered error
- Robot's voice announces an error name
- Robot pauses mid-clean and won't resume
Likely causes
- CommonWheel or brush obstructionMost error codes relate to a wheel, brush, or bumper being physically stuck or blocked.
- CommonFull dust binMany models will stop and alert when the bin needs emptying.
- PossibleDirty sensors misreading the environmentGrime on cliff or object sensors can trigger false stop errors.
- PossibleLow battery during a taskSome error tones indicate the robot can't complete its return to dock on remaining battery.
- Less commonInternal fault requiring a restart or servicePersistent, unresolvable errors can indicate a deeper hardware fault.
What to do
- Note the exact error code, number, or beep pattern shown.
- Check the manual or manufacturer's website for that specific code's meaning, since these vary by brand.
- Inspect wheels, brushes, and the bumper for visible obstructions.
- Empty the dust bin and clean the sensors with a dry cloth.
- Restart the robot by powering it off and back on.
- Charge the robot fully if the error relates to battery level.
- If the same error keeps returning after basic checks, contact the manufacturer's support with the specific code.
Tools and parts
- Dry cloth
When to call a pro
For an error that persists after basic troubleshooting, manufacturer support can diagnose based on the specific code.
Safety
Generally low risk
Generally low risk for a careful person. Stop if anything looks different from what this guide describes.