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Verify unit is not set to vacuum only mode.
6. Dirty or stuck solenoid valve
The internal electric valve that releases water can stick closed.
Signs
• Tank stays full
• No dampness at all
• Robot thinks it’s mopping normally
Possible fix
• Power off the unit
• Remove tank
• Let it sit dry for a few hours
• Reinstall and retry
(If it keeps happening → hardware issue)
⸻
7. Firmware bug or soft crash
Yep… it happens.
Fix
• Reboot the robot (full power cycle)
• Check for firmware updates
• If desperate: factory reset (last resort)
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