DIY Guides
Practical repair tutorials from our fault knowledge base. Prefer a wizard?Start diagnosis.
Maytronics Dolphin: Does not climb the walls
Liberty cordless robot has difficulty climbing pool walls.
Maytronics Dolphin: Will not charge on inductive charger
Liberty will not charge on the magnetic/inductive charger.
Maytronics Dolphin: Moves but does not clean well
Robot moves but cleaning is weak — usually a full filter or impeller debris.
Maytronics Dolphin: Does not turn / one direction only
Robot does not turn or moves in one direction only.
Zodiac: Floating cable tangling / kinks
Cable tangles in the pool or is excessively coiled/kinked.
Zodiac: Filter full / air in casing / poor pickup
Cleaner has air in the casing, dirty filter, or propeller jam (often 3 LED flashes on CX models).
Zodiac: Does not climb pool walls (TX30/TX35)
Cleaner no longer climbs pool walls — often slippery algae film or worn tracks.
Zodiac: No power / will not start
No power to the cleaner or unit will not start.
Zodiac: Track coming off the wheels
Tyre track is coming off the wheels.
Zodiac: Floating cable tangling / kinks
Cable tangles in the pool or is excessively coiled/kinked.
Zodiac: Filter full / air in casing / poor pickup
Cleaner has air in the casing, dirty filter, or propeller jam (often 3 LED flashes on CX models).
Zodiac: Does not climb pool walls
Cleaner no longer climbs pool walls — often slippery algae film or worn tracks.
Zodiac: No power / will not start
No power to the cleaner or unit will not start.
Zodiac: Track coming off the wheels
Tyre track is coming off the wheels.
Zodiac: Floating cable tangling / kinks
Cable tangles in the pool or is excessively coiled/kinked.
Zodiac: Filter full / air in casing / poor pickup
Cleaner has air in the casing, dirty filter, or propeller jam (often 3 LED flashes on CX models).
Zodiac: Does not climb pool walls (TX30/TX35)
Cleaner no longer climbs pool walls — often slippery algae film or worn tracks.
Zodiac: No power / will not start
No power to the cleaner or unit will not start.
Zodiac: Track coming off the wheels
Tyre track is coming off the wheels.
Zodiac: Floating cable tangling / kinks
Cable tangles in the pool or is excessively coiled/kinked.
Zodiac: Filter full / air in casing / poor pickup
Cleaner has air in the casing, dirty filter, or propeller jam (often 3 LED flashes on CX models).
Zodiac: Does not climb pool walls (TX30/TX35)
Cleaner no longer climbs pool walls — often slippery algae film or worn tracks.
Zodiac: No power / will not start
No power to the cleaner or unit will not start.
Zodiac: Track coming off the wheels
Tyre track is coming off the wheels.
Maytronics Dolphin: Powers on but does not move
Dolphin powers on (or PSU shows red) but the robot does not start cleaning / does not move.
Maytronics Dolphin: Cycle stops early / red light on power supply
Cleaning cycle stops early or the power supply shows a red error light.
Maytronics Dolphin: Does not climb walls / waterline
Dolphin does not climb walls or move sideways on the waterline.
Maytronics Dolphin: Circles / moves but does not clean
Robot moves in circles or moves without cleaning — clogged filter or impeller debris.
Maytronics Dolphin: Floating cable kinks / tangles
Floating cable has kinks that affect movement and coverage.
Aiper: Device not charging / will not power on
Cordless Aiper will not charge or will not turn on.
Aiper: Filter full / decreased cleaning performance
Robot tilts, cleans poorly, or stops — filter box full or filter clogged.
Aiper: Propeller jammed (flashing red LED)
Flashing red LED — propeller may be jammed with debris.
Aiper: Not cleaning properly / wrong mode
Coverage is poor — often clogged filter or wrong cleaning mode for pool shape.
Beatbot: Cannot charge on the dock
AquaSense will not charge on the Beatbot charge dock.
Beatbot: Clogged filter / struggles to resurface
Robot struggles to resurface or clean — usually a clogged filter basket.
Beatbot: Roller brush or track wheels entangled
App reports entanglement on roller brush or track wheels; robot may stay on the pool floor.
Beatbot: Stuck or not moving
Pool robot is stuck or not moving in the pool.
Poolrite: Does not move or moves slowly
Manta suction cleaner does not move or moves slowly.
Poolrite: Hose air leaks / weak suction
Air entering the hose reduces suction and performance.
Poolrite: Hose tangled or coiled (memory)
Hose tangles or keeps a coil memory that ruins coverage.
Poolrite: Poor coverage / sticks on ladders / won't climb
Cleaner patterns badly, sticks on ladders, or will not climb as expected.
Wybot: Cannot charge / will not power on
Wybot will not charge or will not power on.
Wybot: Solid red — impeller or filter basket stuck
Solid red light — impeller or filtration basket is stuck.
Wybot: Cannot clean the wall
Robot cannot climb/clean walls.
Wybot: Cannot return to the docking station
Robot cannot call back / return to the docking station.
Roborock: Error 1: Top laser sensor (LDS) not spinning
Error 1 — LiDAR turret jammed, blocked, or not spinning so the robot cannot map. Cleaning is DIY; a tower that still will not spin after freeing usually ne
Roborock: Error 5: Main brush jammed (underside roller)
Error 5 — hair or debris wrapping the main brush, ends, or installation slots. Recurring Error 5 after a thorough clean often means a failed brush motor or
Roborock: Error 13: Charging fault
Error 13 — charging path fault. Usually dirty contacts, loose dock power cable, or a failing dock supply. Official Qrevo Edge Series troubleshooting applie
Roborock: Error 9: Filter magnet missing
Error 9 — the washable filter magnet is missing or not detected. Replace the filter if the magnet is gone.
Roborock: Unable to charge on the dock
Robot will not charge — dock unpowered, poor contact, or dirty charging contacts (Qrevo Edge CE EN manual Common Issues).
Roborock: Unable to return to dock
Robot cannot find or reach the dock — obstacles near the dock, dock too far, or starting far from the dock (manual Common Issues).
Roborock: Dock status indicator light is steady red
Steady red dock status light — voltage mismatch, water tank seating, or cleaning tray/filter not installed correctly (Qrevo Edge manual).
Roborock: Unable to auto-empty dustbin at the dock
Auto-empty does not run — disabled in app, missing dust cover/bag, DND, manual dock placement, low battery, or blocked air path (Qrevo Edge manual).
Roborock: Unable to wash the mop cloths at the dock
Mop wash will not start — mop not used that job, robot not started from dock, water tanks empty/unseated, or cleaning tray/filter missing (Qrevo Edge manua
Dreame: LDS abnormal / laser distance sensor error
App/robot reports LDS abnormal / laser distance sensor error. Official steps: firmware, free the cover, clear openings; recurring faults need LDS service.
Dreame: Main brush jammed by hair or debris
Hair, wires, or debris jam the main brush. Recurring jams after a thorough clean often mean brush-motor failure.
Dreame: Drive / main wheel stuck or entangled
Hair or debris catches a drive wheel so the robot struggles to move or reports a wheel error.
Dreame: Robot will not charge on the base station
Robot sits on the base but battery % does not rise. Official charge FAQ: power, pin rebound, contact wipe, correct seating — then service.
Dreame: Cannot find / return to / complete docking
Robot cannot locate the dock, fails to climb on, or reports complete docking failed. Official placement, signal wipe, and wheel checks before service.
Dreame: Base station will not empty the dustbin (full diagnostic)
After docking, the station does not collect dust. X40 Ultra Complete official steps: bag install, blockages, app Dust Collection / DND, signal window.
Dreame: Washboard water abnormal / dirty tank will not pump
Washboard water-level abnormality, leakage, or dirty tank cannot pump. Official Dreame steps: sewage path, airtight tank seals, tray filter, overflow sensors.
Dreame: Weak suction / dust falling out — filter & dustbin
Weak pickup or dust falling out after brushes are clear. Official maintain FAQ: empty dustbin, clean/replace filter, dry thoroughly before reuse. Recurring fan
Dreame: LDS abnormal / laser distance sensor error
App/robot reports LDS abnormal / laser distance sensor error. Official steps: firmware, free the cover, clear openings; recurring faults need LDS service.
Dreame: Main brush jammed by hair or debris
Hair, wires, or debris jam the main brush. Recurring jams after a thorough clean often mean brush-motor failure.
Dreame: Drive / main wheel stuck or entangled
Hair or debris catches a drive wheel so the robot struggles to move or reports a wheel error.
Dreame: Robot will not charge on the base station
Robot sits on the base but battery % does not rise. Official charge FAQ: power, pin rebound, contact wipe, correct seating — then service.
Dreame: Cannot find / return to / complete docking
Robot cannot locate the dock, fails to climb on, or reports complete docking failed. Official placement, signal wipe, and wheel checks before service.
Dreame: Base station will not empty the dustbin (full diagnostic)
After docking, the station does not collect dust. X40 Ultra Complete official steps: bag install, blockages, app Dust Collection / DND, signal window.
Dreame: Washboard water abnormal / dirty tank will not pump
Washboard water-level abnormality, leakage, or dirty tank cannot pump. Official Dreame steps: sewage path, airtight tank seals, tray filter, overflow sensors.
Dreame: Weak suction / dust falling out — filter & dustbin
Weak pickup or dust falling out after brushes are clear. Official maintain FAQ: empty dustbin, clean/replace filter, dry thoroughly before reuse. Recurring fan
Dreame: LDS abnormal / laser distance sensor error
App/robot reports LDS abnormal / laser distance sensor error. Official steps: firmware, free the cover, clear openings; recurring faults need LDS service.
Dreame: Main brush jammed by hair or debris
Hair, wires, or debris jam the main brush. Recurring jams after a thorough clean often mean brush-motor failure.
Dreame: Drive / main wheel stuck or entangled
Hair or debris catches a drive wheel so the robot struggles to move or reports a wheel error.
Dreame: Robot will not charge on the base station
Robot sits on the base but battery % does not rise. Official charge FAQ: power, pin rebound, contact wipe, correct seating — then service.
Dreame: Cannot find / return to / complete docking
Robot cannot locate the dock, fails to climb on, or reports complete docking failed. Official placement, signal wipe, and wheel checks before service.
Dreame: Base station will not empty the dustbin (full diagnostic)
After docking, the station does not collect dust. X40 Ultra Complete official steps: bag install, blockages, app Dust Collection / DND, signal window.
Dreame: Washboard water abnormal / dirty tank will not pump
Washboard water-level abnormality, leakage, or dirty tank cannot pump. Official Dreame steps: sewage path, airtight tank seals, tray filter, overflow sensors.
Dreame: Weak suction / dust falling out — filter & dustbin
Weak pickup or dust falling out after brushes are clear. Official maintain FAQ: empty dustbin, clean/replace filter, dry thoroughly before reuse. Recurring fan
Dreame: LDS abnormal / laser distance sensor error
App/robot reports LDS abnormal / laser distance sensor error. Official steps: firmware, free the cover, clear openings; recurring faults need LDS service.
Dreame: Main brush jammed by hair or debris
Hair, wires, or debris jam the main brush. Recurring jams after a thorough clean often mean brush-motor failure.
Dreame: Drive / main wheel stuck or entangled
Hair or debris catches a drive wheel so the robot struggles to move or reports a wheel error.
Dreame: Robot will not charge on the base station
Robot sits on the base but battery % does not rise. Official charge FAQ: power, pin rebound, contact wipe, correct seating — then service.
Dreame: Cannot find / return to / complete docking
Robot cannot locate the dock, fails to climb on, or reports complete docking failed. Official placement, signal wipe, and wheel checks before service.
Dreame: Base station will not empty the dustbin (full diagnostic)
After docking, the station does not collect dust. X40 Ultra Complete official steps: bag install, blockages, app Dust Collection / DND, signal window.
Dreame: Washboard water abnormal / dirty tank will not pump
Washboard water-level abnormality, leakage, or dirty tank cannot pump. Official Dreame steps: sewage path, airtight tank seals, tray filter, overflow sensors.
Dreame: Weak suction / dust falling out — filter & dustbin
Weak pickup or dust falling out after brushes are clear. Official maintain FAQ: empty dustbin, clean/replace filter, dry thoroughly before reuse. Recurring fan
Dreame: LDS abnormal / laser distance sensor error
App/robot reports LDS abnormal / laser distance sensor error. Official steps: firmware, free the cover, clear openings; recurring faults need LDS service.
Dreame: Main brush jammed by hair or debris
Hair, wires, or debris jam the main brush. Recurring jams after a thorough clean often mean brush-motor failure.
Dreame: Drive / main wheel stuck or entangled
Hair or debris catches a drive wheel so the robot struggles to move or reports a wheel error.
Dreame: Robot will not charge on the base station
Robot sits on the base but battery % does not rise. Official charge FAQ: power, pin rebound, contact wipe, correct seating — then service.
Dreame: Cannot find / return to / complete docking
Robot cannot locate the dock, fails to climb on, or reports complete docking failed. Official placement, signal wipe, and wheel checks before service.
Dreame: Base station will not empty the dustbin (full diagnostic)
After docking, the station does not collect dust. X40 Ultra Complete official steps: bag install, blockages, app Dust Collection / DND, signal window.
Dreame: Washboard water abnormal / dirty tank will not pump
Washboard water-level abnormality, leakage, or dirty tank cannot pump. Official Dreame steps: sewage path, airtight tank seals, tray filter, overflow sensors.
Dreame: Weak suction / dust falling out — filter & dustbin
Weak pickup or dust falling out after brushes are clear. Official maintain FAQ: empty dustbin, clean/replace filter, dry thoroughly before reuse. Recurring fan
Ecovacs: ALERT: Laser sensor abnormal
ALERT: Laser Sensor Abnormal — mapping fails. Official steps are lens wipe + reboot; a free-spinning tower that keeps alarming usually needs LDS service.
Ecovacs: Main brush entangled / needs cleaning
Hair or debris wraps the main brush. Recurring alerts after a thorough clean often mean a brush-motor fault.
Ecovacs: Side brush entangled / bearing dirty
Side brush or bearing wrapped in hair — common cause of edge-clean failure and running alerts on Omni models.
Ecovacs: Robot cannot be charged (full station diagnostic)
DEEBOT will not charge on the OMNI Station. Official troubleshooting covers outlet, cord seating, robot power switch, manual dock, contact cleaning, and genuine
Ecovacs: Cannot return to / enter the station (path, pads, slip)
DEEBOT cannot find the station, or finds it but cannot enter / slips out. Combines official return FAQs with slip/wet-tray guidance.
Ecovacs: Auto-emptying failed / dust bag not detected or full
Station fails to empty the robot dustbin, or reports bag missing/full after a new bag. Official steps include cabin close, dock seating, power-cycle, and firmwa