Does not turn / one direction only
Where to look: Impeller and drive path.
Robot does not turn or moves in one direction only.
Picture
Quick answers
What is wrong?
Robot does not turn or moves in one direction only.
What you might notice
- One-direction movement
- Will not turn
Can I fix this myself?
Usually yes for cleaning/clearing. Difficulty: easy · about 10-20 min. If unsure or the fault returns, use mail-in repair.
What you need
- Soft cloth
- Garden hose
Do this
- Unplug/power off. Open and clear the impeller of trapped debris.
- Check tracks/wheels for obstructions or damage; rotate by hand.
- Restart fully submerged with a clean filter. Confirm enough cable slack for turns.
- If unresolved, request repair.
Parts (only if cleaning fails)
- None for a basic clean
Official references
- https://www.maytronics.com/global/support/faq/?question=i-can-power-my-dolphin-on-but-it-does-not-move
- https://www.poolspa.co.th/wp-content/uploads/2025/07/PS-MANUAL-Robot-Pool-Cleaner-DOLPHIN-M700-English.pdf