● Checked Nov 9, 2026From Dolphin support
Dolphin pool cleaner
Dolphin pool cleaner "Filter clogged": what it means and the fix
Steps3
ToolsNone
PartsMaybe filter
Works for Corded Dolphin robots with an On/Off LED and a Bluetooth or Wi-Fi power supply, such as the M600, M700, X40 Plus and Nautilus CC Plus Wi-Fi.
Short answerOrange light. Orange on the On/Off LED. Only some models have this light.
What it means: The filter is clogged and needs cleaning.
Quick fix: Turn off the power supply.
Fix it in 3 steps
- Turn off the power supply.Done?
- Take the cleaner out of the pool and clean the filter.Done?
- Refit the filter and start a new cycle.Did it work?
Fixed when: The orange light is gone on the next cycle.
Great, it is fixed. Bookmark this page in case it comes back.
Still showing Filter clogged?
Contact Dolphin support at 1-888-365-7446 ext. 1002 (US). Have the serial number ready: On the back of the folder in the packaging, on the side of the box, or inside the robot behind the filter. Dolphin support →
Parts that fix this
Often linked to the filter. A clogged filter cuts suction and makes the fan work harder.
Fixes this · our kitUltra fine filter panels for Dolphin S200 and S300, 4 pack4 ultra fine filter panels, Same size as part 9991467-R4. Free US shipping · Fit guarantee$19.99See the kit →Just the filterFor Dolphin pool cleaner on AmazonCheck price →Check the part fits your model. Affiliate links: we may earn a commission at no cost to you.
Remind me when parts are due (one free email)
Why it happens
- A full filter
- A very dirty pool
Other Dolphin pool cleaner errors
Keeps happening? Compare before you replace
Dolphin (Maytronics) Sigma$2,999 · Top corded Dolphin with app control, gyro navigation and weekly timerCheck price on Amazon →
Dolphin (Maytronics) Premier$2,499 · Corded workhorse with swappable filters for leafy in-ground poolsCheck price on Amazon →
Dolphin Nautilus CC Supreme vs Dolphin (Maytronics) SigmaPoint by point