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Troubleshooting Guide
PLEASE CHECK THE FOLLOWING BEFORE CALLING YOUR SERVICE CENTER
Before troubleshooting, the pool cleaner must be disconnected from the power supply and the power supply must be unplugged from the electrical outlet to
prevent damage to the unit and possible personal injury.
1. Unit does not pump water or move:
a) Check to see if electric outlet has power.
b) Check if transformer is plugged into a grounded outlet and the cable
assembly is plugged into the transformer.*
c) Switch the power supply “OFF” and “ON” a few times.
Allow 45 seconds between “ON” and “OFF”.
d) Check for and remove any debris such as hair, string, or leaves that may
be obstructing the free movement of the wheels.
2. Unit does not pump water at all, or pumps slowly but moves:
a) Check to see if propeller is seized due to accumulation of hair or debris
on the propellers. Remove the top screw on the outlet top and clean the
propeller. When reassembling the top cover, do not overtighten the screw.
b) Check to see if the filter canisters are thoroughly clean. Clean as necessary.
c) After following all of the above, if there is still a problem,
visit global.irobot.com
3. Unit does not move but does pump water:
a) Check to see if forward/reverse motion is obstructed by foreign
matter; hair, debris, etc. on wheels or there is an entanglement
with the power cord.
b) Check there is no debris stuck inside the wheel between gears
c) Verify if the rolling brush is properly positioned and not broken.
The brush is transferring the rotation to the wheels and - if broken- the robot
will not move properly.
d) After following all of the above, if there is still a problem,
visit global.irobot.com
4. Unit does not climb the wall:
a) Check to see if the filter canisters are thoroughly clean. Clean as necessary.
5. Unit does not pick up dirt and debris:
a) Check 2a and 2b of this guide.
b) Extend the water intake (see page 6)
c) Check the Filter Intake Valve Flaps on the underside of your unit
(see image below). The Flaps should move freely to open and close.
Clean and free the Valve Flaps if necessary.
6. Unit does not seem to cover the entire pool:
a) Most likely a thorough cleaning of the filter is needed.
b) Verify that the unit rotates by 90 degrees on the first turn of a new cycle.
If not - add or remove floats according to the instructions on page 7.
c) Check to see that the floating cable is properly spread out and is untangled.
d) Allow the unit to run in the pool for the entire cleaning cycle.
e) Check that the Motor is operating.
f) After following all of the above, if there is still a problem,
visit global.irobot.com
7. Debris Comes Out Of The Unit When Removing It From Pool
a) Filter lock handle (Top Access Lid Does Not Close Properly) -
Check that the Lock handle release mechanism is not damaged.
The lid edges should be aligned with the unit’s body and the top
filter is properly locked.
b) Intake Valves - Check that the Filter Intake Valve Flaps (see image above)
move freely to open and close. Clean flaps if necessary.
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Filter Intake Valve Flaps
Troubleshooting