Hayward RC9742WCCUBY Robotic Cleaners Troubleshooting Guide - Page 45

No movement but impeller turns, No movement and no pump discharge

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Troubleshooting No movement but impeller turns • Drive motor pin or drive motor is broken possible due to overload during use. To avoid repeat failure, follow-up with the customer for obstructions in the pool such as a ladder. The Scanner will display a Drive Over Current signal if the machine has been caught on an obstruction. • Check for belt or roller obstruction • Check for broken impeller • Check for missing roller tube bearing screws, 2 per side. No movement and no pump discharge • Check with the scanner for communication failure, see scanner section to diagnose. • Check for impeller obstruction. • Check for broken blades. • Check electrical source for proper voltage range of 115-125v, including extension cord if used. Page 42

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No movement but impeller turns
•
Check with the scanner for communication failure, see scanner section to diagnose.
•
Check for impeller obstruction.
•
Check for broken blades.
•
Check electrical source for proper voltage range of 115-125v, including extension
cord if used.
No movement and no pump discharge
Troubleshooting
Page 42
•
Drive motor pin or drive motor is broken possible due to overload during use. To
avoid repeat failure, follow-up with the customer for obstructions in the pool such as
a ladder. The Scanner will display a Drive Over Current signal if the machine has
been caught on an obstruction.
•
Check for belt or roller obstruction
•
Check for broken impeller
•
Check for missing roller tube bearing screws, 2 per side.