Hayward RC9740CUB Robotic Cleaners Troubleshooting Guide - Page 43

Bubbles Through the Exit Venturi

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Troubleshooting Will not climb walls Confusion on normal operation • The startup of each 4 hour cycle may require up to 30 minutes as the machine measures the pool configuration before climbing the walls completely to the water line. • During the 4 hour cycle the machine will randomly re-measure the pool configuration or release itself from the wall. The machine will not climb the walls during this 15-30 minute cycle. Climbs Too High, Falls off Wall at Waterline, Blows Air Bubbles Through the Exit Venturi • Above average traction in a clean pool. Install the Restrictor Plate Kit RCX11206 in the venturi. • Inspect bottom lid filter plate gasket and replace if torn or missing. • Set handle position at an angle, machine should never operate with the handle in the center or straight position. • Check water chemical balance. Page 40

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Page 40
Will not climb walls
Confusion on normal operation
Climbs Too High, Falls off Wall at Waterline, Blows Air
Bubbles Through the Exit Venturi
Troubleshooting
•
The startup of each 4 hour cycle may require up to 30 minutes as the machine
measures the pool configuration before climbing the walls completely to the water
line.
•
During the 4 hour cycle the machine will randomly re-measure the pool configuration
or release itself from the wall. The machine will not climb the walls during this 15-30
minute cycle.
•
Above average traction in a clean pool. Install the Restrictor Plate Kit RCX11206 in
the venturi.
•
Inspect bottom lid filter plate gasket and replace if torn or missing.
•
Set handle position at an angle, machine should never operate with the handle in the
center or straight position.
•
Check water chemical balance.