Hayward HydroRite UVO3 Troubleshooting Manual page 35

4. Flow/Over Temp/Interlock LED
Verify pump is on
Step 4A
Verify the pump is running. If it is not, turn the
pump on and recheck. If ON go to step 4B.
Check the filter
Step 4C
Check filter, if cleaning is required, clean filter and
recheck. If clean, go to step 4D.
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Inspect HydroRite vessel
Step 4B
Verify water is passing through the vessel (15GPM
MIN). If OK go to 4C. If not, resolve flow issue.
Unplug & inspect switches
Step 4D
Unplug flow & interlock switches. If damaged
replace (GLX-HYDMAN/GLX-FLO-RP), if not go to 4E.
15GPM
(MIN)