Hayward HydroRite UVO3 Troubleshooting Manual page 37

2. Display Not Lit (cont.)
Verify the GFCI receptacle, supplying power to the HydroRite control panel, is not
tripped.
Test Incoming Power
Step 2I
Verify source power is 108-132VAC. IF NO/LOW,
resolve incoming power issue. IF voltage is correct,
replace the interconnect board (HYX2CSIPCB).
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