Hayward HydroRite UVO3 Troubleshooting Manual page 35

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2. Display Not Lit (cont.)
CAUTION: Transformer output is 240VAC!
Test Transformer Output
Test Transformer Input
Step 2E
Step 2F
Verify transformer output is 192-288VAC. IF the voltage
Verify transformer input is 108-132VAC between pins 1-
is correct, replace the interconnect board (HYX2CSIPCB).
3 & 2-4. IF OK, replace transformer (HYX2C-XFMR). IF
IF NO/LOW, go to 2F.
NO/LOW, go to step 2G.
35

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