Hayward HP50A - Check Skimmer & Filter Pressure; Slowly Close Bypass

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Check the skimmer, pump basket, filter pressure. Clean as needed. If the error clears
after cleaning the filter, note the current pump speed and filter for future reference.
Inspect the skimmer, filter pressure, & pump basket.
Clean as needed. IF after cleaning the error persists
continue to step 5D. If the error clears, make note of
the filter pressure and pump speed.
Check Skimmer & Filter Pressure
Step 5C
Step 5D
If the bypass is open, slowly close the bypass, checking
to see of this clears the E03. The bypass may be causing
the flow error. IF the error clears, fully close or leave
the bypass in its current position. IF not, go to 5E.
Slowly Close Bypass
5. Error Code: E03 (cont.)