Hayward H400FDN Universal H Series Troubleshooting Guide - Page 43

Polarity Failure

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9. Service LED ON: "PF" Code "Polarity Failure" This code will display if low voltage is detected, if the ground path is not sufficient, or the ICB is defective. Reset is immediate after error is corrected. Verify incoming power Step 9A Inspect ground & neutral Step 9B Ensure voltage is within 10% + or - of required voltage. IF voltage is correct, go to step 9B. IF NOT, then the problem is related to source power and must be corrected before error will clear. Verify both neutral and ground connections (both internal and external) are clean and secured. IF ground and neutral connections check-out, then replace the ICB (pg. 20). 43

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Ensure voltage is within 10% + or
–
of required
voltage. IF voltage is correct, go to step 9B. IF NOT,
then the problem is related to source power and
must be corrected before error will clear.
Inspect ground & neutral
Verify incoming power
Step 9A
43
Step 9B
“Polarity Failure”
This code will display if low voltage is detected, if the ground path is
not sufficient, or the ICB is defective. Reset is immediate after error is corrected.
Verify both neutral and ground connections (both
internal and external) are clean and secured. IF
ground and neutral connections check-out, then
replace the ICB (
pg. 20
).
9. Service LED ON: “PF” Code