Hayward H250FDP - Heater Not Powering Up

1. Heater Not Powering Up
Heater not
powering up
Correct source
power issue
YES
NO
Correct voltage
selector plug?
NO
Inspect wires &
connections,
are they OK?
YES
Test FC1 &
FC2 fuses
Is incoming
power correct?
Is either
fuse blown?
Go to:
Section 2
Test 22-28VAC
between R & C on
P5 (fuse board)
Test
transformer
output for 22-
28VAC
Is voltage
correct?
NO
Replace fuse
board:
FDXLFWP1930
NO
Install correct
plug and
retest
Replace harness
and/or reseat
connection:
FDXLWHA1930
YES
YES
NO
Test transformer input
for 110-125VAC
YES
Is voltage
correct?
Replace
transformer:
IDXL2TRF1930
YES
NO
Is voltage
correct?
YES
Go to section B
(next page)
NO
Replace fuse
board:
FDXLFWP1930
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