Hayward H400FDN Universal H Series Troubleshooting Guide - Page 32

Open FC4 Fuse

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4. Open FC4 Fuse Open FC4 Fuse Inspect ignitor wiring for damage Ohm out blower for 8- YES 9ohms (before Sept. 2010) OR for 4-5ohms (after Sept. 2010), is resistance correct? NO Contact Support (908) 355-7995 Replace blower: Please refer to (pg. 20) Is ignitor wiring YES damaged, pinched, or worn? NO Is blower wiring YES damaged, pinched, or worn? NO Replace ignitor: FDXLIGN1930 Replace blower: Please refer to (pg. 20) Ohm out the ignitor verifying: 8-25ohms Is the resistance YES incorrect? NO Replace ignitor: FDXLIGN1930 32

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32
4. Open FC4 Fuse
Open FC4
Fuse
Inspect ignitor
wiring for
damage
Is ignitor wiring
damaged, pinched,
or worn?
Is blower wiring
damaged, pinched,
or worn?
Replace ignitor:
FDXLIGN1930
YES
NO
YES
NO
Is the resistance
incorrect?
NO
YES
Ohm out blower for 8-
9ohms (before Sept.
2010) OR for 4-5ohms
(after Sept. 2010), is
resistance correct?
YES
NO
Replace blower:
Please refer to (pg. 20)
Replace ignitor:
FDXLIGN1930
Ohm out the
ignitor verifying:
8-25ohms
Contact
Support
(908) 355-7995
Replace blower:
Please refer to (pg. 20)