Hayward H150FDN Troubleshooting Manual page 30

Inspect connections/high limits
Step 3A
Power down and inspect all remote connections
and high limit wiring for damage. IF damaged,
repair/replace
Inspect blower vacuum switch
Step 3C
With power off, inspect the blower vacuum switch
wiring for damage. IF damaged, replace the wire
harness (pg.
30
3. Open FC3 &/or F1 Fuse
(pg. 20). IF OK, go to step 3B.
20). IF OK, go to step 3D.
Inspect water pressure switch
Step 3B
With power off, inspect the water pressure switch
wiring for damage. IF damaged, replace the wire
harness (pg. 20). IF OK, go to step 3C.
Inspect gas valve wiring
Step 3D
With power off, inspect the gas valve wiring for
damage. IF damaged, replace the wire harness
20). IF OK, go to step 3E.
(pg.