Ao" Code - Hayward H150FDN Troubleshooting Manual

14. Service LED ON: "AO" Code

"AO" Code

YES
Replace blower
vacuum switch:
FDXLBVS1930
section B
YES
Inducer off ICB between
pins 1-2 (left to right), is
Replace blower
vacuum switch:
FDXLBVS1930
58
YES
Is blower
damaged?
NO
Are blower
vacuum switch
wires damaged?
NO
Verify 110-125VAC on
voltage present?
NO
Replace blower:
Please refer to
(pg. 20)
YES
Is vacuum tube
damaged?
NO
YES
Correct voltage
selector plug?
NO
Install correct
plug and
replace fuse
Replace ICB:
FDXLICB1930
Replace
vacuum tubing:
IDXL2SNT1930
Ohm out blower for 8-
9ohms (before Sept.
2010) OR for 4-5ohms
(after Sept. 2010), is
resistance correct?
NO
Replace blower:
Please refer to
(pg. 20)
Go to
section B
YES