Question about Hayward H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1

H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1: how do i fix the AO code on my hayward heater?...

How do i fix the ao code on my hayward heater?

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64 Answers

AO will apply to your blower, blower tubing, or blower vacuum switch. You need to check these items.

Posted on May 20, 2010

Anonymous May 25, 2010

sorry, but checking those items wil likely solve your problem. if not post back here and i can help you.

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This error is produced when the blower prover switch does not close after the blower starts, the control will stop the ignition and go into lockout. Automatic reset is immediate after the blower prover switch closes.

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The link to the owners manual is below, it references fault codes, etc..

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http://74.125.95.132/search?q=cache:4mAdY7bLfoQJ:www.haywardnet.com/products/Manuals/pdfs/Manual227.pdf+hayward+AO+error&cd=7&hl=en&ct=clnk&gl=us

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H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1: how do i fix the AO code on my hayward heater?...

1 Answer

Anonymous

Add Your Answer

Attachments: Added items

Related Questions:

I have an Hayward 400IDL pool heater and am getting Error Code AO. I have replaced the Vent Pressure Switch, Blower Vacuum Switch, Control Board, and checked the tubing. I still get an AO error code. I...

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H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1

I have an Hayward 400IDL pool heater and am getting Error Code AO. I have replaced the Vent Pressure Switch, Blower Vacuum Switch, Control Board, and checked the tubing. I still get an AO error code. I...

Open Questions:

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