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

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I have a Hayward gas heater that is flashing the code 1016-400 four times on the LED panel. Can you tell me what this means?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

  • 246 Answers

SOURCE: Hayward heater attached to a 2PSI natural gas regulator

or change the heater. have you clean the burners

Posted on Sep 11, 2009

  • 64 Answers

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

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

Posted on May 20, 2010

  • 760 Answers

SOURCE: CE error code on hayward pool heater

CE= Communication Error between Control Module
and Display Interface Assembly
1. Disconnect and then reconnect power to heater.
2. Check for faulty wiring or connection.
Inspect Display Interface Wiring. Ensure Display Interface Plug is securely attached to Control Module. .
3. Control Module and/or Display Interface Assembly
are defective.Replace Control Module and/or Display Interface Assembly.
Here is a linkt oH aywardmanuals:
http://www.haywardnet.com/inground/products/manuals.cfm

Posted on Jul 05, 2010

  • 760 Answers

SOURCE: Our Hayward gas heater keeps giving us a H5 error

Could the Error code be HS? That is high temperature limit. Perhaps you' don't have enough flow, allowing the heater to heat the water to a temperature higher, than the thermostat setting. Make sure your bypass valve is closed, allowing full flow through the heater. Check your filter pressure differential , and skimmer baskets.
You didn't give your model number, and there are many models. You can go the Hayward website below and select your exact model number and download the manual. The manual will explain each error code.
http://www.haywardnet.com/inground/products/manuals.cfm

Posted on Jul 05, 2010

  • 990 Answers

SOURCE: buying a pool heater. Which brand best reliability

Both of those heaters are fine I prefer the Pentair for it's smaller footprint and ease of installation as you can turn it for access to plumbing. The Hayward is tougher to turn the exchanger on and you only have right or left as options for the plumbing to come out. Sta-Rite is still my favorite for installation being easy to plumb, wire and run gas to. It's very easy to change from natural to LP also.
Most heaters today are the same in reliablity and that is mostly up to you to keep the chemicals correct. Being in the business I always look to ease of install and access for repair.

Posted on Oct 17, 2010

Testimonial: "Thanks for info from an expert. Think I will get a pentair as they are sold in UT. Wholesaler doesn't even carry Hayward. So Techs aren't used to. "

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Can you run the pool heater with the AO code flashing


It will not run with AO code. That is telling you something is wrong/blocking the combustion fan from satisfying the safety switch. If it is a brand new heater this usually means the correct voltage has not been set in the heater = you would need to check what you have and then check setting. Doing this incorrectly could completely destroy all electronics in the heater.
If this is a heater startup for a new season the rubber tube from the combustion fan to the blower switch could be off or damage by rodent bites.
If this heater is older it could be a clogged heat exchanger which is a much bigger repair or problem for a homeowner.
manuals are available on haywardpool.com

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Please reask with more details. THX Ash.

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