Hayward H Series Pool & Spa Heater 400k Btu Propane Gas Milivolt Ignition H400p1 - Unanswered Questions, Problems & Issues

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Hayward 250 millivolt pool heater fires up only when jumped. And stays on when I take off jumper? I get short at each sensor too. But it won't fire up by itself??
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Be the first to answer 6/30/2016 10:15:05 PM • Hayward H Series... • Posted on Jun 30, 2016 • Be the first to answer
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Lenovo bios reset
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Be the first to answer 8/9/2014 8:59:29 PM • Hayward H Series... • Posted on Aug 09, 2014 • Be the first to answer
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Hayward heater h150 ignites and shuts off
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Be the first to answer 7/12/2014 1:04:44 AM • Hayward H Series... • Posted on Jul 12, 2014 • Be the first to answer
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H400ed2 heater digital displays not working only increases or decreases in incriments of 10 to 15 degrees at a time,should i change the control panel
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Be the first to answer 6/16/2014 12:57:08 AM • Hayward H Series... • Posted on Jun 16, 2014 • Be the first to answer
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What is an IF error message?
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Be the first to answer 6/11/2014 11:41:33 AM • Hayward H Series... • Posted on Jun 11, 2014 • Be the first to answer
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Will not light
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Be the first to answer 6/1/2014 1:46:47 PM • Hayward H Series... • Posted on Jun 01, 2014 • Be the first to answer
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How do I test my hayward flame sensor?
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Be the first to answer 5/24/2014 11:21:33 AM • Hayward H Series... • Posted on May 24, 2014 • Be the first to answer
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SF ERROR CODE ON HAYWARD HEATER
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Be the first to answer 5/24/2014 3:09:01 AM • Hayward H Series... • Posted on May 24, 2014 • Be the first to answer
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Hayward h400 idl temperature erratic
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Be the first to answer 4/8/2014 8:57:05 PM • Hayward H Series... • Posted on Apr 08, 2014 • Be the first to answer
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Hayward H100IDLT had an Ao error. Replaced the blower motor. The blower motor will spin slowly and I still get an AO error message.
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Be the first to answer 1/20/2014 9:28:48 PM • Hayward H Series... • Posted on Jan 20, 2014 • Be the first to answer
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How often should gas heaters be checked
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Be the first to answer 11/21/2013 9:52:18 AM • Hayward H Series... • Posted on Nov 21, 2013 • Be the first to answer
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Need manual for Leisure Bay S-Pack 3000 Hot Tub
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Be the first to answer 10/21/2013 8:11:47 PM • Hayward H Series... • Posted on Oct 21, 2013 • Be the first to answer
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Sb code on hayward h400 fd
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Be the first to answer 10/16/2013 1:47:57 PM • Hayward H Series... • Posted on Oct 16, 2013 • Be the first to answer
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Mode not changing, stand on standby
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Be the first to answer 4/14/2013 11:08:56 PM • Hayward H Series... • Posted on Apr 14, 2013 • Be the first to answer
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I have laars XL400 propane pool heater. I used the heater and it was blowing out black soot. Unit is about 4 yrs old. I noticed that my propane was very low in tank, less than 10%. Had tank filled, b
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Be the first to answer 3/3/2013 2:23:53 PM • Hayward H Series... • Posted on Mar 03, 2013 • Be the first to answer
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Yellow flame on hayward pool heater
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Be the first to answer 9/18/2012 9:51:09 PM • Hayward H Series... • Posted on Sep 18, 2012 • Be the first to answer
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Haywood h400 pool heater, flames coming out of flue
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Be the first to answer 9/9/2012 3:35:35 PM • Hayward H Series... • Posted on Sep 09, 2012 • Be the first to answer
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Hayward h400 code bp
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Be the first to answer 8/26/2012 8:47:55 PM • Hayward H Series... • Posted on Aug 26, 2012 • Be the first to answer
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IF error code on H200 hayward pool heater
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Be the first to answer 8/13/2012 7:01:04 PM • Hayward H Series... • Posted on Aug 13, 2012 • Be the first to answer
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Hayward H250FDN SF code
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Be the first to answer 6/9/2012 4:34:00 PM • Hayward H Series... • Posted on Jun 09, 2012 • Be the first to answer
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