Hayward H100 no spark or gas

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  #1  
Old 09-03-20, 07:16 PM
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Hayward H100 no spark or gas

Hi,
I have a hayward H100 pool heater and I'm not getting spark or a signal to the gas valve. I have full voltage to the red wire feeding the control board, but I don't hear any spark. I put my voltmeter across the white wire and the purple wire at the transformer which Fred's the gas valve and my meter goes crazy and I can't read it.
Any ideas how to diagnose they control board? I've checked for cracked/cold solder joints and they all look good.
Thanks in advance

 
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Old 09-03-20, 07:33 PM
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Ok I have signal to the gas valve, but no spark

I'm getting voltage to the head canner now, but no spark. I assume there should be spark before gas. Any ideas! If like to fix it rather than just replace the board
 
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Old 09-03-20, 07:41 PM
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Never mind, I do have spark, just couldn't hear it
 
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Old 09-03-20, 09:17 PM
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Welcome to the forums.

I'm getting voltage to the head canner now
What is that ?
Is that the complete model number..... no following letters ?

Spark and gas are activated at the same time.
 
 

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