Hayward H250FDN heat exchanger replacement

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sthorn71

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Mar 13, 2013
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Hello, due to an issue this winter I needed to replace my heat exchanger FDXLHXA1250. After putting it all back together and verifying connections my display has no power except the standby light is flashing. The pump still has power which runs through the heater. I can't find much on the web and there is no error codes since the display isn't on. Any insights or troubleshooting methodology is greatly appreciated. Thanks, Sam
 
sthorn71 said:
Hello, due to an issue this winter I needed to replace my heat exchanger FDXLHXA1250. After putting it all back together and verifying connections my display has no power except the standby light is flashing. The pump still has power which runs through the heater. I can't find much on the web and there is no error codes since the display isn't on. Any insights or troubleshooting methodology is greatly appreciated. Thanks, Sam
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Check all the connections at all the boards in that heater. Its easy to sometimes miss a set of prongs when reassembling the various cables.
 
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