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Thread: Hayward Pool Heater Problems fan not coming to speed

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    Hayward Pool Heater Problems fan not coming to speed

    Topics merged. Please don't double post the same problem. Bama

    After 5 years of flawless service my Hayward Natural Gas Pool Heater does not power up today. I am gettting power to from the Easytouch to the heater. The F1 Fuse was blown, I replaced it and then the fan tried to start, but it sounded like it was strugling to come up tp speed. Then F3 Fuse blew. I was thinking the fan motor needs replacement. However I was wondering if there is a fan capacitor that could be out. Anyone have any ideas?
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    HELP NEEDED WITH HEATER TROUBLESHOOTING

    After 5 years of flawless service my Hayward Natural Gas Pool Heater does not power up today. I am getting 240ac the heater POWER BOARD. The F1 Fuse was blown, I replaced it and then the fan tried to start, but it sounded like it was struggling to come up to speed. Then F3 Fuse blew. I was thinking the fan motor needs replacement. However I was wondering if there is a fan capacitor that could be out. Anyone have any ideas?
    i'VE FALLEN IN AND i DON'T WANT TO GET OUT.

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    Mod Squad Bama Rambler's Avatar
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    Re: Hayward Pool Heater Problems fan not coming to speed

    What model heater do you have?

    Does the fan spin freely by hand? If so then it's likely a capacitor. If it's hard to spin by hand you may be able to lube the bearings a bit and see if that helps.
    Dave J. TFP Moderator
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    Re: Hayward Pool Heater Problems fan not coming to speed

    Hayward 400H Natural Gas. I am trying to figure out the best way to get to the fan area. Are you aware of any service manual available that I can review to see the proper way to disassemble this unit. Picture of the unit attached.
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    Mod Squad Bama Rambler's Avatar
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    Re: Hayward Pool Heater Problems fan not coming to speed

    I'm not a heater guy (see location ) but I was hoping someone would come along and shed some light on the subject for us.

    I just looked at the manual for the 400H from the Hayward site and there isn't a sign of a fan anywhere. Are you sure there's a fan in the unit?
    Dave J. TFP Moderator
    24' x 52" Round AGP. 2hp/¼hp SPL Power-Flo 2-speed pump. 200sqft Waterway Cartridge Filter. 45MHP2(3GPD) Stenner Peristaltic Pump
    Pool School ----- Pool Math ----- TF-Test Kit

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    Re: Hayward Pool Heater Problems fan not coming to speed

    Hi, I removed the fan and I read the trouble shooting matrix on the service manual posted at Hayward. It said to check the resistance between the wires, black to white (should be between 10-14 ohms mine was 13) and red to white (should be between 18-22, mine was 31) However the Service Manual does not differentiate between the Fasco motor and the Jakel motor. I am hoping someone knows if 31 ohms between red and white wires is okay for a Fasco motor?
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