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Thread: water heater

  1. #1
    Join Date
    Feb 2013
    Location
    New York
    Posts
    4

    Question water heater

    Brand: State Select gas water heater 40 gallon,
    Model # PR640XCVIT & Serial # F06A000549

    The water heater locks, and doesn't heat the water.

    UNIT IS LOCKING (not heating water)
    **lights A & B turn on...(which means system is lockout) -
    there are 4 solutions on the trouble shooting-
    1- gas is off or too low to operate
    2- hot surface igniter not positioned correctly
    3- low voltage to the water heater
    4- electric polarity to unit is incorrect

    The unit have been working over five (5) years, never had issues till know. I have to disconnect and reconnect the water heater, which heats the water for a couple of hours, then it locks again (no hot water); have been doing this since December.

    I hope is clear

    Thanks
    Last edited by 717logan; 02-09-2013 at 04:15 PM.

  2. #2
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    5,081

    Default Re: water heater

    I read your posting twice - and still can't tell what you are writing about.

    Can you re-write it more clearly, more accurately and more precisely?

  3. #3
    Join Date
    Dec 2007
    Location
    Tennessee
    Posts
    1,381

    Default Re: water heater

    Is it an electric water heater or a gas water heater? What brand.

  4. #4
    Join Date
    Feb 2013
    Location
    New York
    Posts
    4

    Question Re: water heater

    Quote Originally Posted by keith3267 View Post
    Is it an electric water heater or a gas water heater? What brand.
    Brand: State Select gas water heater 40 gallon,
    Model # PR640XCVIT & Serial # F06A000549

    The water heater locks, and doesn't heat the water.

    UNIT IS LOCKING (not heating water)
    **lights A & B turn on...(which means system is lockout) -
    there are 4 solutions on the trouble shooting-
    1- gas is off or too low to operate
    2- hot surface igniter not positioned correctly
    3- low voltage to the water heater
    4- electric polarity to unit is incorrect

    The unit have been working over five (5) years, never had issues till know. I have to disconnect and reconnect the water heater, which heats the water for a couple of hours, then it locks again (no hot water); have been doing this since December.

    I hope is clear

    Thanks

  5. #5
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,360

    Default Re: water heater

    Maybe the exhaust is blocked?

    When was the last time the crud was flushed out of the HWH?

  6. #6
    Join Date
    Feb 2013
    Location
    New York
    Posts
    4

    Question Re: water heater

    Thank you

    The exhaust is not blocked, we check

    What is the crud & how we could flushed it out of the HWH?

  7. #7
    Join Date
    Dec 2010
    Location
    Houston Texas
    Posts
    2,360

    Default Re: water heater

    The crud that builds up are the minerals in the water supply.

    Watch this video.

    Look for the water to run clear.

  8. #8
    Join Date
    Jul 2010
    Location
    SoCal
    Posts
    5,081

    Default Re: water heater

    Take a look at your burner, make sure the mesh is in good condition, look at your flame sensor - it could be dirty (use a fine sandpaper to clean it), make sure there is no debris on the sensor.

    Hope this helps.

  9. #9
    Join Date
    Dec 2007
    Location
    Tennessee
    Posts
    1,381

    Default Re: water heater

    It could be the control panel itself. In the rush to make everything "digital" things have gone overboard. They add cost, increase complexity and rarely contribute anything. My electric water heater has one of these panels too and so far, it has been the only source of failure with the unit.

    Check the warrantee on your unit. I got my replacement panel for free under warrantee but next time, it will cost me $108. Just like my stove and dishwasher, both have "digital" controls and the digital control boards have been nothing but trouble. I want my dials back.

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