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    j03h27's Avatar
    j03h27 Posts: 1, Reputation: 1
    New Member
    		  
    #1

    Feb 4, 2015, 09:15 PM
    Fvs sensor
    I am now on my 3rd water heater, everything has been replaced, except for the gas line that feeds the heater itself. The installer did use a tool to check for leaks on the gas line though. The heater is an AO Smith 50gal with power vent and a honeywell control module. They keep having the same issue, FVS Fault detected, or the 8-1 blinking code. I have had professionals install the heaters each time, but they can't figure out the issue. Please help!
    talaniman's Avatar
    talaniman Posts: 54,325, Reputation: 10855
    Expert
    		  
    #2

    Feb 5, 2015, 12:06 PM
    Was the reset procedure done? Was an ohmmeter used on the FV sensor? Was the controller checked also?
    Milo Dolezal's Avatar
    Milo Dolezal Posts: 7,192, Reputation: 523
    Plumbing Expert
    		  
    #3

    Feb 5, 2015, 05:53 PM
    Contact A.O.Smith / customer service for advice:

    A. O. Smith Water Products
    500 Tennessee Waltz Parkway
    Ashland City, TN 37015
    United States of America
    Phone: 800-527-1953

    Milo
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