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goodman furnace model GMS951155DXA

icjoe1957
icjoe1957 Member Posts: 1
in Gas Heating

Goodman Furnace burner comes on, shortly there after fan comes on.  At the 7 minute mark the burner goes out and 5 minutes later the fan cuts off.  Within 30 seconds the burner begins to cycle on and everything repeats.  

Comments

  • HVACNUT
    HVACNUT Member Posts: 6,298

    Seems like it's making high limit, switching the fan to High speed to cool the heat exchanger. Once the limit closes, the process repeats. The heat rise should be checked to make sure it's within Goodman specs. Dirtt air filter, dirty evaporator, dirty fan blades…

  • pecmsg
    pecmsg Member Posts: 5,283

    Agreed Cycling on a safety.

    Check the temperature rise between the return and 1st supply.

  • deanoo
    deanoo Member Posts: 1

    Seems to be going off on a safety as mentioned before, is there a flashing light? If so how many flashes?

    There will be a sight glass located on the bottom of the unit (if mounted vertically) and inside should be an indicator light. This will help you narrow down the issue.

    Likely will be a limit circuit fault.

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