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Thread: Samsung DV42H5200EW Dryer HE Code

  1. #1

    Samsung DV42H5200EW Dryer HE Code

    Model Number: DV42H5200EW
    Brand: Samsung
    Age: 1-5 years

    Our Samsung dryer has been putting out an HE code for the last 6 months or so. The cycles will run but it gets really hot and puts out the HE code and beeps until you turn it off. I tested the 3 thermostats, the thermister and the element and they all check out. The thermostats are at .6 ohms, the thermistor is at 13.1k ohms at 66 degrees and the element is at 10 ohms across the contacts. Samsung support was useless for at home diagnosis. Is there any way I can diagnose a bad control board or am I missing some piece of this diagnosis puzzle? Thank you

  2. #2
    Here is info on this unit.
    https://drive.google.com/drive/folde...0pXTTlDcGlXUWs

    I am assuming that you have already checked the vent system and air flow and that it is OK.

    There is not much you can do to check the board as appliance companies usually do not publish schematics of the boards.

    Did you check to be sure that the heater element was not shorted to ground?
    If not I would check that.
    Unplug the unit and both wires from the heater.
    You have already checked the resistance and it is OK.
    But check from each side of the heating element to it's case, both should be infinite ohms.
    If not the element is grounded and the heater needs replacing.

    I would also check the heater relay.
    Unplug the unit and the wires from the heater relay. ( both relays if it is a dual element unit)
    Then measure across the relay contacts.
    Should be infinite ohms.
    If a low resistance then the relay contacts are welded together.
    Either the board or the relay needs to be replaced.
    Finding just the relay may be difficult.

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