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Customer Questions and Answers for Resistor by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM9282840
Manufacturer Part Number: 279872

This fixed-value resistor is an electrical component used in select dryers to limit current in a specific control circuit. It helps the timer or electronic control operate correctly by dropping voltage to safe, design-intended levels.

  • Provides precise resistance to reduce voltage/current in the designated dryer circuit
  • Supports proper operation of the timer, control board, or end-of-cycle signal (varies by model)
  • Failure may present as a timer that won't advance, an inoperative signal/buzzer, or irregular cycle behavior
  • Replace if visibly burned/damaged or if testing shows an open or shorted condition
What's included: One resistor Install notes:
  • Disconnect power to the appliance before servicing
  • Access the console/wiring harness and note original wire routing
  • Make secure, insulated connections and route the resistor/leads exactly as original to avoid heat or chafing
  • After installation, run a test cycle to ensure proper operation of the affected function

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Questions & Answers

For Whirlpool Resistor (Part Number: OEM9282840)

1 Answer

James, The resistor would be the most likely cause for this and would be located in the control panel of your dryer.

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Anne for Model Number AL84201

My dryer won\t heat . I've checked all the connections - fuse , thermostat, Heating element .etc and there is positive connection on all . I've cleaned the ducts and vents which were plugged . When I removed element and put back on and started dryer it heated up then quit . The housing for lint collector was clogged . After cleaning it it will not heat up .I pulled the panel off and have connection to all sites except the resistor 3388706. The timer and push to start button was not working properly prior to this . Would re[lacing the Resistor solve my problem?

1 Answer

Anne, The model number listed is not showing as being a valid model number. Please recheck your model number and resubmit your question.

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1 Answer

Craig, a resistor would be measured using Ohms and it should have a resistance reading as it should be a closed circuit.

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1 Answer

Dave, The connections on the motor for the centrifugal switch will be Pins 1 and 2. If you start the dryer motor and test from these 2 leads, there should be 120 vac going across them that would go to the heater. If there is not then the motor is faulty and would need to be replaced. If there is then then look for thermostats, heater or timer to be faulty.

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1 Answer

The timer motor resistor should have a resistance reading of 4050 to 4950 ohms resistance at room temperature (+/- 10%)

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1 Answer

John, the timer motor resistor should have a resistance reading of 4050 to 4950 ohms resistance at room temperature (+/- 10%). Thanks,

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1 Answer

Clayton, Yes the timer motor resistor can get very warm to hot during a "regular cycle. It is a "resistor" and controls the voltage to the timer motor L2 connection(anywhere between 90 and 220 VAC, depending on the cycle chosen).

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1 Answer

Hello Lisa, You will first need to flip the breaker off and back on in case half of the breaker has opened. On this wiring configuration, if the thermal fuse opens, the dryer will not run. The components in the heating circuit are the timer, the thermal cutoff, the operating thermostat, the hi-limit thermostat, the heating element, the centrifugal switch in the motor assembly and the associated wiring. The starting point for troubleshooting should be the terminal block. Make sure there is 240Vac from one outside terminal to the other and there are no loose connections on the terminal block. To check for a loose wall outlet, look for burned spots on the prongs of the dryer plug that insert into the wall outlet. A burned spot is cause for changing the wall outlet and the dryer cord. If there are no problems found you will then check the heating element for 7.8 to 11.8 ohms of resistance and no short to ground. Then make sure there is continuity with no resistance across the thermal cutoff, the operating thermostat, and the hi-limit thermostat. If the thermal cutoff is found to be opened, replace the thermal cutout and the hi-limit thermostat, (since a bad hi-limit thermostat can cause the thermal cutoff to open). Also, very important to ensure a Full 4-inch diameter of the exhaust duct to outside atmosphere, short and straight as possible. Any flexible or semi-flexible ducting should be replaced with rigid 4-inch aluminum dryer exhaust duct, taping the sections together since the end of screws inside the ducting will catch lint and restrict airflow and cause a repeat issue. Should none of the previous checks reveal an issue, re-assemble the unit with access to the heating element maintained and remove the wire from the heating element to the motor, making sure it cannot contact the ground, re-establish power to the unit and start it in a heated dry cycle. Check for 120Vac on the4 heater terminal that the wire is removed from. IF no voltage is present and the wiring harness is intact, replace the timer assembly. If 120Vac is there but 120Vac is not present on the wire that has been removed from the heating element, replace the motor assembly as this indicates the centrifugal switch in the motor has failed.

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1 Answer

Kenneth, You can test the resistance of the resistor but we do not have the resistance value that it should have. If this checks ok then the issue will be in the timer itself.

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1 Answer

Daniel, No, the 279872 resistor will not work for the evaporator fan. It's under rated, and operates on higher voltages than the control board supplies. There is no listing for an individual resistor for the evaporator fan motor in your refrigerator. To properly repair your machine, you will need to order and replace the W11334745 / WPW10276647 Motor, Evaporator Fan. It will contain the fan motor and freezer defrost wire harness, in order to receive the resistor.

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