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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

Hello Michael, This is an issue of air flow. You need to check the entire exhaust duct for clogs and crimps. When the unit cannot exhaust the moist air, it is blown past the drum seals and released directly back into the cabinet. This makes the sensors continue to pick up the moisture and the timer will not advance. The duct should also be as short as possible. To verify that this is correct information, remove the exhaust duct and turn the unit on, on an auto-dry setting. Within about 5 minutes, you will be able to tell that the timer has begun to advance. As far as the resistor 279872 goes, it can be at fault, but if you test it with a resistance meter set to the proper scale to read up to 5000O, (or 5KO.....same thing), This resistor should give a reading between 4050O and 4950O. If the reading you get is between these readings, the issue is the exhaust duct. And, by the way, this resistor is the satisfactory substitution as recommended by the manufacturer. Our compatibility tool does not always recognize crossed or substituted parts.

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1 Answer

Hello TW. Yes, that is the switch. If the heat is made into the timer, you will need to replace the timer if the heater is good.

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1 Answer

Ashley, The resistor you listed attaches to two terminals on the dryer timer 696876. You'll need to remove the console back panel to access the timer and replace the part. The resistor is usually installed or attached on the TM terminal and the OR or Rd heater termials on the timer. It'll be easy to determine, once you have access to the timer. Thanks

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1 Answer

Hello Eli. The resistor 279872 is located inside the control panel of the unit. You will need to access the inside and look for the resistor. It is a part of the wiring harness of the unit. Hope this helps.

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1 Answer

Hi Carl. It sounds like you done your checks mostly. The old saying is that with moisture on the door, and all your explanations lead to a definite restriction. If everything is clear then you need to check when the unit is pushed back into place. You know, in the "natural" position. General rule of thumb is that you do not need any more length of vent behind the dryer that is required to have when you pull it out one length. If you get another person to use a broom handle end and gently curve the metal flex-duct as the other person pushes the unit back. So now it is not kinked. When there is a kink or a restriction, then the heat and moisture will not be released to the outer atmosphere. Then it gets held back. The internal components prematurely fail. The heating element is now white hot instead of red hot. Expanding the heater coils and shorting them out or as they expand and contract, they eventually break. Thermal cut out fuses open as a safety issue. Over and over until the vent issue is corrected. Plastic vents w/sags, lint back up causes upwards of 20,000 house fires a year. Is the lint tray housing clean ? Is the blower wheel turning up to speed ? Do you hear any rattling ? Blower wheel part # WP694089. The digital volt/ohm meter is part # WB27T10549. Make sure the terminal block wires are tight. Are you getting 240 vac from the house breaker? You need to make sure you have 120 vac between the center post (neutral) and the outer 2- legs respectively (each). Linteater kit part # TJRLE202. Crevice wand part # 8171579A. Thank You. --

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1 Answer

Hi Larry. Your model has a resister in line from the orange wire at the timer going to the heater. Check it for 4050-4950 Ohms. If it is without 10% of the value then replace it. Part # 279872. Then you need to check the Red wire at the motor while running to see if it has 120 vac output. This is the supply voltage from the motor centrifugal switch inside the motor. If not it is part # 279827. You have a wiring diagram in behind the timer area to assist you. Thank You.

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