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Customer Questions and Answers for Rotary Encoder (Cycle Selector), 1-Pack by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18056157
Manufacturer Part Number: WPW10285512

This rotary encoder mounts behind the washer's cycle knob and tells the main control which setting you select. When it fails, selections may be erratic or unresponsive. Replacing it restores accurate, dependable cycle selection. What it does

  • Detects the position of the cycle selector knob
  • Sends selection signals to the main control board
  • Enables precise cycle and option changes
  • Common symptoms: knob turns but lights don't follow, random/incorrect selection, can't select a cycle, won't start
What's included
  • One rotary encoder
Install notes
  • Disconnect power to the washer before servicing
  • Access the control console and remove the knob/dial to reach the encoder
  • Note orientation, unplug the harness, release tabs/screws, and swap in the new encoder
  • Handle electronics carefully and avoid static discharge; verify knob-to-light tracking before reassembly

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Questions & Answers

For Whirlpool Rotary Encoder (Cycle Selector), 1-Pack (Part Number: OEM18056157)

1 Answer

Michele, If the lock is working on some cycles then this would be an issue with the main control board on the unit.

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1 Answer

Bill, You will want to check the screens on the water valve to make sure that they are not clogged. If this checks ok then check the thermistor to make sure that it is good. If this checks ok then the issue will most likely be the water valve.

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1 Answer

Hello Mike. Check and see if the drain pump has a partial blockage in the unit. If not, then you will need to order and replace the drain pump on the unit. If you think the drain time is wrong, then the board will need to be replaced. Usually it is the pump and not the board.

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1 Answer

Hello Gary. That usually indicates the lid lock is bad and will need to be replaced on the unit.

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1 Answer

Hello Chris. Based on the information you provided, it sounds like the control board W10480289 is bad and will need to be replaced on the unit.

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John B for Model Number WTW4800B Whirlpool "POS" washer

Have a Whirlpool WTW4800B washer ,bought just over a year ago. Now having function issues with the unit . After it completes a complete wash cycle it stops and unlocks. If you do not open the lid to unload within just a few minutes the washer start refilling and start a completely new wash cycle. It will do this over and over. Tried unplugging it in hopes it would reset the timer/ control board but did not help. Would this be a control board issue or something else? Honesty this washer has been a piece of crap since we purchased and my wife hates it but if it can be fixed for a fair price I will have to repair for now. Belt driven ( walks all over the room if the load is not balanced). Once you select a water level and start it you can't adjust the level. Lid lock is a pain in the butt as you can not open the lid during a cycle to add solution or check on load. Anyway sorry to vent! Just need your professional help and input. Thanks John Blythe

1 Answer

Hello B.F., You should begin by running the units' diagnostics to see if there are any fault codes. If there are no codes or the unit will not enter the diagnostic mode, the control W10393483 is the most likely cause.

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1 Answer

Hello Will, If the unit doesn't drain, the issue is most likely a bad drain pump WPW10276397 or a foreign object blocking the drain pump impeller. If the unit is draining you will need to pull the tech sheet and run the diagnostic test mode.

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