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Customer Questions and Answers for Washer Water Level Pressure Switch by Whirlpool

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Manufacturer Part
4.89 (64)
By: Whirlpool
Part Number: OEM18063390
Manufacturer Part Number: WPW10415587

This switch monitors water levels in the washing machine tub and signals when the correct amount has been reached. Located near the control panel or top of the washer, connected to a pressure tube. Replace when the washer overfills, underfills, or won't start filling with water.

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Questions & Answers

For Whirlpool Washer Water Level Pressure Switch (Part Number: OEM18063390)

1 Answer

Brent, You will want to try to run the unit through a clean cycle without putting anything into it. This issue will most likely be caused due to detergent build up that causes more sudsing. If this is not the case then the pressure switch is not resetting and would be the cause of the issue.

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Tina for Model Number WFW9600TW01

I have a whirlpool that has the error code SUD and eventually goes to error code F35. After turning the unit on and off many times the washer eventually runs. I had a tech come out and he diagnosed it with a bad "steamer board control" which is discontinued. Everywhere online I looked I came up with the resolution to replace the pressure sensor which is easily available. Is this something I should try first b/c I have not found a single situation with these same errors that say its the steamer board.

1 Answer

Hello Tina. Yes, I have repaired many of these with a new pressure switch. Possible Causes/Procedure Check if pressure hose is fixed correctly. Check if the air trap is not blocked. Check if the hose is not blocked.

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1 Answer

Hello Zak. If this failure is displayed, the Central Control Unit has detected a malfunction of the analog pressure sensor. Possible Causes/Procedure Check if pressure hose is fixed correctly and without holes or damage. Check if the air trap is not blocked. Check if the hose is not blocked. Replace Switch.

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Bill S for Model Number WFW 9500 TW01

Got the sud and f35 error codes ..checked connections, blew out pressure tube,checked drain catch,(nothing in it). Called whirlpool (they knew less than I did from my internet studies and you tube watching). So I went and bought the APS switch ..installed it..still exact same codes . Sydney and then F35 ..still goes unto a daring loop and you have to unplug it. When I tried before,and after, the diagnostic cycle did the same--- started c00 and then pops out F35 and stops. Some where I read about checking the air dam? And some drain hoses in the bottom of the tub? I've mot read how,or where to do that,(I've also not tried to you tube that exact thing yet ! Any help appreciated ..I'm slready out the $132 for the APS..and they said there was no way to test if one was good or not ! Bill Spratt

1 Answer

Bill, There are two hoses involved at the drain pump the tub to pump hose WPW10467168 and the drain hose WPW10003250 The tub to pump hose will need to be disconnected from both, the tub and the pump and check for cogs and debris. Be careful with the ping pong ball, don't crush it or loose it. disconnect the drain hose from the pump and check to see if anything flushes out of the hose. You'll need some towels or containers to catch the water from the hoses and pump. Recheck the wires and connections between the Analog Pressure Switch, and the CCU (central control unit) and make sure there are no loose connections and that the pins are seated properly and tightly. There is a slight possibility that the Steamer Control W10172726 could cause the issue, but that should be the last resort, after everything else is checked and verified.

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1 Answer

Hello Mik. If the pressure switch is leaking, you will need to replace the pressure switch in the unit.

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Gary B for Model Number Whirlpool Duet Mod# WFW9600TA00

Keep getting code "SUD", cleaned bottom trap. small wire nothing else there. Tried diagnostics and it ran thru all codes ok. Tried to run thru cleaning cycle started out sud then went to F35. Hate to buy pressure switch if that's not issue. Going to blow out tube to pressure switch tomorrow. It's been acting up on and off past month. I'd unplug machine, plug back in and it would work. Last Thurs. washed five loads no issue today I can't get away from Sud code. Any help be appreciated.

1 Answer

Gary, Along with blowing out the pressure hose, you will want to pull the hose from the bottom of the tub and make sure that there is nothing that is clogged in this hose. There is a check valve that can get stuff clogged around it that can cause draining issue and will cause this type of issue. If all this checks ok then you would want to replace the pressure switch.

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1 Answer

Hello Paula. It sounds like the pressure switch is bad and will need to be replaced on the unit. The model number you provided is not working.

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1 Answer

Parker, To remove the hose from the pressure switch, you would just pull the hose straight off. For the pressure switch Press and release the 2 wire connector locking arms and pull the connector off the switch. Turn the pressure switch 90 degrees in a clockwise direction, and align the key on the switch with the slot in the chassis, then remove the switch from the washer.

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1 Answer

Milton, You probably mean the pressure switch or air dome hose WPW10004260 hose. Once you remove the top panel of the washer, you should find the pressure switch WPW10415587 mounted to the right side on the cabinet interior. The air dome hose will attach to the switch, and trail down the side of the tub and cabinet and attaches to a fitting on the drain pump housing.

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