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Customer Questions and Answers for Speed Controller Assembly by Frigidaire

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Manufacturer Part
4.89 (64)
By: Frigidaire
Part Number: OEM11903934
Manufacturer Part Number: 134149220

Questions & Answers

For Frigidaire Speed Controller Assembly (Part Number: OEM11903934)

1 Answer

Hi Kirby. Use a volt/ohm meter part #@ MA-DM1 to assist you in your diagnostics. The door latch may be closed and allow tumbling only, not a full speed spin. If the bi metal contact inside the door latch does not tightly close then it is not allowing the full high speed spin on purpose for a safety issue. Door latch is part # 131763256. It will be advantageous to find the supplied tech sheet inside the cabinet to aid you in the diagnosis. It allows you to put the unit in a diagnostic mode which brings up fault codes and tells you which circuit needs assistance. If you double check the wiring harness connections from the main control board to the speed controller part # 134149220 and back to the motor part # 134869400. Use the ohms scale on the meter to insure the motor windings are within technical spec's and not shorted one by one to motor frame and chassis. Thank You.

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1 Answer

Hi Jeff. Unfortunately the control board manufacturer does not supply us with the part # for that particular varistor size. Which as you know is crucial for the board protection. The down to nuts and bolts question is why did the varistor blow ? This is the same reason as to why the manufactures solder a non replaceable board fuse. There is an underlying cause and you would be just replacing the end result. Use a volt/ohm meter part #@ MA-DM1 to assist you in your diagnostics. Find the service tech sheet inside the unit top ,side or in the front bottom cover under the door. It will allow you to put the unit in a field service diagnostic mode and bring up a fault code of the effected circuits. It explains the reasons and what to do . Like ohming the motor windings and testing them individually to ground. It will give you the ohm values. This way you can be certain of only needing the correct part. Sorry but the motor controller is part # 134149220. Make sure the connections are all tight. Thank You.

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1 Answer

Hello John. Sorry, but there is no fuse located on this model of washer. If there is power to the timer, and the timer does not work, you will need to replace the timer 137394200. Hope this helps.

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Dvalley for Model Number Sears 417.44144200

After five years the washer fell apart. The spider arm was broken and the bearing shot. I replaced drum and rear half of the outer tub assembly. Then the final spin would not run. I cleaned the timer contacts and it worked for a while. I replaced the timer. That helped for a while but it failed again. I replaced the door switch and it worked for a month or so. I finally tested the motor controller and got 35 meg ohms on pins 1-2, 2-3 and 1-3. My meter has a 4 MOhm range but it would not read. I set it to the 40MOhm range and it read. I suspect the board has issues, but the fact that the reading are 10x the norm nags at me. The rest of the wash cycle and spins run fine. The board is $150. I have replaced so much on this machine and am at the point of replacing it, but have sunk so much money in it that I would feel bad about scrapping it if it would only be a little more to get another five years out of it. New machines have a two year warranty.

1 Answer

Hi Dvalley. The motor windings will never read in meg ohms. Check to see if the motor windings are shorted to ground. The motor is part # 134869400. Thank you.

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Corrine for Model Number Gibson GWT445RFS2 front load washer

I just replaced the timer on our washer. At this point, it washes but the entire cycle takes a long time. It fills with water, then stops, washes a little, then stops again, washes more, then stops, rinses, then stops, spins, then stops. It seems to be doing everything at normal speed, just pausing between. It eventually finishes a load but it takes a couple of hours. Does this sound like it needs a new speed controller?

1 Answer

Hello Corrine. If the speed of the washer is in the slow stage, and it does not change on any cycle, you will need to replace the speed controller 134149220. Hope this helps.

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Clean1owner for Model Number FWTR647GHS0

I have a front loading Frigidaire model FWTR647GHS0 that suddenly quit tumbling in all cycles. Searching online, I found a recommendation to check the fuse in the Speed Control Panel. Mine was burned out, so I bought a replacement and installed it. Immediately after trying to start a wash cycle, the fuse burned out. That is when I discovered the Technical Data Sheet envelope taped to the inside of the cabinet. I went through all of the steps for diagnosing a motor not running, and here are the results: 1) Good Power 2) Good Door Switch 3) Good Voltage 120Vac 4) Pin 1-pin 5 120 Vac Pin 2-pin 5 120 Vac Pin 6-pin 5 44.8 Vac Pin 10-pin 5 120 Vac I wasn't sure about where to find the timer contacts, or the exact way I was supposed to test them, but I did notice on the WiringDiagram that 1C, 3C, 5C, and 7C are all connected to the YEL/BLK wire on the WHITE timer plug. So I inserted my volt meter contacts intothe back of the white plug to do the timer contact tests. ELECTRICAL POWER DISCONNECTED / TIMER SWITCH PULLED OUT 1C YEL/BLK-1B BLUE Continuity 3C YEL/BLK-3B PINK/BLK Continuity 5C YEL/BLK-5B WHT/RED Open 7C YEL/BLK-7B BRN Continuity ELECTRICAL POWER CONNECTED / TIMER SWITCH PULLED OUT 1C-1B .001 Vac 3C-3B .001 Vac 5C-5B 33.4 Vac 7C-7B .001 Vac 5) Fuse bad 6) Pin 1-pin 2 1.397 Meg Ohms Pin 2-pin 3 1.414 Meg Ohms Pin 3-pin 1 3.15 Meg Ohms These are all supposed to be 3 Meg Ohms +/- 10% 7) Pin 1-pin 2 2.6 Ohms Pin 2-pin 3 2.6 Ohms Pin 3-pin 1 2.6 Ohms These are all supposed to be 2.6 Ohms +/- 7% I'm quite sure I wouldn't have both the Speed Control Board and the Timer go bad at the same time, but I'm not sure which is causing the problem, and what is causing the fuse to burn out. I want to make sure I purchase the correct part the first time. Any help would be greatly appreciated.

1 Answer

Hello Clean1owner. You will need to test the motor and see if it is good. Unplug the connection to the motor and test pins 4 and 5. You should read between 105 & 130 ohms. If it is outside these readings, you will need to replace the motor 134869400. If the motor is good, and you have replaced the speed controler, you will need to replace the timer. Hope this helps.

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Shannon for Model Number FWT425RHS0

This was my first question :Just got a used frigidaire washer. It will not tumble or spin. Already changed the timer out (repairman suggested that first). When we were working on it, the motor turned the wheel about 2 revolutions and then quit. Is this a control board problem or is there a bad relay/ short or is there some kind of sensor that is not working properly? Second question - You suggested I check the door lock assembly to make sure it is working properly - how do I do this? It locks when the machine is turned on - Don't want to buy extra parts.

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