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Customer Questions and Answers for Dryer High-Limit Thermostat by Frigidaire

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Manufacturer Part
4.89 (64)
By: Frigidaire
Part Number: OEM6394440
Manufacturer Part Number: 3204267

Dryer won't heat or shows E64 error? High-limit thermostat cuts power if overheating occurs. Moderate DIY fix with our video guide and instructions.

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Questions & Answers

For Frigidaire Dryer High-Limit Thermostat (Part Number: OEM6394440)

1 Answer

Hello Colleen. Once the screws are removed, you slide the top toward the back and then lift it off the unit.

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1 Answer

Colleen, The most likely cause for the unit overheating and not working now would be a clogged vent that caused the thermal fuse on the blower housing to blow. Check venting from blower wheel to the outside of the home.

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1 Answer

Jordan, With the unit operating on the no heat cycle with no issues then it sounds more likely that the heating element could be grounding out. Normally when this happens it may trip the breaker but is possible.

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1 Answer

Jamie, The "loud squeaking noise" is most like due to a dried out and worn 5303281153 drum bearing kit. The excessive heat on the top of the cabinet is probably due to a clogged or restricted exhaust vent. If the heat can't be extracted through the vent system the heat will escape into the cabinet.

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1 Answer

Mike, You will want to check the control thermistor and make sure that it is good. At room temperature the resistance should be 50K ohms. If not then the control thermistor would be faulty and need to be replaced. The part number for the control thermistor is 134587700.

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1 Answer

Wes, It sounds like there may be an error code popping up on the unit. If you access the tech sheet for the unit, it will tell you how to check diagnostic codes and what they mean. This will help with determining what is going on with the unit. More than likely you will need to check the thermostats and thermistor for the unit.

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1 Answer

Dresz, There are 2 components other than the thermostats which would cause the heating element not to work. First is the motor and second the timer. The best option is to disconnect the power to the unit and access the heating element. Disconnect one wire that is going to the heating element, preferably the one on the thermostat side. Plug the unit back up and using a multimeter you will want to turn the dryer on and test for 120 vac at the terminal on the heater where the wire was disconnected. What this will do is eliminate the heater element itself and the motor. If there is 120 vac at this point then you know the heater is good and the motor is good because the other 120 vac coming through the thermostats is the timer side of the circuit. If there is not 120 vac at that point then you will want to test the other terminal on the heater and check for 120 vac. If there is not 120 vac then the motor would be bad and if there is 120 vac then the heater would be the issue.

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1 Answer

Hello Curtiss. Sorry, without a model number, we have no way of finding the correct element for the unit.

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