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Ask Appliance Tech Larry Your Own Question
Appliance Tech Larry
Appliance Tech Larry, Home Appliance tech
Category: Appliance
Satisfied Customers: 19183
Experience:  Over 35 years of in home appliance repair and service
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have whirlpool duet washer showing f25 code checked all connections

have bare wires showing on... Show More
have bare wires showing on rpm sensor on end of motor separated them and still showing code what else can i do
Submitted: 5 years ago.
Category: Appliance
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replied 5 years ago.
Hello I'm Larry and thank you for using this service. I'll be helping you with your problem today.

F25

DRIVE MOTOR TACHOMETER ERROR

If the control is unable to properly detect motor speed, the machine shuts down.
If a failure occurs during high-speed spin, the door unlocks after 3 Minutes.

Possible Causes/Procedure

1. Verify the shipping system including shipping bolts, spacers and the power cord are removed.
2. Unplug washer or disconnect power.
3. Check drive motor tachometer resistance. It should be approx. 115 ohms.
4. Check wire harness connections between the drive motor and the Motor Control Unit (MCU), and between the MCU and the Central Control Unit (CCU).
5. Plug in washer or reconnect power.
6. Check the MCU by looking for operations of the drive motor.
7. Check the drive motor for powered rotations.
Customer reply replied 5 years ago.
tried everything there it all checks out still showing code
Appliance Tech Larry, Home Appliance tech replied 5 years ago.
will it wash and spin?
Customer reply replied 5 years ago.
no tries to spin but turns over aboot twice and stops
Appliance Tech Larry, Home Appliance tech replied 5 years ago.
the problem is the MCU (motor control unit) and you can get it at a local appliance parts dealer in your area with the model number and its just inside when you remove the lower front panel ,,, thanks