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F21 error in Whirlpool washing machine

The Whirlpool laundry machine indicates a problem with the control module by flashing code F21 on the electronic display. For devices without a display, you can find out about the problem by signal lights. The second, fourth, sixth, and also the ninth signal indicator will light up on the control unit. This error may appear suddenly. The washing machine stops in the middle of the cycle or does not respond at all to the set program. You need to immediately contact the master from the service center. He will diagnose all parts of the mechanism and repair the device.


To reset the F21 error code, you need to figure out why the failure occurred. Most likely, there were malfunctions in the operation of the electronic control module. To solve the problem, do the following:

  • Check all contacts and wires connecting the control panel with the electronic module, if necessary, restore the damaged areas,
  • In the event that this did not bring any results and the breakdown remains, you need to install a new electronic board.

Contact the service center if you need help. If you have any questions or want to call the technician, call us (order a call back).