Questions & Answers for: Frigidaire mcu error 3

...error is an indication a motor speed problem. You will need to check the following: - Check the wiring harness. Verify all connections between the Drive Motor, Motor Control Unit (MCU), and Central ...

...error is an indication a motor speed problem. You will need to check the following: - Check the wiring harness. Verify all connections between the Drive Motor, Motor Control Unit (MCU), and Central ...

error; means the control is unable to properly detect motor speed and the machine will shut down.If a failure occurs during high-speed spin the door will be unlocked after 3 minutes. Potential Causes:

...MCU with a new one. Reconnect all of the harnesses and retest. We had the same thing happened when we burned some toast in the broiler. If you are sure that everything is functionally OK, see others' ...

...error code is likely a loose connection in the harness between the motor and the (MCU) or between the (MCU) and the (CCU). It could also be the tachometer circuit in the motor or an intermittent ...