The service publications note that this error code is due to an issue with the motor control board, the motor, or the thermal protector. I have checked resistances at the wireharness thru to the motor and all resistances check within spec.
All solder point on the motor control board look OK and no signes of overheating anywhere.
I have also performed the automatic & manual diagnoistocs and I can get the unit to go thru a whole spin cycle, but when I run a wash cycle with clothes (even a small load of 4 small articles) The unit will trip a C1 error code when it goes in to spin mode.
Do you have any suggestions on further diagnosing what part is defective?
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The error F/15 is
shown on the display due to Motor Control Unit (MCU) Error
detected in the washing machine. In this problem check the
MCUin the washing machine. The motor is either
got stuck up or got overheated and got faulty. This will Help. Good
The error F/11 is
shown on the display due to Serial Communication Error detected
in the washing machine. In this problem check the
Communication between the Central Control
Unit (CCU) and the Motor Control Unit (MCU). This will Help.Good
The F11 fault code indicates a serial communication error between the Machine Control board and the Motor Control board. This can be caused by several different problems.
A failed Machine Control board could be failing to provide the Motor Control board with proper voltage. If this is causing the F11 code, then the Machine Control board would need to be replaced.
The Machine Control board could also be failing to supply proper voltage to the door lock assembly. The Machine Control board would need to be replaced for this failure as well.
Voltage flows from the Machine Control board to the Door Lock Assembly. The Door Lock then energizes and closes the Door Lock MAIN Switch. Voltage flows out of the Door Lock Main Switch to the Motor Control board. So if you have power into the Door Lock Assembly but not out of the Main Door Lock Switch, it will give you an F11. If so, you will need to replace the Door Lock Assembly.
You could have a bad Motor Control board that is causing this failure. A bad wiring connection between the Motor Control board and the Machine Control board could also cause this fault code. A bad wiring connection between the Motor Control board and the drive motor is also a possible failure. A failed drive motor could also cause the F11.
With so many possible causes for this failure, I recommend calling a service technician to diagnose and repair the problem in your washer. If you are able to unplug the washer and check the wiring connections, you may be able to find a loose wire harness connection that is causing the problem. Much of the diagnosis for the potential problems noted above requires live voltage checks. I do not recommend conducting these types of checks yourself. Unless you want to take a chance and replace the Machine Control board and the Door Lock Assembly,
HI. This F-1 code is in reference to the Machine/Motor Control board assembly. That entire board will need to be replaced, due to logic sector failure. The board is mounted just below the the control panel console. Use the service manual posted below this text to guide you through the replacement procedure.
The error F/07 is
shown on the display due to Motor Control Unit Errorin the washing machine.
The motor speed is not getting detected by the control board in the machine or
there is a confirm short in the motor control unit. This will Help.Good Luck.
"C1 = Average current limit Or Instantaneous current limit.
If a status signal comes back from the motor controller that a current limit has been breached, the unit will return to standby mode and display either CA for average current limit trip or Cl for instantaneous current limit trip.
Average current trip occurs if there is a 2 second average of current draw greater than 5.55 amps at the motor windings.
Instantaneous current trip occurs if there is a spike of 26 amps instantly at the motor windings.
This may signify problems with the drive motor, thermal protector, or motor controller. Over-loading the unit may cause this problem."
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