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F11 error code keeps occurring during wash cycle. Any simple (& inexpensive) fix?

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"F11" is a Serial Communications error between the Central Control Unit (CCU) and Motor Control Unit (MCU). The CCU is the main computer for the washer and is located directly behind the wash tub. The MCU is the Drive Motor Control board and is located in the rear of the washer adjacent to the Drive Motor on the left-hand side (facing from the rear with the back panel removed). The wiring harness can also cause the error, but it is not as common a problem.

Whirlpool is the manufacturer of both model washers and recommends the following troubleshooting advice. Remove the top panel of the washer by removing the three screws holding it in place in the rear. Once the screws are removed, the panel slides back, then off. Remove the rear panel of the washer for access to the drive motor and MCU. Now check the following:

- Check the wire harness connections between the CCU, the MCU and Drive Motor. Make sure all connections are attached and making good contact. Check for any broken wires or connector pins.
- Check the Drive Motor to see if it free spins and that the belt is still attached and not slipping. If the motor is seized, replace it. If the belt is broken or worn, replace it as well.
- Check the MCU. Connector 1 is the Serial Communications Link between the MCU and CCU. Connector 2 is the connector to the drive motor. Resistance checks across pins 1, 2, & 3 are the motor windings. Connector 3 is the power supply - 120VAC should be read across pins 1 and 2 with the door in the locked position. NOTE: The connectors are read 1, 2, and 3 from the bottom to the top with the MCU installed.
- Check the CCU. Verify connectors 7 and 11 are properly installed. Facing from the front of the washer, connector 7 is the 4th connector from the RIGHT along the front. This is MCU Power. Connector 11 is the Serial Communications link from the CCU to the MCU and is located along the left hand side of the CCU (the connectors are numbered 11 through 14 back to front).
- Check the Drive Motor. Remove the connector and perform resistance checks on the motor connector pins. Readings across pins 1 to 2, 2 to 3 and 1 to 3 should read 6 ohms.

In most cases this is an indication of a failed CCU. This is an easy repair that the average do-it-yourselfer can accomplish on their own. If the washer is still under a warranty, parts and labor would be covered. With no warranty, a replacement parts will vary in price depending on where you get them. There are several good websites available that you can order parts on line and have shipped directly to you.


NOTE: Remove all the connectors from the CCU ONE AT A TIME and reconnect to see if the error code goes away BEFORE you decide to purchase a new one. It is not common, but sometimes a flaky connection can generate error codes.

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Posted on Sep 10, 2010

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Our Kenmore washer displayed the "F11" code after 5 years of use. It first began once a week but increase to everytime in use. Through many frustrating issues dealing with Sears service, I've decided to tackle the problem myself. After following many previous posts with checking connections, the problem still continued. Finally I tried removing the Central Control Unit (CCU) board and lightly sanded all the contacts and reinserted it back. It's been working ever since. Save yourself a few hundred dollars and try this before handing your money to Sears. Needless to say I'll never deal with Sears again.

Posted on Nov 28, 2010

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What is error code F11 ?


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Kenmore Elite, Whirlpool Duet, Maytag Epic series Error Codes


The following are common error codes, with general definitions, associated with Whirlpool Duet series, Duet Sport series, Steam series, Kenmore Elite series and Maytag Epic series FRONT LOADING washing machines. The error codes pertaining to the washer you have, will be determined by the specific model number. All error codes are listed in the technical data sheet associated with the appliance.

F/H/F20 - NO WATER DETECT ERROR. No water detected entering the machine, or the pressure switch has not tripped after 6 minutes.

F01/F14 - EEPROM ERROR. Communication problem between the Central Control Unit (CCU) and Motor Control Unit (MCU), or inability to read the EEPROM data on the CCU.

F02/F21 - LONG DRAIN. Commonly associated with a drain pump failure or clog in the drainage system. Occurs when the drain time exceeds 8 minutes.

F03 - HEATER SHORT CIRCUIT TO GROUND. Occurs if there is a short circuit to ground detect on the heater.

F05/F24 - WATER TEMPERATURE SENSOR ERROR. Associated with NTC sensor out of range or heating circuit failure.

F06/F25 - DRIVE MOTOR TACHOMETER ERROR/STEAMER DEFECT. Occurs when the motor speed cannot be detected by either the MCU or the CCU. Or, for steam models, the steamer temperature has not reached the correct value.

F07/F15 - MOTOR CONTROL UNIT ERROR. An internal failure with the Motor Control Unit has been detected by the Central Control Unit.

F09/F27 - OVERFLOW CONDITION. Occurs when the Overflow Contact on the Pressure Switch is closed for more than 60 seconds. When an overflow condition is generated, the door remains locked and the drain pump will run constantly. Pressing PAUSE/CANCEL will clear the display, but often will not shut off the pump. UNPLUG washer to service.

F10/F31 - MOTOR CONTROL UNIT HEAT SINK TRIP. Occurs when the thermal protector on the MCU gets too hot.

F11/F28 - SERIAL COMMUNICATIONS ERROR/MOTOR CONTROL UNIT ERROR. Caused by either a communications problem between the Central Control Unit and Motor Control Unit, or Motor Control Unit internal failure.

F13/F30 - DISPENSER CIRCUIT ERROR. Occurs when the dispenser motor is not in the proper position.

Fdl/F22 - DOOR LOCK ERROR. Occurs when the door fails to latch after 6 attempts.

F23 - HEATER FAILURE. Occurs when the water temperature increase is less than 86 degrees F during the first 40 minutes.

F26 - DOOR SWITCH ERROR. Occurs when the door has not be opened for three consecutive cycles. Or, if the door switch remains open for more than 5 seconds while the door is locked.

Fdu/F29 - DOOR UNLOCK ERROR. Occurs when the door fails to unlock after 6 attempts.

F32 - PRESSURE SWITCH FAILURE. Occurs when no electrical supply from the CCU to the pressure switch is detected. Or, if the pressure switch contacts are worn out.

F33 - PUMP DRIVE SYSTEM ERROR. Occurs when the connection between the pump and the Central Control Unit (CCU) is lost.

F34 - UNLOAD. This failure is only for information purposes and is displayed in the error log history during diagnostics. Occurs when a load was detected in the drum during a clean cycle and the cycle had to be interrupted.

F35 - ANALOG PRESSURE SWITCH FAILURE. Occurs when there is a malfunction of the steamer component detected by the steamer electronic control board.

F42 - MOTOR CONTROL UNIT ERROR, REPETITIVE UNDERVOLTAGE. Occurs when 4 under voltage conditions are detected by the MCU during the wash cycle.

F61 - STEAMER COMMUNICATION FAILURE. Occurs when incorrect communication is detected between the CCU and steamer electronic board. Error should reset after running diagnostics.

F62 - STEAMER ELECTRONIC BOARD RELAY ERROR. Occurs when one of the steamer board relays (K1, K2, K3, K4) fails. Error should reset after running diagnostics.

F63 - TOTAL STEAMER FAILURE. Occurs when the steamer will no longer function and needs to be replaced.

F64 - STEAMER INLET VALVE FAILURE. Occurs when the steamer valve or flush valve becomes blocked. Error should reset after running diagnostics.

F65 - STEAMER TIMEOUT. Occurs when there is no communication between the CCU and Steamer Electronic Board. Error should reset after running diagnostics.

F70 - CENTRAL CONTROL UNIT (CCU) HEARTBEAT FAILURE. Occurs when no communication data is detected from the CCU to the front panel user interface.

F71 - USER INTERFACE HEARTBEAT FAILURE. Occurs in conjunction with F70 error due to no communications detected from the User Interface to the CCU.

F99 - NOT SUPPORTED. Mismatch of the User Interface and Central Control Unit (CCU). Or, corrupted EEPROM.

rL - WASH LOAD DETECTED INSIDE WASH TUB DURING CLEAN CYCLE. Detects any garments (by weight) that may be left inside the wash tub during a clean cycle. NOTE: Wash tub is to remain empty during a Clean Cycle.

Sd/SUD - SUDS LOCK ERROR. Occurs when too much detergent is used. Or, occurs in conjunction with F02/F21 error (Long Drain) due to obstructions in drain cycle.

The first step in troubleshooting any error code is to press PAUSE/CANCEL twice to clear, and verify your installation. Make sure the water inlet valves are turned on and connected correctly. If the error code remains, UNPLUG the washer for AT LEAST 30 minutes in an attempt to reset the Central Control Unit. In many cases a simple CCU reset will correct any momentary glitches or erroneous errors. If the error returns following a CCU reset, a legitimate error condition exists and must be corrected in order to return the appliance to normal operation. For more specific information and troubleshooting advice on how to remedy most problems, refer to the technical data sheet.

NOTE: EACH ONE OF THESE APPLIANCES COME WITH A TECHNICAL DATA SHEET INSIDE. THIS IS THE SAME SHEET AN APPLIANCE REPAIRMAN WILL REFERENCE ON A SERVICE CALL. REFER TO THE TECH SHEET FOR MORE DETAILED TROUBLESHOOTING INFORMATION.

The tech sheet contains troubleshooting data, wiring diagrams, diagnostics procedures, component illustrations and all error code definitions.



To access, you will need to remove the lower toe panel directly below the door. The access screws are located under the bottom front edge of the panel. You may have to prop the two front feet of the washer up for better access to the screws (a 2x4 works well for this). With the screws removed, the panel should drop down, and come off. If the tech sheet isn't directly behind the toe panel, it will be affixed to one of the interior cabinet walls.
It is recommended that the tech sheet be placed back inside the appliance when repairs are completed in order avoid losing and to keep this pertinent info for future use.

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Hi valued Consumer, We would like to inquire further about your post with you. Please respond back to this email address Whirlpool_Reviews@Whirlpool.com with your name, user id (Valued Consumer), phone number, street address, zip code, reviewer name, model & serial number, and date of purchase on the appliance.

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The F11 error occurs when the central control and motor control don't talk to each other.

If one of the controls was actually bad then I'd expect to see the error code every cycle. If it does, start by checking all the wiring connections from the panel to the CCU. Post back your results.

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