Question about Washing Machines
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Posted on Jan 02, 2017
Just in case there is a pull string with a loop, all plastic under the latch, need to pull the toe panel off and reach up inside the right, unplugged of course until you feel the switch. a pull latch is below the switch incase this happens and hats off to all star/ a serial error or a faulty switch is most of what causes this to start.
Posted on Sep 04, 2008
First of all, make sure you unplug the washer before making any measures, and make sure you unplug any connectors from the CCU, so you aren't reading parallel paths. Isolate the components you wish to test from the CCU or you may get inaccurate readings.
The reading across the heating element terminal should read 15 ohms. Make sure you aren't grounding your probe against the case, or you will get improper readings.
The NTC will read approximately what you have at room temperature. Was the connector plugged in before you began troubleshooting? A common problem is the connector falling off and generating the error code.
As far as the connector plug on the CCU is concerned, plug layouts can differ between models. Make sure you have the correct connector plug to the NTC. You may have to hand over hand it to find it. Unplug the connector at the CCU and leave it plugged in to the NTC. Perform a resistance check across the PLUG terminals. You should get the same readings as you mentioned before if the plug and wires are good. This not checks the resistance of the NTC, but also proves continuity of the wires.
Doublecheck your readings and let me know what you have. I would like to rule out a CCU problem. It is not common for this error code. I hope this helps you.
Posted on Sep 05, 2008
you said, you when the unit is started in any cycle it will lock the door and then run water in for a couple of seconds. It then stops the water and unlocks and immediately locks again. There is no further action except the timer counting down until f-28 code. There is no tub rotation and the ccu was replaced.
I see you did a couple of tests and replaced the CCU!!
You did do what I would have suggested.
You may need to use hands on service this time!
rather than swapping out expensive parts blindly!
Let me know...
Please remember to leave a rating
This is the condition fo the F28 error code
SERIAL COMMUNICATION ERROR
The communication between the Central Control Unit (CCU) and the Motor Control Unit (MCU) cannot be sent correctly.
This is what you need to check and or repair
1. Unplug washer or disconnect power.
2. Check wire harness connections to the MCU, the motor, and Central Control Unit (CCU).
Check connections of the CCU board within the housing.
Make sure all grounding switches are engaged.
3. Check the drive system for any worn or failed components.
4. Plug in washer or reconnect power.
5. Verify CCU operation by running a Diagnostic Test or any cycle.
6. Check the MCU by looking for operations of the drive motor.
7. Check the drive motor for powered rotations.
8. Check that the serial harness at the MCU is not mounted upside down. The wires should be to the left when facing the MCU connectors.
Posted on Oct 13, 2008
SOURCE: WFW9200SQA12 F22 code problem
The problem you are experiencing is a Long Drain error. You need to check the drain pump reservoir and drain lines for obstructions. the following link explains how:
If cleaning the pump does not correct the problem, it is recommended by the manufacturer that you replace it. It does not take much to permanently damage these small pumps. If anything has been lodged in the intake if the pump for any significant period of time, the motor and/or impeller may become damaged. This results in a pump they "appears" to be running, but may not be pumping anything.
In addition, check the drain hose that runs from the bottom of the wash tub to the intake side of the drain pump. I have personally found small articles of clothing lodged in this area blocking the drain pump. Garments bags are highly recommended for small articles to prevent this.
I hope you find this information helpful. if you require additional assistance, please let me know.
Posted on Dec 16, 2008
SOURCE: I have a Kenmore HE2
Let's focus first on error codes F22 and F26. Error code F22 is door lock fault and it flashes when the door lock fails to activate after 6 attempts while F26 flashes when the door switch is opened for more than 5 seconds while the door is locked or when the door is not opened after 3 consecutive cycles. Since you cannot do 3 consecutive cycles without opening the door, this may indicate that the door switch contacts are welded together. But both error codes may also indicate a malfunctioning CCU or any other component such as the motor controller unit (MCU).
Disconnect power then start troubleshooting the machine by disconnecting the MCU wire harnesses (MI3 and MS2) from the CCU then reconnect power and start the machine. If error codes F22 and F26 go away, then the MCU must be the culprit, replace it. If the error codes do not go away, disconnect power then test the continuity of the terminals of door switch harness DS2 both with the door open and close. It must have continuity, if the door lock and switch assembly is good, when the door is close and none when the door is open. Also test the continuity between the terminals of connector DS2 on the CCU and it should read open.
Proceed with the troubleshooting of the door lock switch and solenoids if the door switch contact is open when the door is open and close when the door is close. Disconnect power then disconnect the door lock switch harness from connector DLS2 on the CCU. Jump a wire between the terminals of DLS2 on the CCU then close the door firmly. Reconnect power then start the machine.
Post back the result of the tests and your observations about the behavior of the machine as you do the tests. It will help determine which part is causing the problem.
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Posted on Nov 03, 2010
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