Question about Kenmore Elite 45986 Front Load Washer
I am getting an f 28 error on my washer and I am not able to locate what this error means. I had an f 21 error and fixed that where the filter was plugged.
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Posted on Jan 02, 2017
SOURCE: F11 error code on a
"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 08, 2010
"F21" (AKA SD) is a Long (SLOW) Drain error (LD). If the drain time exceeds 8 minutes this error code will be displayed. In addition, a "SUDS" error may also be displayed. This may be an indication of a drain pump problem and/or clog in the drain line. You will need to check the following:
1.First, attempt to unplug the washer for at LEAST 30 minutes to reset the Central Control Unit (CCU). Sometimes this is all that is required to correct momentary glitches with the unit. If the error code returns, proceed to step 2.
2.Check the drain hose to make sure it is not kinked or clogged.
3.Check the electrical connections to the pump and ensure the pump is running.
4.Remove the drain pump filter and check for foreign objects and/or debris.
To check the drain pump...
If you experience a problem where the washer does not drain properly or the drain pump makes excessive noise, here's the information you need to check the drain pump:
Symptom: PUMP IS RUNNING, BUT NOT DRAINING PROPERLY.
1. Unplug the washer while servicing inside the unit.
2. Remove the lower kick panel under the door by removing the three 7mm screws under the bottom edge of the panel. HINT: Use a couple of blocks of wood to prop up the front feet of the washer to gain better access to the screws. Once the screws are removed the panel should drop down, and then pull off. If the panel becomes stuck, a slight tap on either side will dislodge it.
3. Locate the drain pump. It will be located directly under the wash tub (it is the only pump this washer has).
4. There is an access removal cover on the pump that can be removed to clean out the trap. BEFORE doing this, it is strongly recommended that you remove all residual water from the wash tub & drain line or you will have about a gallon or so inside your washer and on the floor to clean up.
5. Here's a helpful way of quickly removing the residual water. If you own a wet/dry shop vac, remove the drain hose from the standpipe at the wall and pull a vacuum with the shop vac. This will empty the wash tub, pump and drain lines. If you don't own a shop vac, grab a bunch of old towels and open the access on the pump slowly so that it comes out at a trickle. Allow the towels to soak up the majority of the water. Close the access and stop the water if you need to get additional towels.
6. Open the pump access and remove once you have all the water drained. Check the drain pump for foreign objects and debris. Check the pump impeller and make sure there's nothing caught in it. Items as small as toothpicks or cotton swabs have been known to stop this pump from working.
7. Clean out the pump thoroughly and reinstall the access cover. Make sure the cover is snug, but do not over tighten.
8. Place the drain hose back in the standpipe (IMPORTANT - DO NOT FORGET!).
9. With the bottom panel still off, plug the washer back in and select the following on the operator console - DRAIN SPIN, NO SPIN, and then press any button under OPTIONS 4 times (it must be the same button). "C00" will show on the console display as the washer begins diagnostics mode.
10. Check the drain pump for leaks as the washer fills. The pump is gravity filled and will hold water even it is not pumping. Allow washer to run through diagnostics until it begins the wash tub tumble cycle.
11. At this point, you can stop the diagnostics procedure by pressing PAUSE/CANCEL 2 times. The drain pump energizes and the washer will begin to drain.
12. If the drain pump works normal and there are no leaks detected, reinstall the bottom panel and tighten screws.
NOTE: It is normal to have residual water left inside the wash tub under the wash basket. This is why it is important to leave the door ajar when not in use so this water does not become sour.
If the above procedures do not correct the problem, it is recommended by the manufacturer to replace the drain pump.
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Posted on Sep 23, 2010
"F20" is a No Water Detect error. It is an indication that you either have no water coming into the washer, or very little water at all. If the pressure switch has not tripped after 6 minutes, the error code is displayed. This can be a potential problem with the following:
If you have NO water in the wash tub, check the following:
- Inlet water valve may be clogged. Clean inlet screens if necessary.
- Make sure water taps are on.
- Check inlet hoses for kinks or clogs.
If you HAVE water filling the wash tub, check the following:
- Make sure you don't have a siphoning problem. Click the following link for instructions:
- Verify Drain Pump operation.
- Verify the Pressure Switch hoses are intact and connected properly.
- Verify wire harness connections at the pressure switch, inlet valves, drain pump and Central Control Unit (CCU).
To access the Drain Pump - UNPLUG the washer and take the lower panel under the door off by removing the three screws under the bottom edge. HINT: Propping the front feet of the washer up can make access much easier. I use a couple small blocks of wood. With the screws removed, the panel should drop down then come off. If it sticks, tap either side and it should come free. The pump is located directly under the wash tub in the front of the washer. Verify the electrical connections are good and that the pump is running. Click on the following link to check the pump for obstructions:
To access the Pressure Switch - remove the three screws in the top panel along the back of the washer. With the screws removed, the panel should slide back, then, lift off. The pressure switch is located on the right-hand side of the washer in the rear. It is a round plastic device with electrical connections and a plastic air hose attached. Verify the electrical connections are intact, and the air hose is attached and not cracked or leaking.
To access the Central Control Unit (CCU) - with the top panel of the washer removed, the CCU is located directly behind, and just above the rear of the wash tub. There should be a tech sheet directly behind the lower panel or attached to one of the interior cabinet walls. Please refer to this sheet to learn how to perform diagnostics and to verify the wire connections at the CCU. In addition, the tech sheet will also assist in how to locate the components mentioned, and the specific measurements required determining if the components are good or bad.
F35 is a water level error.
The water level switch (pressure switch) has malfunctioned.
If you remove the top panel, three screws in the back, you will have access to the pressure switch.
With the tub empty, remove the vinyl hose from the switch and blow backwards through the hose to clear any restrictions.
If the fault codes return after doing this, you will likely need to replace the pressure switch.
Also - please be sure to use He soap.
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Posted on Sep 26, 2010
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