Hi, I have a Kenmore HE2 washer that keeps giving me the f21 code. I check the filter and hoses for anything stuck in them. Changed out the pump and pump motor. Neither have done the trick. I have also been starting to get an SD code (I use HE soap and the recommended amount or less). Also, when I try to clean the washer it detects a load in the drum, but there is nothing in it. Any ideas what to do?
Answer Melissa, The F21 and the SD error codes would indicate an issue in the water level switch W10163980 or air tube 8540294 between the switch and the drain pump, since you've eliminated the drain pump and hoses as the possible problem. Disconnect the air tube from the water level switch, Blow in the end of the hose, check and make sure the hose isn't kinked or twisted, etc. Blowing into the hose will usually clear any sediment or debris that accumulated inside the air tube. If the F21 or SD issue persists, replace the water level switch.
I have a LF error code. What do I do?
Answer Hello Jake. Possible Causes/Procedure
- Check if the home has low water pressure; open the water faucets.
- Unplug washer or disconnect power.
- Make sure that cold and hot valves at the water source(s) are turned on all the way.
- Check for plugged or kinked inlet hoses or plugged screens in the inlet valves.
- Check all hoses for possible leaks.
- Check if the customer used an after market “no flood” hose. This can sometimes
stop the flow of water to the washer.
- Make sure that wire harness connections from Inlet Valves (double and single),
Drain Pump, Pressure Switch, & CCU (PR6, DP2, VCH7, and DI6 cavities connectors)
are not broken or with wires detached, and that connector internal pins are visible.
- Check the continuity between the following components:
A. Inlet valve connectors (double and single)to the CCU (VCH7 and DI6 cavities)
B. Drain Pump & CCU (DP2 cavity) connectors
C. Pressure Switch & CCU (PR6 cavity) connectors.
-If the continuity diagnosis failed, Main Harness must be replaced.
- Check the resistance of the Inlet valve in each port of the valve (double & single).
- Make continuity test to the Pressure SW.
- Verify that the pressure switch hose is in good condition and properly connected
to tub and pressure switch.
- Check hose for possible leaks. Remove hose from pressure switch. Make sure
that the open part where the hose is connected doesn’t have debris.
- Check pressure switch operation. Remove pressure switch. Blowing air through
the opening, the two internal switches are heard one by one.
- Check for Suds.
- Verify there is not a siphon problem.
- Make sure that all the connectors are fully seated.
- Plug in washer or reconnect power.
- Verify the washer operation by running the Diagnostic Test cycle.
- After the diagnostic test has finished, unplug washer or disconnect power
and wait for 15 seconds.