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Re: cold h20 not going into tub, and LF light comes on...
Is the cold water valve on if so your water valve screen is probably clogged . disconnect your hoses from the machine and clean out the sediment. LF is long fill the rinse is usually cold water .that you do not have. good luck let me know what you find.
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LF means long fill. Turn off the water and remove the hoses from the back of the machine, inspect the screens inside the washer water valve for debris. Stick the hoses into the washer tub and turn the water on, verify you have good water flow. If all of this checks ok then you either have a bad water valve or the control is sending power to the secondary diverter valve but not the primary hot/cold valve or vise versa.
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This is a long fill (LF) check the inlet hoses for the screens being clogged...if it takes longer than 10 minutes to fill ..it cuts off and shows LF ..check that either water valve is not turned off or almost turned off...also, alot of people just use cold...make sure the selector is set for cold/cold if using this cycle...another possible fault is the mixing valve is bad/or going bad..Either way consentrate on this and you'll find your solution
"LF" is a Long Fill error. If the fill time exceeds roughly 10 minutes, the fill valves are shut down and the error code is generated. If the error does not clear, or keeps reoccurring, it is recommended that you doublecheck to make sure your water taps are on all the way and check the hoses for kinks or clogs. If everything checks okay, check the screens on the fill valve for sediment build up. You may need to replace the valve.
If your machine is a FAV6800AWW or FAV9800AWW the (upside down u and f) may be a “NF” for no fill error.The washer has tried to fill the machine with water and has sensed a water fill issue.The control board has shut the wash cycle down with an “NF” error to the display because of excess time to complete the water fill portion of the wash cycle. Will the machine complete the cycle with Hot water only or Cold water only?I would do a Quick Wash cycle just to test with an empty wash basket. Regardless of the above test and assuming you have good water pressure for both Hot and Cold supplies to the washer I would do the following. Close the water source valves to the washer and remove the Hot and Cold hose connections at the back of the machine and check for clogged inlet screens.If the water inlet screens are free of restrictions I would go into Service Mode and turn on the Hot and Cold water valves on one at a time and make sure the tub will fill with about 2 inches of water in about 3 minutes in service mode.Check both Hot and Cold inlet valves individually see page 16 of the SM Board Output Test, enter service mode and do the function test for both Hot and Cold Water Valve’s.If the inlet screens are clean and you have water fill restrictions in service mode we may need to look at replacing the water inlet valve assembly.You can turn on the drain pump in service mode to empty the tub or just start a wash cycle and the machine will empty the tub. The Service Manual for reference. Sears Parts Direct for reference.
LF means long fill. So the washer is taking too long to fill. Make sure your hoses are connected to the right spot on the water valve. (hot on hot and cold on cold). Also check that the taps are fully open. If this is good remove the hoses from the washer water valve and put the end into the washer tub. Turn on the hoses and check for good flow. They're good? Check the mesh filter in each inlet of the water valve. All clean? Replace your water valve. Good luck!
The fact that you have 240V to the valve does not prove that the valve is o/k. Determine which is the live wire, and leave connected to valve coil.
You need to remove the neutral wire from the valve, and test with your meter that as well as having 240V going in, you have 240V coming out on the other terminal, if you have not , then you have a faulty valve..Simply replace it.
I assume that you have a neutral feed to the valve, because if you have not, then the fault is probably in the pcb board.
The coils on these valves often go open circuit.
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the h20 valve mixes the water even on cold setting. if you don't have water hooked up to the hot side then the water will come out at the valve. just cap the valve. you can get the cap at a hardware store just ask for a garden hose cap like you would use for a sprinkler hose.