The procedure for pulling cabinet off of this washer to access the inlet water valve assembly is shown in the first image below. Be sure that you
unplug the washer
and shut off the water supply before accessing this internal component.
The second image shows the wiring diagram for your washer with the circuits traced through the hot water valve. This diagram shows that your failure could be in the water temperature switch, the inlet water valve or the wiring between components. The yellow line traces the circuit through the temperature switch on the HOT setting. The blue shows the circuit in the WARM setting. You could check the hot water inlet valve by switching the wires from the cold side to the hot side to see if the hot water solenoid will open with voltage from the cold water wires in the COLD setting. NOTE: Be sure that you have the washer unplugged when switching wires. Reassemble the washer or bypass the lid switch to test the fill after the wires are secured and the disconnected wires are dressed out of the way so that they do not short against the cabinet or other components. You should only conduct this test if you are completely confident in your technical ability to perform it.
If the hot inlet water valve is getting voltage but will not open, then the inlet water valve assembly will need to be replaced. If the hot water valve opens properly when voltage is applied to it, then your failure is in the wiring or the temperature switch.
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