F-05
F05 machine means "Pressure switch jammed"
Try first cutting power to the machine for two minutes, if that reset the code, then the problem was temporary.
If not :
Check if the machine drained, or if water is not being drained.
If drain system works .take off the the lid , locate the switch, it must have a small hose attached.
Remove the rubber hose attached to it, and unlock it by blowing into the hose.
If the water does not drain,
this will also cause the pressure switch error.
In this case check the drain hose , and the drain pump.
Finally, ta faulty timer control board can cause the error, you test the control PCB if lid switch and drain system are OK.
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