Probably because emergency vehicles are not around that often to have significant impact in the learning models.

Could it be scale buildup?

You can get machine cleaner powder (mostly sodium carbonate and citric acid) to clean the machine with the 90c cleaning program. The cleaning program is important since you want it to run 800rpm while full of water to rinse the entire housing.

Drawback is that you need to the run it again without detergent because you may dislike the smell of the cleaning detergent.

If you run the cleaning program with machine cleaner (basically sodium carbonate) it will run at speed with full water, rinsing the entire drum housing.

Not yet. Some songs though.

I’d recommend replacing the whole cord for a new molded plug instead of rewiring the plug.

Since rewiring the plug requires ferrules to be crimped (or it will get hot) and a pre-made cord should already have these.

Most of these devices have a little cap with access to the cord for installation in bathrooms with fixed cord. Pay attention to the strain relief.

Note; washers use a lot of power, a long time, unattended. No room for mistakes or “oh, she’ll hold for a while”. She will burn your house down.

If none of these options are feasable, the safest diy-redneck solution is to buy an outdoor junction box with cable glands and find a intact, similar gauge, power cord. And splice them with wago 221’s inside the junction box. The cable glands should provide some strain relief.

Do you have gfci breakers?