
149Appliances and Equipment Failures
Figure 6.14 illustrates the basic components of the standard coee maker available
through a variety of manufacturers.
is type of coee maker has a water reservoir usually located on top of the unit, which
allows water to ow down a hose to a steam pump. e heating element in the pump turns
some of the water into steam, which pushes the heated water up the neck, through the
spout, and down into the ground coee. Aer the water has passed through, the thermo-
stat turns the heating element o, but the warming element stays on. ese devices may
fail because the heating element is in close proximity to the sur ...