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©2002 Maytag Appliance Sales Company 16021814 Rev. 0 2-7
Section 2. Electrical Equipment & Testing
Electrical Test Equipment
The equipment required to service these models depends
largely upon the condition encountered. Locating a
malfunction will often require the use of electrical testing
equipment such as:
Appliance Test Meter
Clamp-On Ammeter
Motor Test Cord
Appliance Test Meter
An Appliance Test Meter is a multi-purpose tester
combining an AC/DC voltage tester with a multi-range
ohmmeter.
The easiest means of testing electrical components is
"Continuity Testing" with an appliance meter. Continuity
is a complete or continuous path from one point in an
electrical circuit to another.
The obvious advantages of being able to check electrical
components and circuits without power applied is one of
the features of the Ohmmeter. Multiple ranges allow
accurate determination of resistances of both single
components and entire circuit paths. Resistance is
measured in "Ohms."
To avoid risk of personal injury or death due to
electrical shock:
Always be sure the power has been disconnected
before making resistance measurements. Failure to
do so will also result in damage to your meter!
Internal batteries provide all the power needed to
make resistance checks. They should be checked
at least once a year and replaced as needed.
Continuity Testing: is a process of eliminating electrical
components involved in a given function of the appliance,
until the inoperative part is found. By reviewing the list of
possible electrical problems under a given condition, and
then performing appropriate continuity checks of the parts
involved, you should be able to locate the electrical
component which is inoperative.
NOTE: When checking components or circuit paths for
continuity, external wiring should be disconnected to
eliminate false readings through external paths. Isolate
what you want to test.
Digital Test Meter
can be used to check for open
or closed circuits, measure
resistance, AC and DC volts,
and temperature.
Analog Test Meter
can be used to check for
open or closed circuits,
measure resistance, AC and
DC volts, and temperature.
WARNING
!