Whirlpool ACM052MM Service Manual page 41

PROBLEM
6. Compressor stops and
starts. Too short run-
ning time.
7. House circuit tripping.
8. Noisy operation.
PROBABLE CAUSE
6a. Incorrect voltage.
6b. Temperature control set too warm.
6c. Failed thermistor or thermostat.
6d.Failed compressor, controls for com-
pressor, or incorrect wiring.
6e.Fan motor too slow or condenser airflow
blocked.
6f. Condenser blocked.
7a. Incorrect fuse or breaker.
7b. Failed component or incorrect wiring.
8a.Loose parts.
8b."Pinging" sound noticed as drops of
water condensate hit fan blade.
8c. Mounting area not firm.
8d.Compressor could be overloaded due to
high ambient temperatures, or airflow
restriction.
8e.Fan motor.
8f. Compressor mounting nuts loose.
6a. Check for proper voltage.
6b.Instruct customer.
6c. Check thermistor by placing it
6d. Check compressor windings,
6e.Check for wrong motor, blower
6f. Clean condenser.
7a.Check for proper fuse or
7b.Check wiring and connections.
8a.Check fan blades, cabinet,
8b. Normal operation.
8c. Add support kit or improve
8d.Loose internally, inadequate
8e.Fan blades loose or rubbing,
8f. Tighten compressor nuts
5-3
CORRECTION
in ice water and check resis-
tance (see chart on page 4-1).
all wiring, overload and capaci-
tor for shorts.
wheel, or fan blade. Check for
low voltage, binding of fan
blade, blower wheel, or motor
bearings.
breaker. Check amp draw.
Check operation of all compo-
nents.
washers, tubing contact or
vibration, or loose screws.
installation.
lubrication, improper voltage,
remove airflow blockage.
bad bearing, or fan out of bal-
ance.
slightly to remove vibration
transmission.