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g. Low voltage.
h. Operating 60 Hz unit at 50Hz
i.
Sealed system problem
j.
Undercharge or overcharge
7. House circuit tripping
a. Incorrect fuse or breaker
b. Incorrect wirings
c. Malfunctioning components
8. Noisy operation
a. Mounting area not firm
b. Loose parts
c. Compressor overloaded due to
high
airflow restriction
d. Malfunctioning components
ambient
temperatures
- 20 -
installation
g. Check power supply
h. Use proper 60 Hz
i.
Check
for
restrictions
j.
Add or remove refrigerant
a. Check for proper fuse or breaker
b. Check wirings and connections
c. Check failed components
a. Add support to improve installation
b. Check fan blades, bearings, cabinet
washers,
tubing
screws.
c. Check for airflow blockage
or
d. Check for internal loose, inadequate
lubrication and incorrect wirings
loss
of
refrigerant
contact
and
loose
or
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