Amana AAC051FRB Service Manual page 12

Troubleshooting Information
To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit and
discharge capacitor through a 10,000 ohm resistor before attempting to service, unless test procedures require
power to be connected. Ensure all ground wires are connected before certifying unit as repaired and/or
operational.
Symptom
Wattage decreases immediately.
Wattage continuously high.
Evaporator coil partially frosted.
Evaporator completely iced.
12
!
WARNING
Possible Causes
No refrigerant.
Compressor faulty.
Refrigerant overcharge.
Insufficient air flow.
System low on refrigerant.
Restricted capillary tube.
Insufficient air flow.
Low outside temperature.
Restricted capillary tube.
Insufficient air flow.
16022379 Rev. 0
Corrective Action
Test sealed system for proper
charge. Ensure system is free
of leaks. Repair as required.
Check compressor motor
windings for open/shorts.
Replace compressor if
faulty.
Test sealed system for proper
charge.
Inspect air filter, indoor/
outdoor coil for dirt. Clean as
required. Check fins on coils
for damage. Straighten fins if
bent, attempt other repairs as
necessary. Replace coil if
repairs cannot be made.
Test sealed system for proper
charge. Ensure system is free
of leaks. Repair as required.
Replace capillary tube.
Inspect air filter, indoor/
outdoor coil for dirt. Clean as
required. Check fins on coils
for damage. Straighten fins if
bent, attempt other repairs as
necessary. Replace coil if
repairs cannot be made.
Turn unit off.
(Consumer education)
Replace capillary tube.
Inspect air filter, indoor/
outdoor coil for dirt. Clean as
required. Check fins on coils
for damage. Straighten fins if
bent, attempt other repairs as
necessary. Replace coil if
repairs cannot be made.
©2003 Maytag Appliances Company