Home HME020003N - Troubleshooting Common Issues; Unit Not Starting or Cooling; Cooling Performance Issues; Airflow and Noise Problems

13
Solution
Wall plug disconnected. Push plug rmly into wall outlet.
House fuse blown or circuit breaker tripped. Replace fuse with time delay type or
reset circuit breaker.
Plug Current Device Tripped. Press the RESET button.
Power is OFF. Turn power ON.
Room temperature below 62
O
F (17
O
C ). Cooling may not occur until room
temperature rises above 62
O
F (17
O
C).
Temperature sensing behind air lter element touching cold coil. Keep it from the
cold coil.
Set to a Lower temperature.
Compressor stopped when changing modes. Wait for 3 minutes after set to the
COOL mode.
Outdoor temperature below 64
O
F (18
O
C). To defrost the coil, set FAN ONLY mode.
Air lter may be dirty. Clean lter. Refer to Care and Cleaning section. To defrost,
set to FAN ONLY mode.
Thermostat set too cold for night-time cooling. To defrost the coil, set to FAN
ONLY mode. Then, set temperature to a Higher setting.
Dirty air lter - air restricted. Clean air lter. Refer to Care and Cleaning section.
Temperature is set too High, set temperature to a Lower setting.
Air directional louvers positioned improperly. Position louvers for better air
distribution.
Front of units is blocked by drapes, blinds, furniture, etc. - restricts air
distribution. Clear blockage in front of unit.
Doors, windows, registers, etc. Open - cold air escapes. Close doors, windows,
registers.
Unit recently turned on in hot room. Allow additional time to remove “Stored
heat” from walls, ceiling, oor and furniture.
Dirty air lter - air restricted. Clean air lter.
Outside temperature extremely hot. Set FAN speed to a Higher setting to bring air
past cooling coils more frequently.
Air movement sound. This is normal. If too loud, set to a slower FAN setting.
Window vibration - poor installation. Refer to installation instructions or check
with installer.
Problem
Air conditioner does not start
Air from unit does not feel cold enough
Air conditioner cooling, but room is
too warm - ice forming on cooling coil
behind decorative front.
Air conditioner cooling, but room is too
warm - NO ice forming on cooling coil
behind decorative front.
Air conditioner turns on and off rapidly.
Noise when unit is cooling.
TROUBLESHOOTING TIPS
Before calling for hOme
®
customer service, review this list. It may save your time and expense. This list includes common
occurrences that are not the result of defective workman-ship or materials in this appliance.