20
Troubleshooting
Problem
Possible Causes
Not all of the following problems are malfunctions.
Air conditioner is not operating.
Controls cannot be set
Temperature cannot be
changed
Noise suddenly rises during
operation.
Room temperature does not
drop
When first operating, the air
emitted has a strange odor
Air conditioner is giving off
some weird noises
Air conditioner cannot receive
signal from the remote control
● Not a high enough voltage supplied from
your wall power outlet
● Power plug is loose or in TEST mode
● The temperature cannot be adjusted while
in auto mode
● You are trying to exceed the temperature
range of 61-86°F
● Might be some interference from storm or
radio
● Compressor has just powered on
● Unit is not firmly placed in your window
● Air filter is dirty
● Close doors and windows in the room
● This is normal when the unit just starts
operation. Give it some time and the
smell will disappear
● Normal sounds from the refrigerant flowing
inside the air conditioner
● Panel may have shrunk/expanded due to
the temperate changing rapidly
● Out of the 25 foot range
● Interference from radio, fluorescent lamp,
or other source
● Batteries are low in remote controller
