Installation Sheet

20
Troubleshooting Tips
Follow the troubleshooting guide below to resolve common issues.
Issue
Possible Cause
Solution
My air conditioner is not
functioning at all.
The wall plug is disconnected.
Make sure the unit is plugged
in.
The LCDI power cord is
tripped.
Press the Reset button on the
LCDI cord.
The house fuse is blown or the
circuit breaker is tripped.
Replace the fuse with a time
delay type or reset circuit
breaker.
The control panel is off.
Turn the control panel ON
and set it to your desired
setting.
There is insufficient power.
Move the unit to another
outlet. Check your circuit
breaker. (Refer to the rating
label on the back of the unit to
determine the Amperage
draw).
The air from the unit does not
feel cold enough.
The room temperature is
below 17°C (62°F).
Cooling may not occur until
the room temperature rises
above 17°C (62°F).
The temperature sensing
element is touching the cold
coil, located behind air filter.
Straighten the tube away from
the coil.
The compressor shut-off by
changing modes.
Wait approximately 3 minutes
and listen for the compressor
to restart when it is set in the
COOL mode.
The air conditioner is cooling but
the room is too warm. Ice is
forming on the cooling coil
behind the decorative front.
The outdoor temperature is
below 18°C (64°F).
To defrost the coil, set the
unit to FAN ONLY mode.
The air filter may be dirty.
Clean the filter. Refer to the
maintenance section. To
defrost set the unit to FAN
ONLY mode.
The thermostat is set too cold
for night-time cooling.
To defrost the coil, set the
unit to FAN ONLY mode.
Then, set the temperature to
a higher setting.
The air conditioner is cooling but
the room is too warm. NO ice is
forming on the cooling coil
behind the decorative front.
The air filter is dirty and the air
is restricted.
Clean the air filter. Refer to
the maintenance section.
The temperature is set too
high.
Set the temperature to a
lower setting.
The air directional louvers are
positioned improperly.
Position the louvers for better
air distribution.