User Manual
23 
Troubleshooting Tips Continued 
Issue 
Possible Cause 
Solution 
The air conditioner is 
cooling but the room is too 
warm. NO ice is forming on 
the cooling coil behind the 
decorative front. 
The front of the unit is blocked 
by drapes, blinds, furniture, etc., 
that restrict air distribution. 
Clear any blockage in front of 
the unit. 
There are open doors, windows, 
etc. 
When entrances are open cold 
air escapes. Close doors, 
windows, etc. 
The unit was recently turned on 
in a hot room. 
Allow additional time to remove 
“stored heat” from the walls, 
ceiling, floor, and furniture. 
The air conditioner turns on 
and off rapidly. 
The air filter is dirty and the air 
is restricted. 
Clean the air filter. 
The outside temperature is 
extremely hot. 
Set the FAN speed to a higher 
setting to bring air past the 
cooling coils more frequently. 
Some air movement sound is 
normal. 
If the unit is too loud, set it to a 
slower FAN setting. 
There is window vibration due to 
poor installation. 
Refer to the installation 
instructions or check with the 
installer. 
There is water dripping 
INSIDE when the unit is 
cooling. 
The unit was improperly 
installed. 
Tilt the air conditioner slightly to 
the outside to allow water 
drainage. 
There is water dripping 
OUTSIDE when the unit is 
cooling. 
The unit is removing a large 
quantity of moisture from a 
humid room. 
This is normal during 
excessively humid days. 
The remote is not sensing. 
The remote control is not 
located within range of the unit. 
Place the remote control within 
16 feet and a 180 degrees 
radius of the front of the unit. 
The remote control signal is 
obstructed. 
Remove the obstruction. 
The room is too cold. 
The temperature is set too low. 
Increase the set temperature. 










