Installation Guide
Table Of Contents
16 49-5000634 Rev. 0
Problem Possible Causes What To Do
Unit displays error 
code “P1” and shuts 
unit off
The pump has had a problem 
or failed. 
Drain indoor side of unit per instructions in the Care 
and Cleaning, Draining the Unit section. Hold 
down the SLEEP button for 3 seconds to clear error 
message. If the error code persists, the pump will 
need to be serviced.
Unit displays error 
code “FL” and shuts 
unit off
Internal tray is full.  Drain indoor side of unit per instructions in the Care 
and Cleaning, Draining the Unit section. Hold 
down the SLEEP button for 3 seconds to clear error 
message if still showing. If the error code persists, the 
pump will need to be serviced. 
Air conditioner does 
not start
The air conditioner is 
unplugged.
Make sure the air conditioner plug is pushed 
completely into the outlet.
The fuse is blown/circuit 
breaker is tripped.
Check the house fuse/circuit breaker box and replace 
the fuse or reset the breaker.
Power failure. The unit will automatically restart in the settings last 
used after the power is restored.
There is a protective time delay (approximately 
3 minutes) to prevent tripping of the compressor 
overload. For this reason, the unit may not start 
normal cooling for 3 minutes after it is turned back on.
The current interrupter device 
is tripped.
Press the RESET button
 located on the power cord 
plug.
If the RESET button will not stay engaged, discontinue 
use of the air conditioner and contact a qualified 
service technician.
Air conditioner does 
not cool as it should
Airflow is restricted. Make sure there are no curtains, blinds or furniture 
blocking the vents on the front, bottom, and back of 
the air conditioner.
The temp control may not be 
set correctly.
On models with touch pads: In the Cool mode, press 
the Decrease  – pad.
On models with control knobs, turn the temperature 
knob to a higher number.
The air filter is dirty. Clean the filter at least every 250 hours. See the Care 
and Cleaning section.
The room may have been hot. When the air conditioner is first turned on, you need to 
allow time for the room to cool down.
Cold air is escaping. Check for open furnace registers and cold air returns.
Cooling coils have iced up. See “Air conditioner freezing up” below.
Air conditioner 
freezing up
Ice blocks the air flow and 
stops the air conditioner from 
cooling the room.
On models with control knobs, set the mode control at 
High Fan or High Cool with the Temp at 1 or 2.
On models with touch pads, set the controls at High 
Fan or High Cool and set the thermostat to a higher 
temperature.
The remote control is 
not working
The batteries are inserted 
incorrectly.
Check the position of the batteries. They should be 
inserted in the opposite (+) and (–) direction.
The batteries may be dead. Replace the batteries.
Water drips outside Hot, humid weather.  This is normal.
Water drips indoors The air conditioner is not 
tilted to the outside.
For proper water disposal, make sure the air conditioner 
slants slightly from the case front to the rear.
Drain plug is unplugged Make sure plug is pressed all the way into the unit.
The air conditioner is not 
level from left to right
Ensure that the unit is level.
Water collects in 
base pan
Moisture removed from air 
and drains into base pan.
This is normal for a short period in areas with little 
humidity; normal for a longer period in very humid 
areas.
Troubleshooting
TROUBLESHOOTING










