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TROUBLESHOOTING TIPS
Problem
Possible Causes
Unit does not start or
Power supply cord is not plugged into an
operate
outlet.
Power supply cord has tripped.
The Power button has not been pressed.
There is no power to the electrical outlet.
A household fuse has blown or a circuit
breaker has tripped.
The control was programmed for a Time
Delay.
The batteries in the remote control are dead. Replace the batteries.
The internal water tank is full.
NOTE: The air conditioner automatically
turns off, and the Water Full indicator
illuminates to alert you of this condition.
Remote control is not
Batteries are dead.
working
Batteries are installed incorrectly.
Air conditioner is
The room temperature is hot.
working but the room
NOTE: On extremely hot and humid days,the
is not cooling.
air conditioner will take longer to cool the
room.
The control is set incorrectly to Fan or DRY
mode.
Airflow is restricted.
Temperature set too high.
Air filters are dirty or restricted.
Air conditioner installed incorrectly
Doors and windows are open.
Error Codes
Error Codes Meaning
E1
Abnormal sense of coil pipe sensor
E2
Abnormal sense of room temperature sensor
E4
Anti-frozen protection
FL
Full water
14
Solution
Plug the power cord into a grounded 3 prong
outlet.
Press and release the RESET button on the power
supply cord.
Press the Power button on the Control Panel or
Remote Control to turn ON the air conditioner.
Plug a working lamp into the outlet to check for
power.
Replace the fuse or reset the circuit breaker.
Cancel the Time Delay. See "Control Panel."
Empty the water tank. See "Air Conditioner
Care."
Replace the batteries.
Make sure the batteries are inserted in the
correct position.
Allow time for the room to cool when you first
turn on the unit.
Make sure the air conditioner has an adequate
BTU rating for the size of the room being cooled.
Set the Mode to Cool and the Fan Speed to High.
Remove any obstacles to the airflow and redirect
airflow for uniform cooling.
Lower the set temperature.
Clean the air filter. See "Air Conditioner Care."
Check the exhaust hose and window panel for
proper installation.
Close the doors and windows to the room being
cooled to prevent cooled air from escaping.
49-5000468 Rev. 1
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