IF YOU ARE HAVING TROUBLE WITH THE OPERATION OF THIS UNIT
PLEASE CHECK THE FOLLOWING BEFORE SEEKING REPAIR OR
SERVICE.
TROUBLE CHECK
ACTION
Air conditioner does
not operate at all.
Is there power to the unit?
Is it plugged in?
Did the Circuit breaker or
fuse trip?
Is the timer activated?
Verify power to unit.
Plug unit into the wall
Reset Circuit Breaker or
replace fuse
Change the set time
Cooling efficiency is
not good
Is the air inlet or outlet
blocked?
Are there any other heat
sources in the room?
Is the air filter dirty?
Is the set temp suitable?
Is the fan speed set too low?
Verify that air inlet and outlet
are free from any blockage
Move any other heat sources,
or move unit away from heat
source.
Clean the air filter
Re-adjust the Set
temperature
Re-adjust the fan speed
Too noisy or
Vibrates
Is unit level?
Place unit on a flat level
surface
Machine starts and
stops frequently
Is the voltage from the power
source adequate?
Is the air exhaust blocked?
Check Voltage
Adjust Exhaust pipes to
eliminate bends
WARNING
In case of major malfunction, disconnect power immediately, and call for
service.
Major Malfunctions include:
Circuit breaker or Fuse trips continuously
Power cord is warm to the touch or hot.
Abnormal conditions, loud noises, etc.
Self Diagnosis Functions
This unit has built in diagnosis functions. If the unit fails or is operating
incorrectly, check the unit display for error codes.
Error Code
Diagnosis or malfunction
E2
Room temperature sensor failure
E3
Coil Sensor Failure
E4 Unit
Abnormal
E5 High
Water
Level
Page 12 of 19