YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
YMGI: Your Modern Green Idea
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Analyzing Malfunctions
DO NOT ATTEMPT TO REPAIR
the air conditioner yourself.
An incorrect repair could lead to electric shock or fire. Contact a certified service center or technician and have the
unit repaired by qualified HVAC professional.
Save time and money by checking the following items before contacting a service technician to repair your unit.
Malfunction
Possible Cause
The air conditioner will not start
right after being turned off.
The overload protection switch of the unit places the unit in a 3 minute delay, after which the
unit will start normally.
There is an odor when the unit
is turned on.
This is because when air conditioning, odors or cigarette smoke from the room that were
pulled into the unit are being discharged into the room again.
Slight bicker was heard when
the unit is running.
This is the sound refrigerant flowing.
Mist comes from the air outlet
vent when cooling.
Indoor air is being cooled rapidly in a room with high humidity.
Creaking sound is heard when
unit is running or after running.
The sound is caused by the expansion of panels and other metal parts in the unit due to a
change in temperature within the unit.
The air conditioner will not run.
Is the power off?
Is the power supply connected?
Is the circuit protector tripped?
Is the voltage too high or too low?
Was the OFF TIMER set on the wireless remote controller?
The cooling/heating effect of
the air conditioner is not as
expected.
Is the temperature set too high or too low?
Is the inlet or outlet vent of outdoor unit blocked?
Is the air filter dirty causing a blockage?
Are all the windows and doors closed?
Is the fan set to Low speed?
Are there other heating sources in the room?
Wireless remote controller will
not control the unit.
Change the batteries. T
he wireless remote controller sometimes will appear as though it can’t
control. Take off the back cover and press the
ACL
button to reset it.
The air conditioner is operating abnormally or changing functions too frequently, making the
wireless remote controller ineffective. Reset the breaker supplying power to the unit and the
unit should resume normal operation.
Is the remote control in range of the unit?
Is there smoothing blocking the signal?
Check batteries in the remote control and ensure they are the correct type and size
recommended for the remote controller. If not, replace the batteries.
Service Center
When the following phenomena occur, stop unit operating immediately. Turn off the main power supply of unit and
contact a qualified service center or technician to inspect the unit.
•
Harsh sound heard when running.
•
The fuse or protector trips frequently.
•
Moisture has been pulled into the unit involuntarily.
•
Water leakage in the room.
•
Overheating of the power cord.
•
Odor is noticed when unit is running.
