YMGI • Your Modern Green Idea
YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
42
Check these items shown below before contacting service center
Phenomenon
Cause
Corrective Measures
The system does not operate at
all
Power off or fuse broken
Change fuse or replace fuse
Power off
It will restart when power is on
Loose plug
Put the plug into place
Batteries for remote installed incorrectly
Faulty Batteries / Install
batteries properly
Out of the remote controlling range
Keep distance in 8m or less
The system stops right after it is
started
Object at the air intake and air outlet of the air
conditioner
Remove them
Cooling and/ or heating is
abnormal
Object at the air intake and air outlet of indoor and
outdoor units
Remove them
Wrong temperature setting
Refer to REMOTE CONTROLKEY
NAMES AND FUNCTIONS
Low fan speed
Refer to REMOTE CONTROLKEY
NAMES AND FUNCTIONS
Air direction is not correct
Refer to REMOTE CONTROLKEY
NAMES AND FUNCTIONS
Doors or windows are open
Close them
Direct sunshine
Close the curtain or blind.
Too many people in the room
Too many heating sources
Dirty air filter
Clean it
Note:
If trouble still exists after checking the above items, please contact service center.
NORMAL OCCURRENCES
Normal Occurrence
When normal occurrence happens
Cause and remedy of normal occurrence
The unit does not
operate when
Restart right after stopping
Once the unit is stopped, it stays idle
for about 3 minutes to protect the
compressor and the unit from any
potential damage
Press SET TEMP and then release
immediately.
Power is switched on
Wait for 1 minute
Mist is emitted
When cooling
Room air is chilled rapidly and becomes foggy
Outdoor unit is hot
After the unit is stopped
Compressor is emitting heat to get
ready for restarting
Noise
Buzz is heard at starting
It's the starting sound of thermostat and will turn low
after 1 minute
Sound of hiss like running water can be heard
during operation
This is caused by the refrigerant
flowing inside the unit
A "shhh" sound which is heard at the start or
immediately after stopping unit operation, or
that is heard at the start or immediately after
the stop of defrosting operation.
A continuous low "shah" sound is heard when
the system is in cooling operation, or when it
stops.
This is the noise of refrigerant caused by refrigerant
flow stop and flow change
The noise is heard when the drainage pump is in
operation.
There is no need to do anything
Cracking noise can be heard during or after
operation
This is caused by the panel expanding or contracting
due to temperature change in some structural parts
Dust from the units
Starting operation after not using for a long
time
Dust entered into the unit and blown out at re-starting.
Clean filter and coil
Discharged air smells
During operation
This is caused by the odors in the room
which have been left or kept on the filter or coil, clean
the filter and coil
