YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
YMGI: Your Modern Green Idea
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Indoor unit doesn't blow air.
1) Is the unit in 3-minutes restarting protection period?
2) In heating mode, the indoor fan motor will not rotate before the indoor coil is hot enough.
This is a normal anti-cold air blowing function.
3) Is the outdoor unit defrosting?
4) Is the unit in fan-pausing period for dehumidification mode?
5) Is the filter dirty?
6) Is the fan motor setting screw loose?
7) Is the fan capacitor bad?
8) Is the fan motor bad?
Condensate forms at air discharge louver.
This is normal when the conditioned cool air is mixed with the warm/hot and humid indoor air.
Condensate may go away gradually once the indoor air is dehumidified and cooled down.
Water drips out of the indoor unit.
1. Is indoor air too warm and humid?
2. Is the condensate drain hose/connection leaking?
3. Is the condensate drain hose clogged or restricted?
4. Is the condensate drain hose insulated?
5. Is the 3" hole at exterior wall staffed or sealed?
Phenomenon
Normal or Abnormal
Noise is heard at the indoor unit.
1.
Is the fan motor or compressor relay energized?
2.
Is it due to temperature change that causes part expansion or contraction?
Stop all unit operations, disconnect power and contact your
service technician in the following situations:
1. Harsh sound is heard
2. Bad odor is detected;
3. Water is leaking out of the indoor unit;
4. Circuit breaker trips or fuse is blown a few times;
5. Wires or connections are very hot;
6. Oil or refrigerant leakage is found;
7. Unit vibrates abnormally;
8. Any other abnormal situations.
Check before Contacting Service Center
Please check the following items before contacting the maintenance serviceman.
Condition
Cause
Corrective Actions
Unit does not run
Broken fuse or open breaker
Change the fuse or close the breaker
Power off
Restart the unit with main power on
Insufficient battery voltage in remote control
Change with new batteries
Remote control out of range
Use remote within 8 meters of unit
Unit stops shortly
after starting
Clogged inlet/outlet of indoor or outdoor unit
Clear blockage
Cooling or Heating is
abnormal
Clogged inlet/outlet of indoor or outdoor unit
Clear blockage
Improperly set temperature
Adjust settings using the remote or wired controller
Fan speed is too low
Improper airflow direction
Opened door or window
Make sure room is closed up
Direct sunlight
Curtains or blinds over windows are recommended.
Too many people in the room
Too many heat sources in the room
Turn off or remove any electronics or heat
generating devices
Dirty filter screen
Clean filters
Note:
If the air conditioner still runs abnormally after the above check and handling, please contact the maintenance
serviceman at the local appointed service center and also give a description of the error occurred as well as the
model of the unit.
