YMGI, Engineered Comfort Products for A Sustainable and Efficient Green World!
YMGI: Your Modern Green Idea
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Failures Not Caused by Errors
If your air conditioner fails to function normally, please first check the following items before maintenance:
Problem
Cause
Corrective measure
The air conditioner
can't run.
If you turn off the unit and then immediately turn it on, in
order to protect the compressor and avoid system
overload, compressor will delay running for 3min.
Please wait for a while.
Wire connection is wrong.
Connect wires according to the wiring diagram.
Fuse or circuit breaker is broken.
Replace the fuse or switch on the circuit breaker.
Power failure.
Restart after power is resumed.
Power plug is loose.
Re-insert the power plug.
Thermostat has low battery.
Replace the batteries.
Bad cooling or
heating effect.
Air inlet and outlet of the units have been blocked.
Clear the obstacles and keep the room for the
units well ventilated.
Improper temperature setting
Reset a proper temperature.
Fan speed is too low.
Reset a proper fan speed.
Air flow direction is not right.
Change the direction of air louvers.
Doors or windows are open.
Close them.
Exposed under direct sunshine.
Put on curtains or louvers in front of the windows.
Too many heat sources in the room.
Remove unnecessary heat sources.
Filter is blocked or dirty.
Send for a professional to clean the filter.
Air inlets or outlets of the units are blocked.
Clear away obstacles that are blocking the air
inlets and outlets of the units.
