Items to be checked
Has the unit been fixed firmly?
Have you done the refrigerant leakage test?
Is thermal insulation sufficient?
Is water drainage satisfactory?
Is the voltage in accordance with the rated
voltage marked on the nameplate?
Is the electric wiring or piping
connection installed correctly and securely?
Has the unit been securely earthed?
Is the power cord specified?
Is the inlet or outlet blocked?
Is the length of connection pipes
and refrigerant capacity recorded?
Possible malfunction
The unit may drop, shake or emit noise.
It may cause insufficient cooling(heating)
It may cause condensation.
It may cause water leakage.
It may cause electric malfunction
or damage the unit.
It may cause electric malfunction
or damage the parts.
It may cause electrical leakage.
It may cause electric malfunction
or damage the parts.
It may cause insufficient cooling(heating)
The refrigerant capacity is not accurate.