Midea MCHSU-09PHH2, Service Manual, Page: 78 / 81

76

The gas-side and liquid-side stop values
are both opened.

The air conditioner is pre-heated by turning
on the power.
3 Test operation
Set the air conditioner under the mode of
"COOLING" by remote controller, and check
the following points.
Indoor unit

Whether the switch on the remote controller
works well.

Whether the buttons on the remote
controller works well.

Whether the air flow louver moves
normally.
 Whether the room temperature is adjusted
well.

Whether the indicator lights normally.

Whether the temporary buttons works well.

Whether the drainage is normal.
 Whether there is vibration or abnormal
noise during operation.
Outdoor unit

Whether there is vibration or abnormal
noise during operation.

Whether the generated wind, noise, or
condensed of by the air conditioner have
influenced your neighborhood.

Whether any of the refrigerant is leaked.