Midea MEHS-09NIH2 Service Manual page 37

MCHS-09NiH2,
For
The picture of PCB above is only for reference.
LED 3 is a red light and for the PCB POWER display.
LED 4 is a yellow light. After power on, it will be slow flash(0.2Hz) when the unit is in standby and quick
flash (2.5Hz) if the unit has some problems.
LED 1(green) and LED2 (red) are two lights controlled by the compressor drive chip. Below are
meanings for those lights.
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