Midea MEHS-09NIH2 Service Manual page 38

MCHS-18NiH2,
For
LED2
LED1
(red)
standby
LED2 slow flashing(0.2Hz)
LED1 on
The picture of PCB above is only for reference.
LED 1 is a red light and for the PCB POWER display.
LED 2 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 4(green) and LED3 (red) are two lights controlled by the compressor drive chip. Below are
meanings for those lights.
LED3
(red)
(yellow)
operating
on
on
& LED4
(green)
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