Midea MSV1-09HRDN1-QC2, Service Manual

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9. Electronic function
9.1 Abbreviation
T1: Indoor ambient temperature
T2: Pipe temperature of indoor heat exchanger
T3: Pipe temperature of outdoor heat exchanger
T4: Outdoor ambient temperature
9.2 Display function
9.2.1 Icon explanation on indoor display board.
MSV1-09HRDN1-QC2(A) MSV1-12HRDN1-QC2(A)
OPERRATION indicator
This indicator flashes after power is on and illuminates when the unit is in operation.
AUTO indicator
This indicator illuminates when the air conditioner is in AUTO operation.
TIMER indicator
This indicator illuminates when TIMER is set ON/OFF.
IONIZER (CLEAN AIR) indication lamp
Lights up when CLEAN AIR feature is activated and Ionizer can generate abundant anions to fill the
room with refreshing and natural air.
PRE-DEF. indicator
This indicator illuminates when the air conditioner starts defrosting automatically or when the warm air control feature is
activated in heating mode.
TURBO indication lamp
Lights up when select TURBO function on cooling operation or on heating operation.
FREQUENCY indicator
This indicator appears only when the compressor is in operation and indicates the current operating frequency.
TEMPERATURE indicator
Usually it displays the temperature settings. When change the setting temperature, this indicator begins to flash, and
stops 20 seconds later. It displays the room temperature when the air conditioner is in FAN only operation. When the
unit stops operation, it returns to original factory settings.
It also displays the malfunction code or protection code.
FAN SPEED indication lamp
Displays the selected fan speed: AUTO(nothing) and three fan speed levels: LOW, MED and HIGH.