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2. Pull out the front grille form the unit body.
1. After front grille is taking off, remove the cover of control board and holder, then the Main PCB can be seen.
3. Drag out the supporting hook to the right side and pull up a bit the main PCB. Then release the lead wire
connecting to CN-FM, CN-STM3, CN-DISP1-A, earth wire (Yellow/Green) and take out the sensor from the
holder on evaporator. Pull out the whole electronic controller. Be sure to avoid cracking of the supporting hook.
4. Remove the control board complete
Loose the screws of control board complete, then the whole control board can be pulled out.
Removal Procedure for Main Electronic Controlle
Front grille
Control board cover
Holder
Supporting
Hook
Main PCB
Indicator & receiver
CN-FM: Fan motor connector
Auto OFF/ON
switch
CN-STM3: Air swing motor connector
CN-TH: Sensor connector
CN-DISP1-A: Indicator connector
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