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（2）INVERTER UNITARY AIR CONDITONER （36K,42K,48K,60K） ：
Fault code will display on digital tube board.
Drive fault code display
The lamp of drive board flash shows failure occur. Or, fault code can be check on digital tube
board.
DC-� INVERTER AIR CONDITIONER TECHNICAL&SERVICE MANUAL
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Outdoor Control Board
Digital Tube
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