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6、The analysis of indoor malfunction code（internal wiring get loose,
which will cause malfunction.）
Ⅰ、indoor detailed malfunction
1.when indoor unit live wire is disconnected，its lamp panel can't display.
2.when the transformer's secondary and primary disconnect or indoor fuse is off，the indoor unit lamp
panel can't display.
Live wire is off。
Transformer secondary is off
The relevant transfomer
socket
34
Transformer primary is off
primary
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