Shinco Service Manual
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| 1．CHECK IF THE CONNECTING WIRING IS CONNECT | |
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| WELL | |
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| 2．TEST THE VOLTAGE VALUE BETWEEN L4 AND S, | |
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| IF IT ‘S CHANGE REGULARLY，THE SINGAL | |
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| TRANSFERING BETWEEN INDOOR AND OUTDOOR UNIT | |
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| IS GOOD， | |
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| WHEN IT‘S NO CHANGE | |
| COMMUNICATION FAULT |
| IF VALUE IS BELOW 14V， THE INDOOR PCB BOARD | |
3 | BETWEEN INDOOR UNIT AND | E4 | IS FAULT，CHANGE IT. | |
| OUTDOOR UNIT |
| IF VALUE IS OVER 14V,THE OUTDOOR PCB IS FAULTY | |
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| 3）CHECK IF THERE IS LED FLASHING ON THE | |
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| OUTDOOR PCB | |
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| IF THERE IS NO FLASHING，CHECK VOLTAGE VALUE | |
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| FROM POWER BOARD TO PFC BOARD, BETWEEN ACL AND | |
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| CAN ON PFC BOARD | |
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| IF IT’S NOT 220V, CHANGE POWER BOARD | |
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| IF IT’S 220V,CHANGE PFC BOARD | |
4 | COMPRESSOR DRIVER BOARD | EA | CHECK OUTDOOR DRIVER BOARD | |
IS |
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5 | OURDOOR AIR SENSOR IS |
| 1、 CHECK THE SENDOR VALUE | |
FAULTY |
| 2、 POWER BOARD IS FAULT | ||
| E6 | |||
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6 | OUTDOOR PIPE SENSOR IS |
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FAULT |
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7 | INDOOR AIR SENSOR IS | E1 | 3、 CHECK THE SENSOR VALUE | |
FAULTY | 4、 INDOOR BOARD IS FAULT | |||
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8 | INDOOR PIPE SENSOR IS | E2 |
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FAULTY |
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9 | POWER BOARD IS FAULT | E8 | OUTDOOR POWER BOARD IS FAULT | |
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10 | POWER BOARD IS FAULT | E9 | OUTDOOR POWER BOARD IS FAULT | |
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| DRIVER BOARD IS FAULT | |
11 | DRIVER BOARD IS FAULT | E5 |
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12 | OUDOOR COMMUNICATION | EC | CHECK IF WIRINGS BETWEEN POWER BOARD AND | |
FAULTY | DRIVER BOARD ARE CONNECTED WELL | |||
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1．FIX THE WIRING AGAIN。
2．CHANGE RELATE PCB BOARD
CHANGE DRIVER BOARD
CHANGE SENSOR
CHANGE POWER BAORD。
CHANGE SENDOR
CHANGE INDOOR BOARD
CHANGE THE POWER BOARD
CHANGE THE POWER BOARD
DRIVER BOARD IS FAULT
FIX THE WIRING BETWEEN POWER BOARD AND DRIVER BOARD
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