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Changes for page 08 Troubleshooting

Last modified by Jiahao Lai on 2026/06/06 16:45
From version 2.1
edited by Jiahao Lai
on 2026/06/06 16:43
Change comment: There is no comment for this version
To version 1.1
edited by Wecon
on 2025/09/03 21:03
Change comment: Imported from XAR

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1 1  The most common faults of PLC can be classified into three main categories: **1. Power failure; 2. I/O failure; 3. Communication failure. **Wecon PLC consists of three boards：upper board(communication board), middle board(CORE board) and lower board(power board), so users can judge which board has the problem according to the fault.
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3 -= **Power failure测试测试** =
3 += **Power failure** =
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5 5  The power board supplies power to the above CORE board and light board. When there is a problem with the power board, some signals transmitted to the above board will have problems. Common PLC power failures are as follows:
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