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1. Fault phenomenon: The main body works normally, but once the expansion port is connected to the expansion module, the plc does not run, and the RUN light does not light.
2. Fault reason: The expansion module is damaged, the expansion module 0V, +24V is short-circuited, resulting in no 24V working voltage when connected with the PLC.
3. Note: Please make sure that the expansion module is normal. You can confirm whether the expansion module works normally by the replacement method.
September 29, 2024
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September 29, 2024
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.