During a workshop assessment, the reported condition is: A PLC input indicator turns on, but the expected output never energizes and the output instruction is false in the logic monitor. Where should troubleshooting focus?

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replace the output module immediately

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increase supply voltage beyond rating

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disable every safety condition

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the program conditions, interlocks, modes, and input mapping before the physical output circuit

During a workshop assessment, the reported condition is: A PLC input indicator turns on, but the expected output never energizes and the output instruction is false in the logic monitor. Where should troubleshooting focus?

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