Analog Input Current Below 4mA

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The analog input configured for a 4-20 mA signal range is receiving a current signal below 4mA. This suggests a problem in the current loop, such as a broken or loose control cable, or a failure of the signal source itself, preventing accurate control or feedback.

• Analog input module failure or incorrect wiring for current loop (e.g., P1-02).
• Sensor malfunction reporting a current below the minimum threshold (e.g., 4mA).
• Open circuit in the analog input loop.
• Faulty analog input card or module.
• Incorrect parameter setting for analog input range (e.g., P1-04).

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1. 1

   Inspect the entire 4-20 mA current loop circuitry, including the signal source, wiring, and input terminals on the drive, for breaks, loose connections, or component failures.