Cause : Inverter Overload comes when the thermal sensor of the drive triggered overload protection. When encountering a "Inverter Overload" fault on a danfoss drive, it typically indicates that the drive itself is experiencing an overload condition. This could occur due to various reasons, including excessive load demands, electrical issues, or internal component failure. Here's how to address this issue:
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Immediate Action: If the drive overload fault occurs, stop the operation of the drive immediately to prevent potential damage.
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Reduce Load: Evaluate the load connected to the drive and ensure it is within the rated capacity of the drive. Reduce the load if necessary to prevent overloading.
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Inspect Mechanical Components: Check the mechanical components of the system, such as the motor, coupling, gearbox (if applicable), and load. Look for signs of mechanical binding, misalignment, or excessive friction that could lead to increased load demands on the drive.
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Check Wiring and Connections: Inspect all wiring and connections to the drive, ensuring they are secure and properly terminated. Loose connections can lead to increased resistance and overload conditions.
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Verify Power Supply: Ensure that the power supply to the drive is stable and within the specified voltage range. Fluctuations or interruptions in power can lead to drive overload faults.
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Inspect Cooling: Ensure that the drive is adequately cooled during operation. Overheating of the drive can lead to increased current draw and overload conditions. Check for proper ventilation and cooling of the drive and its surrounding environment.
