Cause: Analog output faulty comes when a problem with one or more of the analog output channels of the drive. The most common cause is a short circuit on one of the analog output terminals.
AOUT ANOUT FAULT fault in Parker AC890 drive indicates analog output channels issue. This means the drive has detected an issue with its ability to generate the expected analog voltage or current signals from its output terminals.
Troubleshooting Steps:
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Identify the Affected Analog Output: The AC890 drive might provide more specific information about which analog output channel (e.g., AOUT1, AOUT2) is experiencing the fault. Check the drive's display or monitoring software for more details.
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Inspect Wiring Connections: Carefully examine the wiring connections to all analog output terminals. Ensure the wires are securely connected, not frayed or damaged, and that the wiring is correct according to the drive's manual and the external device's requirements.
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Check for Short Circuits: Disconnect the external devices connected to the analog outputs one by one. If the fault clears after disconnecting a particular device, there is likely a short circuit or a severe overload in that external device or its wiring. Inspect the disconnected device and its wiring for any signs of damage.
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Verify Load Impedance: Ensure that the impedance of the connected external devices is within the acceptable range for the drive's analog output type (voltage or current). Refer to the drive's specifications for the maximum load for voltage outputs and the minimum load for current outputs.
