If a fault appears on power up, refer to page 29 for an explanation of the fault code The allen bradley powerflex 400 series of drives is a popular choice in industrial automation, offering reliable variable frequency drive (vfd) control for a wide range of motor applications For complete troubleshooting information, refer to the powerflex 400 user manual.
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Corrective action may require a troubleshooting/repair visit to the vfd site
After corrective action has been take, clear the fault by
Modify station setpoints with a checkmark in the setting To resume normal operation, turn all vfd’s back to auto via the telemetry user Modbus rtu protocol reading (03) drive error codes the powerflex 400 error code data can be read via the network by sending function code 03 reads to register address 8449 (drive error codes). Troubleshooting guide for powerflex 400 fault codes
Find fault descriptions, causes, and corrective actions for your powerflex 400 drive. See table below for list of fault codes and descriptions Press esc on the keypad to acknowledge the fault The fault information will be removed so that you can resume using the keypad
Address the condition that caused the fault
The cause must be corrected before the fault can be cleared. This article, based on the powerflex 400 series manual, provides a detailed guide on its operation panel functions, external terminal control methods, and fault code troubleshooting. The above list describes various fault codes and the associated action (s) that should be taken to troubleshoot and resolve the issue for a variable frequency drive (vfd). If adapter was intentionally disconnected, turn off using c105 [comm loss action]
This document provides a list of fault codes and descriptions for the powerflex 400 variable frequency drive It explains that if a fault occurs, the code should be noted and the condition causing the fault addressed by checking the fault description table.
