Code F033: Auto Rstrt Tries
Issue Description & Safety Warning
The Allen-Bradley PowerFlex 520 Drive has triggered a critical Auto Rstrt Tries alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Type: 2 Drive unsuccessfully attempted to reset a fault and resume running for the programmed number of A541 [Auto Rstrt Tries]. Correct the cause of the fault and manually clear.
Source: Allen-Bradley PowerFlex 520-Series AC Drive User Manual (520-UM001)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Allen-Bradley PowerFlex 520 Drive Alarms
Allen-Bradley controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code F033 on the PowerFlex 520 Drive identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Allen-Bradley's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 45 Allen-Bradley PowerFlex 520 Drive codes.
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