Code P11-CONV-11213: C2 TVSS Blown
Issue Description & Safety Warning
The Allen-Bradley PowerFlex 750 Drive has triggered a critical C2 TVSS Blown 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: Alarm 1 The MOV block is reporting that the transient voltage suppression system (TVSS) has blown. • Check the MOV wiring harness for loose connections and/or damage and replace if necessary. • Replace the MOV block. • If the MOV block is not blown and the wiring harness is properly connected and not damaged, replace the converter gate firing board.
Source: Allen-Bradley PowerFlex 750-Series AC Drives Programming Manual (750-PM001)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Allen-Bradley PowerFlex 750 Drive Alarms
Allen-Bradley controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code P11-CONV-11213 on the PowerFlex 750 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: 663 Allen-Bradley PowerFlex 750 Drive codes.
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