Code 10763: [Channel %1: ] Block %2 path component of the block in the compensation plane becomes zero
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical [Channel %1: ] Block %2 path component of the block in the compensation plane becomes zero 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
Parameters: %1 = Channel number %2 = Block number, label Definitions: Due to collision monitoring with ac tive tool radius compensation, the path component of the block in the compensation plane becomes zero. If the origin al block contains no motion information perpendicular to the compensation plane, it means that this block is excluded. The alarm can be suppress ed with MD11410 $MN_SUPPRESS_ALARM_MASK bit1 = 1. Reaction: Alarm display. Remedy: - The behavior is correct at narrow locations that cannot be machined with the active tool. - Modify the part program if necessary. - Use tool with smaller radius if necessary. - Program CDOF/CDOF2. Program Continuation: Clear alarm with the Delete key or NC START.
Source: SINUMERIK 840D sl / 840Di sl / SINAMICS S120 Diagnostics Manual (DAsl, 03/2009)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Siemens SINUMERIK 840D CNC Alarms
Siemens controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 10763 on the SINUMERIK 840D CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Siemens's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 4014 Siemens SINUMERIK 840D CNC codes.
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