Code 14128: [Channel %1: ] Block %2 absolute programming of the orienting rotation with active ORIROTC.
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical [Channel %1: ] Block %2 absolute programming of the orienting rotation with active ORIROTC. 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: The rotation of orientation (3rd degree of freedom of orientation for 6-axis transformations) has been programmed with G code ORIROTC active. This is not possible, as the rotation of orientation is oriented relatively to the path tangent when ORIROTC is active. With ORIROTC, it is only possible to program t he angle of rotation THETA that indicates the angle of the rotation vector to the path tangent. Reaction: Correction block is reorganized. Interpreter stop Interface signals are set. Alarm display. Remedy: Modify part program. Program Continuation: Clear alarm with NC ST ART or RESET key and continue the program.
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 14128 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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