Code 207413: <location>Drive: Commutation angle incorrect (pole position identification)
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical <location>Drive: Commutation angle incorrect (pole position identification) 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
Message value: Drive object: SERVO, VECTOR Reaction: ENCODER (NONE, OFF2) Acknowledge: IMMEDIATELY Cause: An incorrect commutation angle was detected, that c an result in a positive coupling in the speed controller. - within the pole position identification routine (p1982 = 2): A difference of > 45° electrical to the encoder angle was determined. - for VECTOR, within the encoder adjustment (p1990 = 2): A difference of > 6 ° electrical to the encoder angle was determined. Remedy: - correctly set the angular commutation offset (p0431). - re-adjust the motor encoder after the encoder has been replaced. - replace the defective motor encoder. - check the pole position identificat ion routine. If the pole position ident ification routine is not suitable for this motor type, then disable the plausibility check (p1982 = 0).
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 207413 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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