Code 62335: [Channel %1: ] Block %2: No internal correction of the calibration data
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical [Channel %1: ] Block %2: No internal correction of the calibration data 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 channel number Definitions: Alarm triggered by the follo wing cycles: CYCLE961, CYCLE977, CYCLE978, CYCLE979, CYCLE996, CYCLE997, CYCLE998 Remedy: Check probe alignment/spindle position! The alignment (programmed position) of the tool pr obe in the workspindle must be identical during calibration and measuring! If these positions vary, the calibration data cannot be corrected cycle-internally with regards to a coordinate rotation of the workplane around the infeed axis!
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 62335 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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