Code 61416: [Channel %1: ] Block %2: adapt array size %4!
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical [Channel %1: ] Block %2: adapt array size %4! 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 can be triggered by following m easuring cycles: al l measuring cycles. Remedy: For 840D: Match _CVAL entry to the number of existing pr obe and calibration block dat a fields, that means: - Adapt _TP[ ]/_CVAL[0] field size, or - Adapt _WP[ ]/_CVAL[1] field size, or - Adapt _KP[ ]/_CVAL[2] field size, or - Adapt _TWP[ ]/_CVAL[3]. For 840D sl: Check machine data for the number of probe and calibration block data fields, that means: - Workpiece probe 51600$MNS_MEA_CAL_WP_NUM or - Calibration block 51601$MNS_MEA_CAL_EDGE_NUM or - Workpiece probe in MCS 51602$MNS_MEA_CAL_TP_NUM or - Workpiece probe in WCS 51603$MNS_MEA_CAL_TPW_NUM
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 61416 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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