Code 701932: Tool ID system: Data read/write error
Issue Description & Safety Warning
The Chiron Siemens-Control CNC has triggered a critical Tool ID system: Data read/write error 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
An error occurred with the tool identification system when reading/ writing the code carrier. Operation is aborted. Read-in stop on channel 2 (loader). 1. Display error identification number about the cause in the PLC status DB256.DBW218 [H]. See the following table. 2. Once the malfunction has been remedied, press [RESET] key Message is cleared. Identifier Error 00 No error 01 Reading/writing not possible. No code carrier near the write/read head. 02 Error during reading. 03 Code carrier was removed from the area around the write/read head during reading. Identifier Error 04 Error during writing. 05 Code carrier was removed from the area around the write/read head during writing. 06 Memory access error. 07 AV bit is set, but command identifier is missing or is invalid or: Number of bytes is 00 09 Cable breakage in write/read head or head not connected. 0F Content of the 1st and 2nd bit string are not equal. 12 Invalid job 13 Data transmission disturbed - Check the distance from the write/read head to the code carrier. 18 Monitoring time expired.
Source: CHIRON Error Message Overview, all series (Siemens control, V2.0.6, 2012)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Chiron Siemens-Control CNC Alarms
Chiron controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 701932 on the Siemens-Control CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Chiron's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 545 Chiron Siemens-Control CNC codes.
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