Code 201005: <location>Firmware download for DRIVE-CLiQ component unsuccessful
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical <location>Firmware download for DRIVE-CLiQ component unsuccessful 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: Component number: %1, fault cause: %2 Drive object: All objects Reaction: NONE Acknowledge: IMMEDIATELY Cause: It was not possible to download the firmware to a DRIVE-CLiQ component. Fault value (r0949, interpret hexadecimal): yyxxxx hex: yy = component number, xxxx = fault cause xxxx = 000B hex = 11 dec: DRIVE-CLiQ component has detected a checksum error. xxxx = 000F hex = 15 dec: The selected DRIVE-CLiQ component did not accept the contents of the firmware file. xxxx = 0012 hex = 18 dec: Firmware version is too old and is not accepted by the component. xxxx = 0013 hex = 19 dec: Firmware version is not suitable for the hardware release of the component. xxxx = 0065 hex = 101 dec: After several communication attempts, no response from the DRIVE-CLiQ component. xxxx = 008B hex = 139 dec: Initially, a new boot loader is loaded (must be repeated after POWER ON). xxxx = 008C hex = 140 dec: Firmware file for the DRIVE-CLiQ component not available on the memory card. xxxx = 008F hex = 143 dec: Component has not changed to the mode for firmwa re download. It was not possible to delete the existing firmware. xxxx = 0090 hex = 144 dec: When checking the loaded firmware (checksum) the com ponent identified an error. It is possible that the file on the memory card is defective. xxxx = 0091 hex = 145 dec: Checking the loaded firmware (checksum) was not completed by the component in the appropriate time. xxxx = 009C hex = 156 dec: Component with the specified componen t number is not available (p7828). xxxx = Additional values: Only for internal Siemens troubleshooting. Remedy: - check the selected component number (p7828). - check the DRIVE-CLiQ connection. - save suitable firmware file for download in the directory /siem ens/sinamics/code/sac/. - after POWER ON has been carried out again fo r the DRIVE-CLiQ component, download the firmware again. Depending on p7826, the firmware will be automatically downloaded.
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 201005 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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