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Code 22069: [Channel %1: ] Block %2 tool management: No tool available in tool group %3, program %4

Issue Description & Safety Warning

The Siemens SINUMERIK 840D CNC has triggered a critical [Channel %1: ] Block %2 tool management: No tool available in tool group %3, program %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 %3 = String (identifier) %4 = Program name Definitions: The specified tool group does not contain a tool wh ich is ready for use and could be used for tool change. It is possible that all of the tools in question have been set to the 'Disabled' state by the tool monitoring function. Parameter %4 = program name fa cilitates the identification of the program containing the programming command (tool selection) t hat caused the error. This can be a subprogram or cycle, etc., which can no longer be identified from the display. If the parameter is not specified, it is the currently displayed program. Reaction: Correction block is reorganized. Interface signals are set. Alarm display. Remedy: - Ensure that the specified tool group contains a tool that is ready for use when tool change is requested. - This can be achieved, for exampl e, by replacing disabled tools, or - by releasing a dis abled tool manually. - Check whether the tool data are correctly defined. Have all intended tools in the group been defined with the specified identifier and loaded? Program Continuation: Clear alarm with NC ST ART or RESET key and continue the program.

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 22069 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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