Code 160-0155: Ambiguity: DR2 and DR2TABLE defined in the tool table
Issue Description & Safety Warning
The Heidenhain TNC Series CNC has triggered a critical Ambiguity: DR2 and DR2TABLE defined in the tool table 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
[Cause of error] Ambiguous DR2 data are entered in the tool table. Only DR2 or DR2TABLE can set for a tool at any given time. [Error correction] In order to use 3-D radius compensation, enter the desired DR2 value and leave the DR2TABLE entry empty In order to use the 3D-ToolComp option, enter in DR2TABLE the file name (without extension) of the compensation value table and set DR2 to zero (0)
Source: HEIDENHAIN NC Error Messages — TNC7/640/620/320/128, CNC PILOT 640, MANUALplus 620 (10/2023)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Heidenhain TNC Series CNC Alarms
Heidenhain controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code 160-0155 on the TNC Series CNC identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Heidenhain's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 4497 Heidenhain TNC Series CNC codes.
Have a better solution?
Help the industrial community by sharing your repair experience for code 160-0155.
Need a searchable reference for more Heidenhain TNC Series CNC manuals?
We structure equipment manuals into searchable code, title, cause, solution, safety note, and source-reference data. Send a PDF and example searched codes when you need public pages, private search, or structured exports.
Space reserved for Google AdSense / Industrial Affiliate Links
Monetization target for 2026