Code 14615: [Channel %1: ] An error occurred while handling the function 'syntax check': identifier %3
Issue Description & Safety Warning
The Siemens SINUMERIK 840D CNC has triggered a critical [Channel %1: ] An error occurred while handling the function 'syntax check': identifier %3 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 = Is not used %3 = Error code Definitions: An error occurred while handling the function sy ntax check via the PI services _N_CHKSEL, _N_CHKRUN, _N_CHKABO and _N_SEL_BL. Paramete r %3 describes the error situation more closely: Value 1: An invalid line number was transferred with the PI service _N_SEL_BL 2: An invalid line number for the range end wa s transferred with the PI service _N_CHKRUN 3: PI service _N_CHKSEL was activated although a block selection (PI service _N_SEL_BL) was active for the selected program. Reaction: Alarm display. Remedy: Value 1: Supply PI service _N_SEL_BL with the correct line number 2: Supply PI service _N_CHKRUN with the correct line number for the range end 3: Ensure that the channel is in reset stat us before activating the PI service _N_CHKSEL. Program Continuation: Clear alarm with the Delete key or NC START.
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 14615 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.
Have a better solution?
Help the industrial community by sharing your repair experience for code 14615.
Need a searchable reference for more Siemens SINUMERIK 840D 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