KUKA Error 1419 — <X, Y, Z, A, B, C> TOOL NOT PROGRAMMED
ErrorDisplayed as KSS01419 on KRC4 / KRC5 controllers
KUKA 1419 (“<X, Y, Z, A, B, C> TOOL NOT PROGRAMMED”): No value has been assigned to the program parameter "$TOOL". First check: During command processing: assign a value to "$TOOL".
Updated 2026-09-09 · LogrobotLM reference
Cause
No value has been assigned to the program parameter "$TOOL". -- In a user program. -- After the controller has been completely reset, for a Cartesian command. The check is performed during Cartesian motions.
Effect
During command processing: all active commands are inhibited. During program processing: stop via braking ramp. All active commands are inhibited.
Troubleshooting
During command processing: assign a value to "$TOOL". During program processing: modify the program accordingly. Acknowledge the message.
Related codes
Indicative field information — the robot manufacturer's manual and safety procedures always prevail. Never bypass a safety device; apply lockout/tagout (LOTO) before any physical intervention. How this reference is built →