KUKA Error 2147 — 'UNTIL' MISSING
Displayed as KSS02147 on KRC4 / KRC5 controllers
KUKA 2147 (“'UNTIL' MISSING”): The “REPEAT” loop has not been terminated with “UNTIL”. First check: Modify the program.
Updated 2026-09-09 · LogrobotLM reference
Cause
The “REPEAT” loop has not been terminated with “UNTIL”. Example: DEF Prog() INT i i=1 REPEAT END
Effect
The program is not executable.
Troubleshooting
Modify the program. Example: DEF Prog() INT i i=1 REPEAT i=i+1 UNTIL i>100 END
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 →