KUKA Error 2128 — MORE ACTUAL PARAMETERS THAN FORMAL PARAMETERS SPECIFIED
Displayed as KSS02128 on KRC4 / KRC5 controllers
KUKA 2128 (“MORE ACTUAL PARAMETERS THAN FORMAL PARAMETERS SPECIFIED”): In the call of the subprogram or function, more actual parameters are specified than formal parameters in the subprogram or function declaration. First check: Modify the program.
Updated 2026-09-09 · LogrobotLM reference
Cause
In the call of the subprogram or function, more actual parameters are specified than formal parameters in the subprogram or function declaration. Example: Up(3,5,9) ... DEF Up(a:IN,b:IN) INT a,b ...
Effect
The program is not executable.
Troubleshooting
Modify the program. Example: Up(3,5) ... DEF Up(a:IN,b:IN) INT a,b ...
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 →