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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 →