LogrobotLM

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KUKA Error 2235 — BOTH OPERANDS DIFFERENT FROM BOOL

Displayed as KSS02235 on KRC4 / KRC5 controllers

KUKA 2235 (“BOTH OPERANDS DIFFERENT FROM BOOL”): Both operands are not of data type “BOOL”. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

Both operands are not of data type “BOOL”.

Effect

The program cannot be executed.

Troubleshooting

Modify the program.

Related codes

2234RIGHT OPERAND DIFFERENT FROM BOOL2233LEFT OPERAND DIFFERENT FROM BOOL2232BOTH OPERANDS DIFFERENT FROM INT, CHAR2231RIGHT OPERAND DIFFERENT FROM INT, CHAR

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 →