LogrobotLM

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KUKA Error 2074 — ASCENDING INDICES EXPECTED

Displayed as KSS02074 on KRC4 / KRC5 controllers

KUKA 2074 (“ASCENDING INDICES EXPECTED”): The first index specified in the program line is higher than the second value. First check: Modify the program.

Updated 2026-09-09 · LogrobotLM reference

Cause

The first index specified in the program line is higher than the second value. Example: SIGNAL $DIGIN1 $IN[20] TO $IN[10]

Effect

The program is not executable.

Troubleshooting

Modify the program. Example: SIGNAL $DIGIN1 $IN[10] TO $IN[20] 1

Related codes

2073ELEMENT BELONGS NEITHER TO 'FRAME' NOR TO 'POS'2075NUMBER TOO SMALL2072TYPE NAME DOES NOT MATCH CONTEXT2071STRUCTURE NAME TYPE EXPECTED

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 →