LogrobotLM

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FANUC Alarm SEAL-290 — STOP Invalid call to SL__INST

FANUC SEAL-290 (“STOP Invalid call to SL__INST”): SL__INST has been called, but there was no valid macro index number in register 32. First check: Do not run SL__INST as a program, only call SL__INST from a macro after setting a valid macro index number up in register 32.

Updated 2026-09-17 · LogrobotLM reference

Description

SL__INST has been called, but there was no valid macro index number in register 32.

Remedy

Do not run SL__INST as a program, only call SL__INST from a macro after setting a valid macro index number up in register 32.

Related codes

SEAL-288WARN Application setup not doneSEAL-289STOP Macro table already fullSEAL-291WARN No start sealing input definedSEAL-292STOP Max Error table entry exceeded

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 →