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FANUC Alarm MEMO-159 — Convert failed in …

Manufacturer wording — Convert failed in %s
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC MEMO-159 (“Convert failed in …”): When loading the specified KAREL program the variable type definition required conversion. First check: See the diagnostic data file, FR:KRLCONV.LS, for more information about the specific variable and program involved.

Updated 2026-09-17 · LogrobotLM reference

Description

When loading the specified KAREL program the variable type definition required conversion. The variable reference could not be converted. Therefore, the program was not loaded as needed.

Remedy

See the diagnostic data file, FR:KRLCONV.LS, for more information about the specific variable and program involved. Translate this program using a version of the translator that matches the version of the controller. Then try to load the program again.

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 →