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FANUC Alarm SPOT-375 — WARN Could not read stepper file …

Manufacturer wording — WARN Could not read stepper file %d
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SPOT-375 (“WARN Could not read stepper file …”): Could not read stepper file … The stepper file could not be read from the FROM. First check: Make sure the stepper exists on FROM.

Updated 2026-09-17 · LogrobotLM reference

Description

Could not read stepper file … The stepper file could not be read from the FROM.

Remedy

Make sure the stepper exists on FROM.

Related codes

SPOT-373WARN Could not download setup dataSPOT-374WARN Could not download Dynamic dataSPOT-376WARN Could not read setup file …SPOT-377WARN Could not read file …

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 →