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FANUC Alarm SPOT-371 — WARN Could not download stepper …

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

FANUC SPOT-371 (“WARN Could not download stepper …”): Could not download stepper … The stepper failed 2 download tries to the timer. First check: Try cycle power.

Updated 2026-09-17 · LogrobotLM reference

Description

Could not download stepper … The stepper failed 2 download tries to the timer.

Remedy

Try cycle power.

Related codes

SPOT-369WARN FCTN not supported by the timerSPOT-370WARN Could not download schedule …SPOT-372WARN Could not read sequence file …SPOT-373WARN Could not download setup data

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 →