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FANUC Alarm SRVO-130 — SERVO OHAL1(PSM) alarm

Error
Hardware
servo amplifier
Controllers
R-J3iB / R-30iA
FANUC class
SERVO

Manufacturer wording — SERVO OHAL1(PSM) alarm (G:%d A:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-130 (“SERVO OHAL1(PSM) alarm”): The servo amplifier (PMS) overheated. First check: Refer to the maintenance manual.

Updated 2026-10-22 · LogrobotLM reference

Description

The servo amplifier (PMS) overheated.

Remedy

Refer to the maintenance manual.

Field diagnosis

The amplifier power supply module has overheated.

What to check

  • Check the module ventilation and the cabinet temperature, reduce the cycle rate, then replace the module.
  • Note: R-J3iB/R-30iA generation with PSM architecture.

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 →