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FANUC Alarm PNT1-834 — ServoBell motor not ready

Manufacturer wording — %sServoBell motor not ready
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC PNT1-834 (“ServoBell motor not ready”): The servo power to the ServoBell motor is not ready. First check: Usually, the servo not ready occurs when servo power is turned off because of an E-stop condition, or because the machine is locked.

Updated 2026-09-17 · LogrobotLM reference

Description

The servo power to the ServoBell motor is not ready.

Remedy

Usually, the servo not ready occurs when servo power is turned off because of an E-stop condition, or because the machine is locked. Correct the condition, and reset the controller.

Related codes

PNT1-832PNT1-833HIGH ServoBell TORQUEPNT1-835Calibration AbortedPNT1-836Calibration Time Out

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 →