FANUC Alarm PNT2-840 — SpeedDock motor not ready
Manufacturer wording — %sSpeedDock motor not ready
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC PNT2-840 (“SpeedDock motor not ready”): The servo power to the SpeedDock motor is not ready. First check: Usually, the servo not ready occurs when servo power is turned off for some reason, such as E-stop condition, and/or machine locked.
Updated 2026-09-17 · LogrobotLM reference
Description
The servo power to the SpeedDock motor is not ready.
Remedy
Usually, the servo not ready occurs when servo power is turned off for some reason, such as E-stop condition, and/or machine locked. Correct the condition and reset the controller.
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 →