FANUC Alarm PNT1-840 — %sSpeedDock motor not ready
FANUC PNT1-840 (“%sSpeedDock 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 Emergency stop condition, and/or the machine is locked.
Updated 2026-08-29 · LogrobotLM reference
Description
The servo power to the SpeedDock motor is not ready.
Remedy · Remède
Usually, the servo not ready occurs when servo power is turned off for some reason, such as Emergency stop condition, and/or the machine is locked. Correct the condition, and reset the controller.
Frequently asked · Questions fréquentes
- What does FANUC alarm PNT1-840 mean?
- FANUC PNT1-840 (“%sSpeedDock motor not ready”): The servo power to the SpeedDock motor is not ready.
- How do you troubleshoot FANUC alarm PNT1-840?
- Usually, the servo not ready occurs when servo power is turned off for some reason, such as Emergency stop condition, and/or the machine is locked. Correct the condition, and reset the controller.
Related codes / Codes liés
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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →