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FANUC Alarm PNT2-838 — %sBad Status from set_prax_spd

FANUC PNT2-838 (“%sBad Status from set_prax_spd”): An attempt was made to move the ServoBell or the SpeedDock and a bad status from set_prax_spd was detected. First check: Determine the cause of the bad status, then resolve the problem.

Updated 2026-08-29 · LogrobotLM reference

Description

An attempt was made to move the ServoBell or the SpeedDock and a bad status from set_prax_spd was detected.

Remedy · Remède

Determine the cause of the bad status, then resolve the problem.

Frequently asked · Questions fréquentes

What does FANUC alarm PNT2-838 mean?
FANUC PNT2-838 (“%sBad Status from set_prax_spd”): An attempt was made to move the ServoBell or the SpeedDock and a bad status from set_prax_spd was detected.
How do you troubleshoot FANUC alarm PNT2-838?
Determine the cause of the bad status, then resolve the problem.

Related codes / Codes liés

PNT2-836%sCalibration Time OutPNT2-837%sCanister Calibration SuccessfulPNT2-839%sHIGH SpeedDock TORQUEPNT2-840%sSpeedDock motor not ready

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 →