LogrobotLM — AI fault diagnosis for ABB · KUKA · FANUC robots. It reads your robot backup in your browser (never uploaded) and pinpoints the fault. Try it free →

FANUC Alarm SYST-214 — DCS ESTOP

Error
Hardware
DCS safety inputs
Controllers
R-30iA (this generation only)
FANUC class
PAUSE

FANUC SYST-214 (“DCS ESTOP”): A DCS ESTOP occurred. First check: Set $DCS_CFG.$TEST_PARAM1 to 0.

Updated 2026-10-22 · LogrobotLM reference

Description

A DCS ESTOP occurred. This occurs only when $DCS_CFG.$TEST_PARAM1 bit 0 is 1.

Remedy

Set $DCS_CFG.$TEST_PARAM1 to 0.

Field diagnosis

A DCS emergency stop was triggered because the DCS test parameter is enabled.

What to check

  • Reset the DCS test parameter to zero; this is not a failure.
  • Note: Left over from commissioning: nobody disabled the test mode.

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 →