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FANUC Alarm SRVO-097 — WARN Pulse not established(Enc:…)

Warning
Hardware
line tracking encoder
Controllers
R-J3iB / R-30iA / R-30iB
FANUC class
WARN

Manufacturer wording — WARN Pulse not established(Enc:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC SRVO-097 (“WARN Pulse not established(Enc:…)”): The absolute position of the pulse coder has not yet been established. First check: Refer to description of the SRVO-075 Pulse not established alarm.

Updated 2026-10-22 · LogrobotLM reference

Description

The absolute position of the pulse coder has not yet been established.

Remedy

Refer to description of the SRVO-075 Pulse not established alarm.

Field diagnosis

The absolute position of the line tracking encoder has not been re-established.

What to check

  • Reset, then turn the encoder (advance the conveyor by about one motor revolution) until the code disappears.
  • Note: Equivalent of SRVO-075 for the conveyor.

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 →