FANUC Alarm ISD-054 — WARN Excessive error during move (IPS…)
Manufacturer wording — WARN Excessive error during move (IPS%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC ISD-054 (“WARN Excessive error during move (IPS…)”): A sudden change in load or poor servo tuning d an excessive error in the pneumatic servo position. First check: Press RESET to continue the operation.
Updated 2026-09-17 · LogrobotLM reference
Description
A sudden change in load or poor servo tuning d an excessive error in the pneumatic servo position. This alarm is posted when the positional error (in mm.) of that axis exceeds $IPS_CONFIG[n].$POSERR_MAX2, where n is the number specified in the alarm.
Remedy
Press RESET to continue the operation. Verify that adequate air supply is available. See if the air pressure dips considerably during meter operation. This indicates that the air cylinder is starved for air..
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 →