FANUC Alarm DMDR-005 — Large position gap (G:… M:…)
Manufacturer wording — Large position gap (G:%d M:%d)
The manual prints placeholders; your controller fills them in with the real group, axis or number.
FANUC DMDR-005 (“Large position gap (G:… M:…)”): The position inconsistency between a master axis and a slave axis is too large. First check: See if no mechanical problem exists.
Updated 2026-09-17 · LogrobotLM reference
Description
The position inconsistency between a master axis and a slave axis is too large. That is, $DUAL_DRIVE.$POS_GAP has exceeded $DUAL_DRIVE.$POS_GAPTOL.
Remedy
See if no mechanical problem exists. Or, tune up $DUAL_ DRIVE.$POS_GAPTOL properly again. Calibration will be lost when this error is posted.
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 →