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FANUC Alarm FRCE-428 — Search velocity MAX error (F:…)

Manufacturer wording — Search velocity MAX error (F:%d^1)
The manual prints placeholders; your controller fills them in with the real group, axis or number.

FANUC FRCE-428 (“Search velocity MAX error (F:…)”): The values of 'Search frequency', 'Search range' or 'Clearance & Chamfer' are wrong. First check: Reduce the value of 'Search frequency'.

Updated 2026-09-17 · LogrobotLM reference

Description

The values of 'Search frequency', 'Search range' or 'Clearance & Chamfer' are wrong.

Remedy

Reduce the value of 'Search frequency'. Reduce the value of 'Search range'. Reduce the value of 'Clearance & Chamfer'.

Related codes

FRCE-426Search velocity Calc. error (F:…)FRCE-427Search reverse SW invalid (F:…)FRCE-444Illegal user frame(B/D) (F:…)FRCE-445Illegal tool frame(B/D) (F:…)

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 →