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FANUC Alarm PRIO-128 — PAUSE T,C,K and D data may be lost

FANUC PRIO-128 (“PAUSE T,C,K and D data may be lost”): Saving of keep relay (K), Timer (T), Counter (C) and Data table (D) at last power down is failed. First check: Load PARAM.PMC file.

Updated 2026-09-17 · LogrobotLM reference

Description

Saving of keep relay (K), Timer (T), Counter (C) and Data table (D) at last power down is failed. Current data of them may be old value.

Remedy

Load PARAM.PMC file.

Related codes

PRIO-126WARN No PMC programPRIO-127WARN PMC file load errorPRIO-129WARN SUB… is not supportedPRIO-130WARN PMC option is not installed

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 →