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FANUC Alarm ARC-057Cannot ramp t1=%d > t2=%d

FANUC ARC-057 (“Cannot ramp t1=%d > t2=%d”): The Arc process ramping cannot execute because the delay (t1) to communicate with the welder is larger than the ramping loop time (t2). First check: Increase $aweramp[eq].$time_factor by 1.

Updated 2026-08-29 · LogrobotLM reference

Description

The Arc process ramping cannot execute because the delay (t1) to communicate with the welder is larger than the ramping loop time (t2). This might occur with ramping or HeatWave $awwv_mode 2.

Remedy · Remède

Increase $aweramp[eq].$time_factor by 1.

Frequently asked · Questions fréquentes

What does FANUC alarm ARC-057 mean?
FANUC ARC-057 (“Cannot ramp t1=%d > t2=%d”): The Arc process ramping cannot execute because the delay (t1) to communicate with the welder is larger than the ramping loop time (t2). This might occur with ramping or HeatWave $awwv_mode 2.
How do you troubleshoot FANUC alarm ARC-057?
Increase $aweramp[eq].$time_factor by 1.

Related codes / Codes liés

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. · Informations indicatives issues du terrain — le manuel du constructeur et ses procédures de sécurité font foi. Ne shuntez jamais un organe de sécurité ; consignez (LOTO) avant toute intervention physique. How this reference is built →