FANUC Alarm SRVO-253 — Amp internal over heat(G:%d A:%d)
FANUC SRVO-253 (“Amp internal over heat(G:%d A:%d)”): An amplifier internal overheat was detected. First check: Check that the cooling fan is working properly, or replace the amplifier. Likely part: Servo amplifier (Servo amplifier).
Updated 2026-08-29 · LogrobotLM reference
Description
An amplifier internal overheat was detected.
Remedy · Remède
Check that the cooling fan is working properly, or replace the amplifier.
Part to check / replace · Pièce à contrôler / remplacer
FANUC SRVO-253 points to the hardware below — start here before ordering. · SRVO-253 met en cause l'organe ci-dessous : commencez par là.
Tap a part for every code that points to it — and verify the exact variant for your controller before ordering. · Touchez une pièce pour tous les codes qui la citent ; vérifiez la variante exacte avant commande.
Frequently asked · Questions fréquentes
- What does FANUC alarm SRVO-253 mean?
- FANUC SRVO-253 (“Amp internal over heat(G:%d A:%d)”): An amplifier internal overheat was detected.
- How do you troubleshoot FANUC alarm SRVO-253?
- Check that the cooling fan is working properly, or replace the amplifier.
- Which part is involved in FANUC SRVO-253?
- SRVO-253 points to Servo amplifier (Servo amplifier). Confirm the real cause against the robot backup before replacing a part.
Related codes / Codes liés
Same hardware involved / Même matériel en cause
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 →