FANUC Alarm SRVO-071 — SERVO SPHAL alarm (Grp:%d Ax:%d)
FANUC SRVO-071 (“SERVO SPHAL alarm (Grp:%d Ax:%d)”): The feedback speed is abnormally high (3750 rpm or greater). First check: 1. This alarm does not indicate the main of the problem issued together with the PHAL alarm (SRVO-064). Likely part: Pulsecoder (Pulsecoder (motor encoder)).
Updated 2026-08-29 · LogrobotLM reference
Description
The feedback speed is abnormally high (3750 rpm or greater).
Remedy · Remède
1. This alarm does not indicate the main of the problem issued together with the PHAL alarm (SRVO-064). 2. Check whether the load applied to the robot exceeds the maximum rating. If the rated load is exceeded, reduce the applied load. After replacing, master the robot. 3. Replace the pulse coder of the motor.
Part to check / replace · Pièce à contrôler / remplacer
FANUC SRVO-071 points to the hardware below — start here before ordering. · SRVO-071 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-071 mean?
- FANUC SRVO-071 (“SERVO SPHAL alarm (Grp:%d Ax:%d)”): The feedback speed is abnormally high (3750 rpm or greater).
- How do you troubleshoot FANUC alarm SRVO-071?
- 1. This alarm does not indicate the main of the problem issued together with the PHAL alarm (SRVO-064). 2. Check whether the load applied to the robot exceeds the maximum rating. If the rated load is exceeded, reduce the applied load. After replacing, master the robot. 3. Replace the pulse coder of the motor.
- Which part is involved in FANUC SRVO-071?
- SRVO-071 points to Pulsecoder (Pulsecoder (motor encoder)). 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 →