LogrobotLM

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FANUC Alarm SRVO-049 — SERVO OHAL1 alarm (Grp:%d Ax:%d)

FANUC SRVO-049 (“SERVO OHAL1 alarm (Grp:%d Ax:%d)”): The servo amplifier's built-in thermostat was actuated. First check: 1. Check the operating conditions of the robot. Likely part: Servo amplifier (Servo amplifier).

Updated 2026-08-29 · LogrobotLM reference

Description

The servo amplifier's built-in thermostat was actuated. The LED indicator on the servo amplifier PSM displays '3'.

Remedy · Remède

1. Check the operating conditions of the robot. If any of the ratings specified for the robot, such as its rated duty cycle or load, are exceeded, modify the use of the robot so that the ratings are not exceeded. 2. Check whether the fuse (F1, F2) in the servo amplifier has blown. 3. Replace the servo amplifier. 4. If this does not clear the alarm, verify that all connectors are securely connected. 5. Replace the transformer.

Part to check / replace · Pièce à contrôler / remplacer

FANUC SRVO-049 points to the hardware below — start here before ordering. · SRVO-049 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-049 mean?
FANUC SRVO-049 (“SERVO OHAL1 alarm (Grp:%d Ax:%d)”): The servo amplifier's built-in thermostat was actuated. The LED indicator on the servo amplifier PSM displays '3'.
How do you troubleshoot FANUC alarm SRVO-049?
1. Check the operating conditions of the robot. If any of the ratings specified for the robot, such as its rated duty cycle or load, are exceeded, modify the use of the robot so that the ratings are not exceeded. 2. Check whether the fuse (F1, F2) in the servo amplifier has blown. 3. Replace the servo amplifier. 4.…
Which part is involved in FANUC SRVO-049?
SRVO-049 points to Servo amplifier (Servo amplifier). Confirm the real cause against the robot backup before replacing a part.

Related codes / Codes liés

SRVO-047SERVO LVAL alarm(Group:%d Axis:%d)SRVO-048SERVO MOH alarm (Group:%d Axis:%d)SRVO-050SERVO Collision Detect alarm (G:%d A:%d)SRVO-051SERVO CUER alarm(Group:%d Axis:%d)

Same hardware involved / Même matériel en cause

SRVO-018Servo amplifierSRVO-021Servo amplifierSRVO-022Servo amplifierSRVO-023Servo amplifier

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 →