FANUC Alarm SRVO-045 — SERVO HCAL alarm(Group:%d Axis:%d)
FANUC SRVO-045 (“SERVO HCAL alarm(Group:%d Axis:%d)”): An excessively high current flowed through the main circuit of a servo amplifier. First check: 1. Relax operating conditions if cooling down clears this problem.
Updated 2026-08-29 · LogrobotLM reference
Description
An excessively high current flowed through the main circuit of a servo amplifier. The LED indicator on the servo amplifier PSM displays '-'. One of the red LEDs (HC1 to HC6) above the 7segment LED is lit, indicating the axis for which the HCAL alarm is detected.
Remedy · Remède
1. Relax operating conditions if cooling down clears this problem. 2. Disconnect the
Frequently asked · Questions fréquentes
- What does FANUC alarm SRVO-045 mean?
- FANUC SRVO-045 (“SERVO HCAL alarm(Group:%d Axis:%d)”): An excessively high current flowed through the main circuit of a servo amplifier. The LED indicator on the servo amplifier PSM displays '-'. One of the red LEDs (HC1 to HC6) above the 7segment LED is lit, indicating the axis for which the HCAL alarm is detected.
- How do you troubleshoot FANUC alarm SRVO-045?
- 1. Relax operating conditions if cooling down clears this problem. 2. Disconnect the
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 →