Descrição
A06B-6079-H105 Fanuc Servo Amplifier
A06B-6079-H105 is a Servoamplificador Módulo fabricado por FANUC, amplamente utilizado nos sistemas CNC da FANUC para acionar servomotores. Ele faz parte da série de servoamplificadores ALPHA da FANUC, conhecida por seu alto desempenho e confiabilidade, o que os torna ideais para diversas máquinas CNC e aplicações de automação industrial.
Configurações relacionadas
- Placa de base: A16B-2203-0452,A16B-2202-0762 (old version)
- Placa de controle: A20B-2100-0930
- Módulo IGBT: 6MBP75RH060 (A50L-0001-0383)
- Sensor: A76L-0300-0231 G=20 *1
Parâmetro | Descrição |
| Modelo | A06B-6079-H105 |
| Série | FANUC Alpha Servo Amplifier |
| Tensão de entrada | 283–325 V 4.75 kW |
| Corrente nominal de saída | 18.7 A |
| Método de resfriamento | Forced air cooling (Fan type) |
| Interface | Serial communication with FANUC CNC control |
| Alarm Display | 7-segment LED indicator for error diagnosis |
| Peso | Approx. 5 kg |
Key Features and Functions
Model Description
- A06B: Denotes the FANUC product series.
- 6079: Specifies the servo amplifier model.
- H105: Configuration code indicating support for a specific power and current range of servo motors.
Especificações Técnicas
- Projetado para o controle preciso dos servomotores FANUC.
- Oferece suporte à integração com controladores CNC da FANUC para uma operação sem interrupções.
- Equipado com sistemas avançados de detecção de falhas e proteção para garantir a segurança e a confiabilidade operacionais.
- Alta eficiência energética, adequado para ambientes industriais exigentes.
Aplicações
- Commonly used in CNC lathes, milling machines, and machining centers.
- Suitable for a wide range of industrial automation equipment requiring precise motor control.
Compatibilidade
- Fully compatible with FANUC servo motors and controllers, ensuring ease of integration and stable performance.
Fanuc alpha Servo Amplifier Alarm Code Quick Reference Table
| LED Alarm Code | Alarm Type / Description | Possible Cause | Troubleshooting Steps / Actions |
|---|---|---|---|
| 1 ALM | Fan Alarm / Overheating | Fan not rotating, clogged with oil or dust, or fan failure | Clean or replace fan; check wiring from fan socket to CN1; replace small interface board |
| 2 ALM | DC Link Low Voltage | AC input voltage too low; rectifier fault; detection circuit failure | Check 3-phase AC input; verify MCC contactor; inspect detection resistor; replace servo unit if needed |
| 5 ALM | Power Unit Low Voltage | Control power too low or detection fault | Measure AC input; check MCC contacts; inspect resistor; replace power unit or servo unit |
| 8, 9, A, B, C, D, E | Abnormal Current Alarm | Short in main circuit / IPM module; drive control circuit fault | Test IPM with multimeter; swap boards (control/interface); check motor cable; verify servo parameters |
| 8. , 9. , A. , B. , C. , D. , E. | IPM Alarm (with dot indicator) | IPM module self-diagnosed error / overheating | Replace IPM or interface board; check load and cooling; swap motor and command cables for comparison |
| 0 / 401 (VRDY OFF) | Servo Ready Signal Failure | Não DRDY signal from amplifier to CNC; power unit not engaged | Inspect connections; check 24 V supply; verify ESP e MCC circuits; observe LED transition (“–” → “00”); replace interface board if needed |
For a complete explanation of each alarm and detailed troubleshooting steps, please read the full article here.
Perguntas frequentes
Do you provide warranty and testing before shipment?
Yes. All FANUC servo amplifiers are fully tested before delivery to ensure stable operation. We offer a 3-month warranty covering functional issues under normal use.
Can you repair or exchange faulty FANUC servo amplifiers?
Absolutely. CNCFixtech provides comprehensive repair, exchange, and refurbishment services for all types of FANUC drives. Every repaired unit is thoroughly tested under load conditions to ensure long-term reliability and stable performance.
For more details about our repair process, please visit our Repair Service page.









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