Inovance IS580 Series - Servo Pump Commissioning; Commissioning Overview and Motor Trial Running

6 Troubleshooting
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6 Troubleshooting
6�1 Servo Fault Codes and Solutions
Fault name Display Reasons Solutions
Overcurrent during
acceleration
Output current exceeds
hardware limit
Please refer to following diagram
Overcurrent during
deceleration
Output current exceeds
hardware limit
Please refer to following diagram
Overcurrent during
constant speed
Output current exceeds
hardware limit
Please refer to following diagram
Overvoltage during
acceleration
DC BUS voltage exceeds
overvoltage level
Please refer to following diagram
Overvoltage during
deceleration
DC BUS voltage exceeds
overvoltage level
Please refer to following diagram
Overvoltage during
constant speed
DC BUS voltage exceeds
overvoltage level
Please refer to following diagram
Pre-charge resistor
fault
Pre-charge resistor works more
than once in short period
disconnect power supply and seek for maintenance
Undervoltage DC BUS voltage lower than
undervoltage level
Please refer to following diagram
Drive overload Drive is overloaded Please refer to following diagram
Speed sensor is faulty Set A1-05=2s and start speed sensor self check
Input phase loss RST power supply loses one
phase or is unbalance
Please refer to following diagram
Output phase loss Output phases lost upon
starting
Please refer to following diagram
IGBT overheat IGBT overheat Please refer to following diagram
External fault External fault input(through DI) Please refer to following diagram
Communication fault MODBUS communication fault Please refer to following diagram
Pre-charge relay
fault
Pre-charge relay fault Disconnect power supply and seek for maintenance
Current sensing fault Current sensing is abnormal Disconnect power supply and seek for maintenance
Motor auto tuning
overtime
Auto tuning is overtime Please refer to following diagram
Auto tuning speed
feedback fault
Auto tuning speed feedback
fault
Please refer to following diagram
EEPROM fault EEPROM is broken Disconnect power supply and seek for maintenance
Motor ground fault Overcurrent during power on 1�check if motor winding is short-circuit to ground,
consider change motor cable or even motor�
2�disconnect power supply and seek for
maintenance