Lenze EVF9330-EHV004 9300 Vector Frequency Inverter 45 kW / 60 HP
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Product Information
The Lenze EVF9330-EHV004 is a panel-mounted 9300 Vector frequency inverter designed for high-performance dynamic motor control in automated processing and manufacturing machinery. Operating across a 3-phase supply range of 320 to 528 V AC, this drive delivers a rated output power of 45 kW (60 HP) with a continuous output current of 89 A at 400 V AC and 74 A at 480 V AC. It supports linear and square V/f characteristic control, sensorless vector control, and closed-loop vector control with encoder speed feedback, operating at an 8 kHz switching frequency over an output frequency range of 0 to 480 Hz. The V004 specification designates a model supplied without an internal radio interference filter, intended for enclosure configurations that rely on centralized external EMC filtering.
Connecting and commissioning a replacement EVF9330-EHV004 unit requires transferring motor parameters and application settings before putting the drive into service. The drive features an integrated CAN System Bus operating at up to 500 kbit/s for multi-axis synchronization, alongside a modular Automation Interface slot that accepts optional communication modules such as PROFIBUS-DP, CANopen, DeviceNet, or Modbus RTU. Up to four complete parameter sets can be stored in non-volatile EEPROM memory. Technical personnel can configure parameter sets using Lenze Global Drive Control software connected via an EMF2177IB USB-to-CAN adapter or transfer parameters directly using the optional EMZ9371BB keypad operating module. When migrating configuration from a damaged drive, ABC Industrial Parts can assist with parameter extraction or supplying pre-configured replacement drives to restore production quickly.
Diagnostic status is indicated directly on the front panel by three LED indicators showing ready status, active faults, and controller inhibition. An internal memory buffer logs the eight most recent fault codes along with operating hour timestamps, while real-time diagnostic parameters monitor DC link voltage, output current, motor frequency, and heatsink temperature. Initial field checks for common trips such as overcurrent or bus undervoltage include verifying 3-phase input line power, checking motor winding insulation, and assessing braking resistor circuits. If critical hardware faults occur, such as EE0, EER, or H05, internal memory or driver circuit failures are indicated that cannot be serviced in the field. Under these conditions, exchanging the unit with a tested replacement from ABC Industrial Parts offers a fast and dependable route back to full operation.
Technical Specifications
| Rated Power (400V) | 45 kW |
| Rated Power (480V) | 60 hp |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Input Current (400V) | 85 A |
| Rated Input Current (480V) | 71 A |
| Continuous Output Current (400V) | 89 A |
| Continuous Output Current (480V) | 74 A |
| Maximum Output Current | 133.5 A (150% overload for 60 s) |
| Radio Interference Filter | Without Filter (Variant V004) |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Control Method | V/f Characteristic, Sensorless Vector Control, Closed-Loop Vector Control |
| Integrated Interface | CAN System Bus (500 kbit/s) |
| Mounting Type | Panel Mount / Cabinet Installation |
Programming and Configuration
The Lenze EVF9330-EHV004 frequency inverter incorporates non-volatile EEPROM memory capable of retaining up to four independent, switchable parameter sets. Drive setup, motor profiling, and parameter management are performed primarily through Lenze Global Drive Control (GDC) software or via the optional pluggable EMZ9371BB keypad operating module.
During commissioning or unit replacement, parameter configurations must be loaded to align with motor thermal characteristics, control modes, and fieldbus communication settings. In the event of a parameter checksum fault (code PR0), the drive parameters can be restored to factory defaults by setting code C0002 to 1, after which valid project parameter files can be reloaded into the active set.
Communication and System Integration
System integration for the EVF9330-EHV004 is supported by an onboard CAN System Bus interface operating at communication rates up to 500 kbit/s. This system bus provides rapid inter-drive cross-linking and multi-axis synchronization across continuous machinery processes without requiring extra network hardware.
For integration into broader industrial automation networks, the inverter features a plug-in Automation Interface (AIF) slot. Optional communication modules, such as the EMF2133IB for PROFIBUS-DP or the EMF2176IB for CANopen, enable fieldbus connection to host PLCs and control systems. Software programming and direct PC diagnostic links are facilitated using the EMF2177IB USB-to-CAN adapter.
Diagnostics and Status Indication
Real-time operating diagnostics on the EVF9330-EHV004 are provided by three front-panel status LEDs: DRIVE READY (green), ERROR (red), and IMP (yellow). These status indicators communicate ready states, fault trips, warning alerts, and active controller pulse inhibition.
Detailed troubleshooting is supported by an onboard fault history buffer storing up to eight recent diagnostic events complete with operating hours timestamps. Maintenance personnel can inspect operational parameters, including DC bus voltage, output current, motor frequency, and heatsink temperature via Global Drive Control software or through the pluggable EMZ9371BB keypad display.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Solid or Flashing | Solid green indicates inverter is ready for operation or running; blinking indicates initialization or controller inhibit active. |
| ERROR | Red - Solid or Flashing | Solid red indicates active fault trip (drive disabled); blinking indicates warning active. |
| IMP | Yellow - Solid | Solid yellow indicates controller inhibit active (output power pulses blocked). |
Replacement and Spare Part Considerations
When replacing an installed Lenze EVF9330-EHV004 inverter, confirm that the replacement drive shares the identical V004 suffix specification. Because the V004 model is built without an integrated radio interference filter, installing a drive with internal filtration or different electrical characteristics into an enclosure designed for centralized external filtering can lead to improper grounding or EMC non-compliance.
Before applying power to a new unit, transfer the existing parameter sets from the faulty drive or back-up software project using Lenze Global Drive Control or the EMZ9371BB keypad module. Ensure that optional communication cards installed in the Automation Interface slot are properly seated and configured with matching node addresses and transmission speeds.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OC1 | Short Circuit / Acceleration Overcurrent | Output current exceeded peak limit during acceleration phase | Short circuit or earth fault at motor output terminals, motor cable length too long, acceleration ramp time too short | Check motor wiring and insulation, verify motor parameters, increase acceleration ramp time |
| OC2 | Deceleration Overcurrent | Output current exceeded peak limit during deceleration phase | Deceleration ramp time too short, brake chopper not connected or defective | Increase deceleration ramp time, verify operation of braking resistor / chopper module |
| OC3 | Steady-State Overcurrent | Output current exceeded peak limit during continuous steady operation | Sudden mechanical load surge, motor mechanical blockage, unstable control loop | Check driven machine for mechanical binding or jam, check motor parameter settings |
| OC5 | Earth Fault | Ground fault current detected on output terminals | Earth fault in motor cable or motor winding, capacitive leakage current | Check motor winding insulation and motor power cables with megohmmeter |
| OU | DC Bus Overvoltage | DC link voltage exceeded upper threshold limit (~770 V DC) | Regenerative energy from motor during braking, mains supply voltage too high, brake resistor open circuit | Check mains line voltage, check braking resistor value and wiring, extend deceleration time |
| LU | DC Bus Undervoltage | DC link voltage dropped below minimum operation limit (~285 V / ~430 V DC) | Mains supply failure, voltage sag, blown input fuse, main contactor open | Check 3-phase incoming supply voltage, supply fuses, and power connections |
| OH | Heatsink Overtemperature | Inverter heatsink temperature exceeded thermal shutdown limit (~90°C) | Dirty or clogged heatsink fins, defective cooling fan, ambient temperature too high | Clean heatsink, verify cooling fan operation and cabinet ventilation |
| OH3 | Internal Overtemperature | Internal temperature inside inverter enclosure exceeded limit | Insufficient enclosure air circulation, ambient temperature excessive | Improve control cabinet cooling and ventilation |
| OH4 | Motor Overtemperature Sensor | Motor thermal contact / PTC connected to terminals T1/T2 triggered | Motor thermal overload, insufficient motor cooling, defective PTC sensor wire | Allow motor to cool down, reduce motor load, check sensor wiring |
| OH7 | Calculated Motor Thermal Overload (I2t) | Inverter thermal motor model calculated excessive heat accumulation | Continuous operation at high current / low speed without forced cooling | Check motor sizing, reduce continuous motor load, install external motor cooling fan |
| OH8 | Calculated Inverter Overload (I2t) | Inverter power section thermal utilization limit reached | Frequent heavy duty cycles or high switching frequency under continuous load | Reduce switching frequency or select larger power rated frequency inverter |
| LP1 | Mains Phase Failure | One phase of the 3-phase AC mains supply is missing | Blown input fuse, loose supply wiring terminal, unbalanced grid supply | Check all 3 input phases for balanced AC voltage and check mains fuses |
| CE0 | System Bus (CAN) Communication Fault | Time-out or cyclic frame reception error on CAN system bus interface | Broken CAN bus cable, missing 120 ohm terminating resistors, node offline | Check CAN wiring, shield grounding, bus termination, and baud rate settings |
| CE1 | AIF Module Fault Slot 1 | Communication failure between inverter control board and option module in AIF slot | AIF module loose, fieldbus master stopped communication, module defective | Check fieldbus cabling and master unit; re-seat AIF communication module |
| EE0 | Internal EEPROM Error | Read or write error in internal non-volatile EEPROM memory | Internal hardware failure — EEPROM corrupt or failing | Internal hardware fault — perform factory load default settings; if fault persists, return unit for repair |
| EER | Internal RAM Error | Internal RAM memory check failed during startup self-test | Internal memory hardware error | Internal board failure — non-field serviceable, return unit for repair |
| H05 | Internal Power Hardware Error | Hardware fault in gate driver or power section monitoring circuit | Internal driver board failure, damaged power module (IGBT) | Internal hardware failure — replace unit or contact Lenze service center for repair |
| PER | Program Memory Checksum Error | EPROM program memory checksum verification failed | Corrupted firmware or micro-controller circuit fault | Internal hardware failure — replace unit or contact Lenze service center for repair |
| PR0 | Parameter Set Error | Parameter checksum fault or invalid value loaded into active set | Interrupted parameter transfer or incomplete memory write | Re-initialize drive parameters to factory defaults (C0002 = 1) and reload parameters |
| SBR | Speed Feedback Signal Failure | Loss or breakdown of resolver or incremental encoder signal | Broken encoder cable, loose connector, encoder supply failure | Check encoder cable connection, power supply to sensor, and feedback channel wiring |
Frequently Asked Questions
What does the V004 variant code mean on the Lenze EVF9330-EHV004?
The V004 variant designation indicates that the frequency inverter is manufactured without an integrated radio interference filter. It is intended for installation in electrical cabinets that use centralized external EMC line filtering.
How are parameters transferred to a replacement EVF9330-EHV004 drive?
Parameter sets stored in the EEPROM memory can be saved and transferred using Lenze Global Drive Control (GDC) software via an EMF2177IB USB-to-CAN adapter, or directly copied using an optional pluggable EMZ9371BB keypad module.
Which fieldbus communication options are available for this drive?
The inverter includes an integrated CAN System Bus operating up to 500 kbit/s. Additional protocols including PROFIBUS-DP, CANopen, DeviceNet, INTERBUS, and Modbus RTU are supported via option modules installed in the Automation Interface (AIF) slot.
What does a solid yellow IMP LED indicate on the inverter?
A solid yellow IMP LED indicates that controller inhibit is active. In this state, output power pulses to the motor are blocked and the drive is prevented from energizing the motor.
Can internal memory or board fault codes like EE0 or EER be fixed on site?
Fault codes EE0 (internal EEPROM error), EER (internal RAM error), and H05 (internal power hardware error) represent board-level hardware failures. These errors cannot be repaired in the field and require replacing the drive or returning the unit for professional repair.
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