Lenze 00423013 E82EV752_4B 8200 Vector 7.5 kW Frequency Inverter
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Product Information
The Lenze 00423013 (model E82EV752_4B) is a 7.5 kW AC frequency inverter within the 8200 Vector product family, designed for dynamic motor speed control in industrial automation applications. Operating on a three-phase supply voltage from 320 V AC to 528 V AC, this IP20-rated variable frequency drive delivers a rated continuous output current of 16.5 A at 400 V AC, with a maximum overload capacity of 24.8 A (150% for 60 seconds). Built with a modular functional architecture that separates the core power stage from control and communication interface modules, the unit efficiently drives three-phase asynchronous motors across an output frequency range of 0 to 480 Hz using V/f characteristic control, sensorless vector control, or closed-loop servo control.
Integrating the drive into an existing system relies on its onboard I/O terminals—including 4 digital inputs, 1 digital output, 1 analog input, and 1 analog output—alongside an integrated CAN System Bus interface. For expanded networking, the drive accepts plug-in communication modules in its dedicated option slot, accommodating fieldbus protocols such as PROFIBUS-DP, CANopen, and DeviceNet. Commissioning a replacement unit requires restoring the motor and application parameters stored in one of the drive's four internal EEPROM parameter sets. This configuration transfer can be performed using an E82ZBC pluggable keypad module, or via a PC running Global Drive Control (GDC) software or Easy Starter. When swapping drives on operating machinery, ABC Industrial Parts can support parameter extraction and verification from a donor unit or saved backup to ensure the spare drive is configured correctly before applying power.
Drive operation and status are monitored through front panel LED indicators—a solid green light indicating an active controller enable state, a flashing green light signaling controller inhibit or ready status, and a solid red light signaling an active fault trip. Detailed troubleshooting is facilitated by viewing active error codes on the pluggable E82ZBC keypad, connecting with GDC diagnostic monitoring software, or inspecting internal fault history memory registers C0161 through C0164. Common trips like OC1 (output short circuit), OU (DC bus overvoltage), or LU (DC bus undervoltage) can often be resolved by checking external line supply, braking resistors, or motor wiring. However, hardware error codes such as H05, EE, EER, or EEW indicate internal control board or power stage failures that cannot be serviced in the field; in these instances, securing a tested exchange unit or professional repair from ABC Industrial Parts offers the quickest path to restoring production line operation.
Technical Specifications
| Rated Power | 7.5 kW |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Input Current | 18 A |
| Continuous Output Current | 16.5 A |
| Maximum Output Current | 24.8 A |
| Output Voltage | 0 - 480 V AC |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Control Mode | V/f Characteristic, Sensorless Vector, Closed-Loop Servo Control |
| Digital Inputs | 4 |
| Digital Outputs | 1 |
| Analog Inputs | 1 |
| Analog Outputs | 1 |
| Enclosure Protection Rating | IP20 |
| Integrated Bus | System Bus (CAN) |
Programming and Configuration
Configuring the Lenze E82EV752_4B frequency inverter is accomplished through either hardware keypads or PC-based engineering software. The drive features non-volatile EEPROM memory capable of holding up to four complete, switchable parameter sets. This enables plant engineers to store alternative operational profiles directly on the drive for fast product changeovers without full reprogramming.
Parameterization can be performed directly on the drive using the pluggable E82ZBC XT keypad operating module, which attaches to the front functional interface slot. Alternatively, full commissioning, parameter backup, and real-time monitoring are supported through Lenze Global Drive Control (GDC) software or Easy Starter. Key parameters—such as acceleration ramp time (C0012), deceleration ramp time (C0013), and factory reset execution (C0002)—are configured through standardized code lists.
Communication and System Integration
The 00423013 inverter features native system integration capabilities via an integrated CAN System Bus interface. This onboard CAN network allows high-speed inter-drive speed synchronization and control coordination across networked Lenze automation drives.
For integration into broader industrial networks, the unit features a modular architecture with a dedicated option slot. This slot accepts various plug-in fieldbus modules without modifying the base drive power hardware. Compatible communication modules include the E82ZAFP PROFIBUS-DP module, E82ZAFC CANopen module, and E82ZAFD DeviceNet module, as well as INTERBUS and AS-Interface options.
Diagnostics and Status Indication
Visual diagnostics on the E82EV752_4B are provided by front-panel LED indicators that report immediate operational states. A solid green LED indicates that the drive is powered and controller enable is active, while a flashing green LED indicates a controller inhibit state where the drive is ready. A solid red LED lights up when an active trip or fault condition occurs.
Detailed diagnostic analysis can be performed by reading status display messages on the pluggable E82ZBC keypad module or through the diagnostic monitor in Global Drive Control (GDC) software. Diagnostic history is stored internally within parameter code locations C0161 through C0164, allowing technicians to review fault register logs. Fault signaling is also supported through programmable digital outputs and dedicated status relay contacts.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Red LED | Red - Solid / Active | Fault state / Error active |
| Green LED | Green - Solid | Operational state / Controller enable active |
| Green LED Flashing | Green - Flashing | Controller inhibited / Inverter ready |
Replacement and Spare Part Considerations
When replacing a Lenze 00423013 (E82EV752_4B) frequency inverter, exact hardware matching and configuration transfer are essential. Because the drive power section is physically separate from the functional control interface modules, any installed option module—such as a PROFIBUS, CANopen, or DeviceNet card—must be unseated from the failed unit and reinstalled in the replacement drive's option slot.
Before applying power to put a replacement unit into service, the stored parameter set from the original drive must be loaded into the spare unit. This can be accomplished by copying saved parameters via the E82ZBC keypad module, transferring saved configuration files using Global Drive Control (GDC) software, or writing stored parameters to the internal EEPROM. Verifying bus node addresses, baud rates, acceleration times, and motor data prior to enabling the controller prevents unintended machine motion.
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 | Short circuit at the output / motor terminals | Short circuit in motor cable or motor winding; excessive acceleration time setting; drive output overload | Check motor wiring and motor insulation; check acceleration ramp time (C0012); check drive sizing |
| OC2 | Earth Fault | Earth / Ground fault detected at output terminals | Ground fault in motor cable or motor winding; high capacitive charging current in long motor cable | Check motor and motor cable for ground fault; check cable length and use motor choke if necessary |
| OC5 | I x t Overload | Inverter thermal overload (I x t integration limit reached) | Continuous overload current; acceleration too fast; mechanical blockage on motor | Check machine load and mechanical blockage; check drive current sizing; check acceleration times |
| OU | Overvoltage DC Bus | DC bus voltage exceeded upper limit (>770 V DC) | Regenerative energy from motor during deceleration; deceleration ramp time too short; mains voltage too high | Increase deceleration time (C0013); install brake chopper / brake resistor; check line voltage |
| LU | Undervoltage DC Bus | DC bus voltage dropped below threshold (<285 V DC) | Mains supply failure; phase loss; input supply voltage too low; transient power drop | Check mains voltage and input fuses; check power supply wiring and line contacts |
| OH | Heatsink Overtemperature | Inverter heatsink temperature exceeds maximum allowed limit (>85 °C / 90 °C) | Insufficient cooling airflow; ambient temperature too high; fan defective or clogged heatsink fins | Clean heatsink fins; verify operation of internal cooling fan; check cabinet ventilation and ambient temperature |
| OH4 | Motor Overtemperature (PTC) | Motor temperature sensor trip (PTC / thermal contact activated) | Motor thermal overload; cooling fan failure on motor; incorrect PTC sensor wiring or setting | Allow motor to cool down; check motor load; verify motor PTC wiring and connection to drive terminals |
| OH7 | Internal Inverter Temperature | Internal temperature inside control module too high | Control cabinet temperature too high; enclosure airflow blocked | Check cabinet air circulation; reduce ambient enclosure temperature |
| LP | Mains Phase Failure | Loss of one mains input phase | Blown line input fuse; disconnected input line phase; asymmetric input mains voltage | Check line input supply, fuses, and connections |
| CE0 | Communication Error System Bus | System bus (CAN) communication trip / interruption | Bus cable broken or disconnected; baud rate mismatch; line termination resistor missing; CAN controller fault | Check CAN bus wiring and cable shielding; verify termination resistors (120 Ohm); check baud rate setting |
| CE1 | Communication Error Module Slot 1 | Communication failure with plug-in function / fieldbus module on Slot 1 | Plug-in module loose or defective; fieldbus network timeout; incorrect fieldbus configuration | Ensure option module is securely seated; check fieldbus connection and network configuration; inspect module contacts |
| CE2 | Communication Error Module Slot 2 | Communication failure with plug-in module on Slot 2 | Module loose, defective, or fieldbus timeout occurred | Check module seating and fieldbus network status |
| EE | EEPROM Memory Error | Internal parameter memory checksum / corruption error | Internal memory corrupt; intense electromagnetic interference during write; control board hardware failure | Internal fault — attempt parameter reset to factory default (C0002 = 1); if fault persists, control board hardware failed, replace unit or contact Lenze service |
| EER | EEPROM Read Error | Error reading data from internal non-volatile EEPROM memory | Internal EEPROM hardware fault or corrupt data sector | Internal fault — reset unit to default settings; if problem persists, return unit for repair or replace inverter |
| EEW | EEPROM Write Error | Error writing data to non-volatile memory | EEPROM write life exceeded or internal hardware failure | Internal hardware fault — replace the unit |
| H05 | Internal Hardware Error | Internal control board / power stage hardware fault detected during self-test | Control board hardware defect; internal power supply failure | Internal hardware fault — power cycle unit; if persistent, replace inverter unit or send for repair |
| NMAX | Speed Limit Exceeded | Motor actual speed exceeded maximum limit (C0596) | Inappropriate speed controller tuning; external driving load driving motor beyond limits | Check motor load and mechanical overspeed condition; verify encoder/feedback settings and speed controller parameter tuning |
| P12 | Parameter Set Error | Inconsistent parameter set detected during loading or initialization | Parameter set transfer interrupted or inconsistent parameter setting across sets | Reload complete parameter set via GDC or Keypad; reset drive to default factory settings (C0002) |
Frequently Asked Questions
How do I transfer parameters from an old Lenze 00423013 drive to a replacement unit?
Parameters can be transferred using the pluggable E82ZBC keypad module to save and copy configurations between drives, or via PC using Lenze Global Drive Control (GDC) software or Easy Starter to upload from the original unit and download to the replacement drive.
What fieldbus communication options are supported by the E82EV752_4B?
The drive includes an integrated CAN System Bus interface onboard. Additional fieldbus protocols can be integrated using plug-in function modules in the option slot, including PROFIBUS-DP (E82ZAFP), CANopen (E82ZAFC), DeviceNet (E82ZAFD), INTERBUS, and AS-Interface.
What causes an OU fault on the Lenze 8200 Vector drive?
An OU fault indicates DC bus overvoltage exceeding 770 V DC. This is typically caused by regenerative energy returned from the motor during deceleration, a deceleration ramp time (C0013) that is too short, or excessively high line input voltage.
What do the front panel LED indicators mean on the drive?
A solid green LED indicates an operational state with controller enable active. A flashing green LED indicates a controller inhibit state where the drive power is ready. A solid red LED indicates an active error or fault state.
What action should be taken if an EE, EER, or EEW error appears?
These codes indicate EEPROM memory checksum or read/write errors. While attempting a parameter reset to factory defaults via parameter code C0002 set to 1 may recover corrupted data sectors, persistent EE, EER, or EEW errors point to internal control board hardware failure requiring replacement or repair.
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