Lenze EVF8243-E 8200 Vector Frequency Inverter 1.5 kW 2 HP
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Product Information
The Lenze EVF8243-E is a 1.5 kW (2 HP) panel-mount frequency inverter belonging to the Lenze 8200 Vector product family. Operating on a 3-phase supply voltage range of 320 V AC to 528 V AC across 400 V and 480 V systems, this drive outputs 3.9 A at 400 V and 3.4 A at 480 V. Built within an IP20-rated enclosure, it delivers reliable motor speed and torque regulation for three-phase asynchronous motors in conveyor belts, pumps, fans, packaging machinery, and material handling systems. The unit provides high-torque output up to 480 Hz using either linear/quadratic V/f characteristic control or sensorless vector control.
Integrating a spare drive into an established panel requires matching physical connections and transferring configuration data. The EVF8243-E features a modular split architecture with pluggable function slots that accept option modules for PROFIBUS-DP, CANopen, Interbus, and RS232/RS485 LECOM fieldbus interfaces. Onboard terminal connectivity includes four digital inputs, one analog input, and one digital output. Commissioning a replacement unit involves transferring parameters using the Keypad XT (EMF2102IB) operator panel or Global Drive Control (GDC) engineering software. Because the inverter stores four independent internal parameter sets, a replacement unit must be configured with the correct parameter profile before operational start. ABC Industrial Parts can assist maintenance personnel with parameter extraction and drive preparation during equipment service.
Drive status and operating conditions are displayed through front-mounted LED indicators, including a green LED for power and operational state and a red LED indicating warnings or active fault trips. Technical diagnostics can be evaluated using parameter code C0161 for active fault codes and code C0168 to review historical error logs. Typical drive faults include DC bus overvoltage (OU), heatsink overtemperature (OH), and I x t current overload (OC5). If short circuit faults (OC1) or internal microprocessor errors (H05) persist with the motor wiring disconnected, internal hardware damage is present. When component-level board failure occurs, obtaining a tested exchange unit or utilizing professional repair options through ABC Industrial Parts provides a direct method to minimize production downtime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVF8243-E |
| Model / Type | EVF8243-E |
| Product Family | 8200 |
| Series | 8200 Vector |
| Component Type | Frequency Inverter |
| Rated Power (kW) | 1.5 kW |
| Rated Power (HP) | 2 HP |
| Supply Voltage Range | 320 - 528 V AC |
| Output Current at 400V | 3.9 A |
| Output Current at 480V | 3.4 A |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Control Modes | Sensorless Vector Control, V/f Characteristic Control |
| Enclosure Rating | IP20 |
| Mounting Type | Panel Mount |
| I/O Terminals | 4 Digital Inputs, 1 Analog Input, 1 Digital Output |
| Optional Fieldbus Interfaces | CANopen, PROFIBUS-DP, LECOM, Interbus |
Programming and Configuration
Parameterization of the Lenze EVF8243-E frequency inverter is performed either through the detachable Keypad XT (EMF2102IB) operator module or via PC-based Global Drive Control (GDC) software. Connection to a PC running GDC requires an attached LECOM communication module supporting RS232 or RS485 serial interfaces. GDC provides comprehensive parameter adjustment, real-time diagnostic plotting, and parameter file backup capabilities.
The internal memory architecture supports up to four independent parameter sets. This capability allows four distinct operational profiles to be stored directly on the drive for flexible machine switching. When reconfiguring or recovering a unit, factory default parameter settings can be restored by executing code C0002.
Communication and System Integration
The EVF8243-E utilizes a modular split concept featuring pluggable function slots on the drive base. Fieldbus protocols are established by inserting the appropriate option module into the unit, supporting network architectures such as PROFIBUS-DP, CANopen, Interbus, or LECOM.
Hardwired terminal interfaces consist of four digital inputs, one analog input, and one digital output for direct integration with field sensors and master PLC controllers. In the event of a communication breakdown between the base power stage and an attached option module, the drive flags fault code CE0, requiring inspection of module seating, plug contacts, and fieldbus shield grounding.
Diagnostics and Status Indication
Visual status indication on the drive housing is provided by two LEDs. Advanced diagnostic evaluation is available through parameter code C0161, which displays the active fault code, and code C0168, which logs historic fault sequences for fault tracking.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED | Green - Solid / Flashing | Indicates drive operational state and power status |
| Red LED | Red - Solid / Flashing | Indicates active fault state or warning status |
Replacement and Spare Part Considerations
When installing a replacement EVF8243-E inverter, verify that the power rating (1.5 kW / 2 HP) and supply voltage tolerance (320-528 V AC) match the existing machine configuration. The communication module from the original drive can be removed and plugged directly into the spare unit to retain fieldbus cable connections.
Commissioning a replacement requires transferring parameter sets using Global Drive Control (GDC) software or the pluggable Keypad XT panel. Because the manufacturer has discontinued the 8200 Vector series, exact replacement drives remain available as maintained spare stock, while the Lenze i550 series serves as the recommended platform for long-term machine upgrades.
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 or earth fault during operation. | Short circuit in motor cable or motor winding; ground fault. | Check motor cabling and motor insulation. Inspect for internal power stage short circuit. If fault persists with motor disconnected, internal hardware damage exists requiring repair. |
| OC2 | Earth Fault | Earth/ground fault detected at inverter output. | Ground fault in motor lead or motor winding; excessive cable capacitance. | Measure motor insulation resistance; check cable length and grounding. |
| OC5 | I x t Overload | Continuous overload or acceleration load exceeded current limit. | Acceleration time too short, mechanical stall, incorrect motor parameter setup. | Extend acceleration ramp time; check load torque and mechanical binding. |
| OH | Heatsink Overtemperature | Heatsink temperature exceeded upper safety limit. | Ambient temperature too high, cooling fan failure, dirty heatsink fins, insufficient clearance. | Clean heatsink, ensure adequate cabinet ventilation, verify fan function. |
| OH4 | Motor Overtemperature (PTC) | Motor thermistor/PTC input triggered overtemperature warning/trip. | Motor overload, insufficient motor cooling, PTC wiring open. | Allow motor to cool; check process load; verify PTC wiring. |
| OU | DC Bus Overvoltage | DC bus voltage exceeded upper limit. | Deceleration time too short, motor regenerated energy without brake chopper/resistor. | Extend deceleration time, enable DC bus voltage controller (Vdc_max), or install brake module. |
| LU | DC Bus Undervoltage | DC bus voltage dropped below minimum threshold. | Mains supply voltage drop, phase loss, power supply interruption. | Check incoming mains voltage supply and input fuses. |
| EEr | EEPROM Error | Internal EEPROM memory read or write failure. | Data corruption during parameter save, non-volatile memory hardware failure. | Reload factory default settings (C0002). If fault recurs, replace drive unit. |
| PEr | Parameter Error | Inconsistent parameter structure detected. | Incomplete transfer or invalid parameter combinations. | Restore factory parameters or reload configuration file. |
| CE0 | Communication Fault (Module) | Communication breakdown between inverter and attached option module. | Loose function module plug connection, option card failure, noise interference. | Reseat module, verify grounding, replace function module. |
| H05 | Internal Fault | Internal microcontroller or control board error. | Hardware failure inside the drive module. | Internal hardware fault; return unit for repair or replace inverter. |
Frequently Asked Questions
What tools are needed to configure parameters on the Lenze EVF8243-E?
The drive can be configured manually using the Keypad XT (EMF2102IB) operator panel or via PC using Lenze Global Drive Control (GDC) software with a LECOM communication module.
How do I transfer drive settings to a replacement EVF8243-E drive?
Drive parameters stored across the four parameter sets can be uploaded to GDC software or saved to a Keypad XT panel and subsequently downloaded into the replacement inverter.
What does fault code OC1 indicate on the EVF8243-E inverter?
Fault OC1 indicates a short circuit at the motor terminals or a ground fault. If OC1 persists after disconnecting the motor leads, an internal power stage failure is present.
Which fieldbus networks does the Lenze EVF8243-E support?
The drive supports PROFIBUS-DP, CANopen, Interbus, and RS232/RS485 LECOM communication networks via pluggable option modules.
What is the recommended replacement series for discontinued Lenze 8200 Vector drives?
Identical EVF8243-E spare units can be used for direct replacement, while the Lenze i550 series is recommended as the successor series for full system modernizations.
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