Lenze EVF8246-E 8200 Vector Frequency Inverter 11 kW
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Product Information
The Lenze EVF8246-E is an 11 kW variable speed drive from the 8200 Vector frequency inverter family, designed for precise dynamic speed regulation and torque control of three-phase AC motors. Operating across an input voltage range of 320 V AC to 528 V AC at 3-phase, this IP20-rated frequency inverter provides a continuous output current of 23.5 A at 400 V or 19.6 A at 480 V, with an acceleration overload capability of 150% for up to 60 seconds (35.2 A peak output current). Equipped with both V/f characteristic control and high-performance sensorless vector control modes, the unit supports selectable switching frequencies up to 16 kHz and an output frequency range from 0 to 480 Hz. The integrated Class A/B noise suppression filter, indicated by the -E suffix, suppresses high-frequency electrical interference without requiring extra panel footprint.
System connectivity and commissioning on the EVF8246-E center on Lenze's modular Automation Interface (AIF) slot, which accepts optional keypads like the EMZ8201BB or fieldbus communication adapters including PROFIBUS-DP (EMF2133IB) and CANopen (EMF2171IB / EMF2172IB). Replacing a failed drive is simplified through the plug-in Electronic Programmable Module (EPM), which houses all application parameters and allows hardware swapping without requiring external engineering software or specialized wiring setups. When deeper system access or parameter extraction is required, Lenze Global Drive Control (GDC) PC software connects directly to the drive. Expert support from ABC Industrial Parts can assist maintenance teams in sourcing pre-configured replacement units, transferring parameter sets, or integrating fieldbus modules into existing control panels.
Onboard diagnostic feedback is provided through dedicated front-panel LEDs indicating TRIP / FAULT status, drive READY state, and RUN activity. Diagnostic parameters such as C0161 and C0168 preserve fault history buffers to identify conditions including DC bus overvoltage (OE), undervoltage (UE), motor/heatsink thermal trips (OH, OH4), or phase loss (LP). While parameters like acceleration ramps (C0012) or deceleration times (C0013) can be calibrated in the field, severe faults such as internal hardware error H05 indicate power section or control board failures that are not field-serviceable. In these instances, rapid component exchange or fully tested repair services through ABC Industrial Parts provide a reliable path to restoring production uptime.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | EVF8246-E |
| Model / Type | 8200 Vector Frequency Inverter |
| Product Family | 8200 Series |
| Rated Motor Power | 11 kW |
| Supply Voltage Range | 320 - 528 V AC (3-Phase) |
| Input Current | 23 A |
| Continuous Output Current (400V) | 23.5 A |
| Continuous Output Current (480V) | 19.6 A |
| Peak Output Current (150% Overload) | 35.2 A |
| Switching Frequency | 8 kHz (Selectable up to 16 kHz) |
| Output Frequency Range | 0 - 480 Hz |
| Control Modes | V/f Characteristic Control, Sensorless Vector Control |
| Enclosure Protection Rating | IP20 |
| EMC Suppression | Integrated Class A/B Noise Filter |
| Interface Expansion | Automation Interface (AIF) Slot |
Programming and Configuration
Configuration of the Lenze EVF8246-E can be executed through the EMZ8201BB plug-in keypad module or via a PC running Lenze Global Drive Control (GDC) software. The drive utilizes an Electronic Programmable Module (EPM), a removable chip that stores the complete parameter setup. Because the EPM holds all application settings, commissioning a replacement unit does not require re-keying parameters or re-running auto-tuning procedures; inserting the original EPM chip into the new drive transfers all operational data instantly.
Key drive parameters govern motion profiles, motor protection, and fieldbus communication settings. Acceleration time is defined in parameter C0012, while deceleration time is controlled via C0013. When tuning dynamic loads or adjusting motor characteristics, parameters can be modified live through the GDC software interface, which provides clear visualization of active parameter groups, motor terminal values, and parameter lock settings.
In addition to manual parameter editing, the drive maintains dedicated diagnostic codes in memory. Parameter C0161 holds the active fault code, while parameter C0168 stores the historical trip buffer. System back-ups and parameter sets can be uploaded and archived on a PC using GDC, ensuring quick recovery if an EPM chip becomes corrupted or lost during routine maintenance.
Communication and System Integration
The EVF8246-E integrates into centralized control networks via its modular Automation Interface (AIF) slot located on the front of the drive unit. By selecting the appropriate plug-in module, the drive can interface with various fieldbus networks or industrial communication standards without requiring external gateway hardware.
Supported communication cards include the EMF2133IB PROFIBUS-DP module, as well as the EMF2171IB and EMF2172IB CANopen modules. Serial protocols such as LECOM are also supported via dedicated interface adapters. The AIF module establishes direct cyclic data exchange with the main drive processor, passing control words, frequency setpoints, status flags, and actual motor output values back to the host PLC.
When installing or swapping AIF communication modules, hardware addresses or baud rates may be set via mechanical rotary switches or dip switches on the option card, depending on the module model. Interrupted communication between the base unit and the inserted card triggers fault code CE0, signaling a loose physical connection, cable breakdown, or a watchdog timeout.
Diagnostics and Status Indication
Real-time visual monitoring on the Lenze EVF8246-E is provided by three primary status LEDs located on the front panel. These LEDs immediately communicate operating state, readiness, and active trip conditions to maintenance personnel without requiring an connected keypad or diagnostic tool.
Detailed diagnostics are accessible by querying internal fault codes through the EMZ8201BB operating keypad or via the real-time diagnostic window in Lenze Global Drive Control (GDC) PC software. A programmable relay output can also be wired to an external indicator or PLC digital input to trip remote alarm circuits upon drive fault conditions.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| TRIP / FAULT | Red - Solid | Fault condition present |
| READY | Green - Solid | Drive operational / ready for operation |
| RUN | Green - Flashing | Drive enabled and running |
Replacement and Spare Part Considerations
When replacing an existing Lenze EVF8246-E, ensure that the incoming three-phase mains supply voltage matched the 320V to 528V rating and that the motor power requirements do not exceed 11 kW. Verifying the -E suffix is critical if the panel layout relies on the internal EMC filter for noise compliance; installing a non-E variant may introduce radio frequency interference into surrounding control circuits.
During drive replacement, transfer the plug-in EPM memory module and the Automation Interface (AIF) module from the old inverter to the spare unit. This transfers parameter configurations and network settings instantly without requiring re-commissioning. Always ensure control power is completely disconnected before removing or inserting the EPM or AIF modules.
For modernizing control panels or replacing legacy installations where original 8200 Vector hardware is being migrated, Lenze recommends moving to the Lenze i550 cabinet frequency inverter platform. When upgrading across series platforms, parameters must be mapped using modern Lenze engineering tools, as EPM hardware is not cross-compatible between 8200 Vector and i500 drive families.
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 / Overcurrent | Short circuit or extreme overcurrent detected during acceleration. | Motor cable short circuit, earth fault, acceleration time set too short, motor improperly sized. | Check motor wiring and motor insulation. Increase acceleration time (C0012). Check motor data. |
| OC2 | Overcurrent during Deceleration | Excessive output current detected during motor deceleration. | Deceleration time set too short, brake chopper not connected or defective. | Increase deceleration time (C0013). Check braking resistor connection. |
| OC5 | Overcurrent during Constant Operation | Overcurrent detected while operating at constant speed. | Sudden mechanical load peak, motor parameter mismatch, short circuit in motor cable. | Check mechanical load for jam/obstruction. Verify motor parameter setup. |
| OE | DC Bus Overvoltage | DC bus voltage exceeds upper threshold limit. | Regenerative energy from motor during deceleration too high, mains supply voltage too high, deceleration time too short. | Extend deceleration time, install or check braking module / braking resistor. |
| UE | DC Bus Undervoltage | DC bus voltage dropped below minimum operating limit. | Mains supply failure, supply voltage too low, phase failure, mains input fuse blown. | Check supply voltage lines, fuses, and main contactor switch. |
| OH | Heatsink Overtemperature | Drive heatsink temperature has exceeded maximum safe operating temperature. | Insufficient cooling, ambient temperature too high, cooling fan damaged or clogged, dirty heatsink fins. | Clean heatsink fins, check internal fan operation, improve panel ventilation/cooling. |
| OH4 | Motor Overtemperature | Motor temperature sensor (PTC/TK) connected to drive terminals triggered thermal fault. | Motor overloaded, motor cooling fan failed, thermal sensor trip threshold reached. | Allow motor to cool down, check mechanical load and motor cooling fan. |
| OL1 | Inverter Overload (Ixt) | Drive has been operated above rated current limit for too long. | Continuous overload, acceleration load too high, motor misconfigured. | Reduce mechanical load on motor, check duty cycle and drive rating. |
| OL2 | Motor Overload (I2t) | Calculated motor load threshold (I2t thermal monitoring) exceeded. | Motor operated at low speed with high continuous torque without forced cooling. | Check motor sizing, reduce load or add external motor forced cooling fan. |
| CE0 | Communication Error AIF Slot | Interrupted communication between drive base unit and plugged-in AIF module. | Loose module, defective module, bad connection or fieldbus cable fault. | Check module seating, verify fieldbus wiring, check communication watchdog timer. |
| LP | Mains Phase Failure | One of the input supply phases is missing. | Blown main fuse, loose supply wiring, severe phase voltage asymmetry. | Check 3-phase mains supply voltage and incoming fuses. |
| EER | EEPROM / EPM Memory Error | Internal EEPROM or plug-in EPM module data corruption / checksum error. | EPM module corrupt or missing, power interruption during parameter write, hardware failure. | Re-insert or replace EPM module. Reload default parameter settings. If fault persists, return unit for repair. |
| H05 | Internal Hardware Error | Internal control hardware failure detected during self-test. | Defective internal power board, control card, or internal supply voltage error. | Internal hardware fault — non field-serviceable. Return drive for repair or replace the unit. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze EVF8246-E drive?
Parameters can be transferred instantly by powering down the drive and swapping the removable Electronic Programmable Module (EPM) chip from the original unit to the replacement unit. Alternatively, parameter sets can be downloaded and uploaded using a PC running Lenze Global Drive Control (GDC) software.
What does the -E suffix signify in the EVF8246-E part number?
The -E suffix indicates that the frequency inverter includes an integrated Class A/B noise suppression EMC filter, eliminating the need for an external line filter in standard industrial cabinet installations.
What communication interfaces are supported on the EVF8246-E?
The EVF8246-E features an Automation Interface (AIF) slot that supports plug-in cards for PROFIBUS-DP (EMF2133IB), CANopen (EMF2171IB / EMF2172IB), and LECOM serial protocols, as well as the EMZ8201BB operating keypad.
What should be done if the drive displays fault code H05?
Fault code H05 indicates an internal control hardware or power board failure detected during self-testing. This condition cannot be serviced in the field; the drive unit must be sent for professional repair or replaced with a tested spare unit.
What is the recommended modern upgrade path for the Lenze 8200 Vector series?
The recommended modern migration path for the Lenze 8200 Vector series is the Lenze i550 cabinet frequency inverter range.
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