Lenze 00464756 EVF8242-E 8200 Vector Frequency Inverter 4.0 kW
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Product Information
The Lenze 00464756 (model EVF8242-E) is a 4.0 kW panel-mounted frequency inverter belonging to the 8200 vector product family. Designed for precise speed and torque regulation of three-phase AC motors, this drive operates across a 3-phase supply voltage range from 320 V to 550 V AC. It provides a rated output current of 9.5 A at 400 V with a peak dynamic load threshold supporting 150% overload (up to 14.3 A) for 60 seconds. Constructed in an IP20 enclosure, the unit features an integrated braking transistor for energy dissipation during deceleration, operates across an output frequency range of 0 to 480 Hz with an 8 kHz switching frequency, and generates 170 W of power dissipation at rated load.
Integrating the EVF8242-E into a control cabinet is streamlined by its modular hardware design, which includes a front slot for interchangeable plug-in function modules. These modules establish control terminal connections or link the inverter to fieldbus networks such as PROFIBUS DP (E82ZAFPC001), CANopen (E82ZAFCC001), DeviceNet, INTERBUS, or serial LECOM interfaces. Putting a replacement drive into operation requires parameter alignment, as the inverter relies on configured parameters stored within its non-volatile onboard EEPROM, which holds up to four independent parameter sets. Parameters can be backed up and transferred using either the XT Keypad EMZ2101BC or Lenze Global Drive Control (GDC) PC software. ABC Industrial Parts can assist in preparing replacement drives and transferring parameter profiles to reduce downtime during swap-outs.
Operational status and fault conditions are communicated through front panel LEDs and software diagnostics. A continuous green LED indicates mains supply presence and system readiness, while a flashing green LED shows that the drive is enabled and operating. A red LED illuminates or flashes during trip conditions. Detailed diagnostic routines, active fault codes, and historical records stored under parameter C0168 can be accessed via the XT Keypad or the GDC online monitoring window. Initial checks for common trips involve inspecting input phase line voltages, motor winding insulation, external braking resistor wiring, and cooling air passages. Unrecoverable trip events such as EEPROM errors (EER) or microcontroller failures (H05) indicate control board hardware faults that are not field-serviceable, making drive repair or a tested exchange unit from ABC Industrial Parts the quickest solution to restore production.
Technical Specifications
| Rated power | 4.0 kW |
| Supply voltage range | 320 - 550 V AC (3-phase) |
| Rated output current | 9.5 A |
| Maximum output current | 14.3 A (150% for 60 s) |
| Power loss | 170 W |
| Output frequency range | 0 - 480 Hz |
| Switching frequency | 8 kHz |
| Integrated braking chopper | Yes |
| IP rating | IP20 |
| Mounting type | Panel Mount |
Programming and Configuration
Parameterization and commissioning of the Lenze 00464756 EVF8242-E inverter are performed using either the plug-in Lenze XT Keypad EMZ2101BC or the PC-based Lenze Global Drive Control (GDC) software tool. The drive features non-volatile internal EEPROM memory capable of storing up to four complete, independent parameter sets. This capability supports multi-recipe machinery configurations and simplifies routine backup routines.
When commissioning a spare unit, matching parameter configurations is critical to achieving proper motor control, I/O mapping, and fieldbus communication settings. Utilizing GDC software allows technicians to save drive configuration files directly to a PC, monitor operational signals via an online oscilloscope window, and upload stored parameter sets into new units. Diagnostic logs and past fault events are maintained inside parameter memory location C0168 for rapid verification during setup.
Communication and System Integration
The modular physical architecture of the Lenze 8200 vector series utilizes plug-in function modules to interface with industrial control networks. The base power unit EVF8242-E accommodates modular communication interfaces directly on the front slot, enabling integration into centralized automation environments.
Supported network interfaces include CANopen via module E82ZAFCC001 and PROFIBUS-DP via module E82ZAFPC001. Additional compatible interfaces include DeviceNet, INTERBUS, and serial LECOM communication modules. These modules handle fieldbus protocol mapping, cyclic data exchange, and control word processing without requiring hardware alterations to the power stage.
Diagnostics and Status Indication
The EVF8242-E drive incorporates dual LED status indicators located on the front interface to provide real-time operating feedback and alert users to operational faults. Optical signals indicate power availability, active motor run conditions, and active trip statuses.
Comprehensive diagnostic routines can be conducted using the XT Keypad EMZ2101BC or through the online monitoring and oscilloscope windows of Lenze Global Drive Control (GDC) software. Fault history records are retained under parameter code C0168, allowing maintenance technicians to analyze root causes and dynamic fault conditions.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready (Green) | Green - Solid / Flashing | Solid green indicates powered and ready for operation; flashing green indicates drive enabled and running. |
| Fault / Red LED | Red - Solid / Flashing | Flashing or solid red indicates active trip or fault. Continuous red combined with EEPROM (EER) or Hardware fault (H05) indicates internal control board failure. |
Replacement and Spare Part Considerations
When swapping out a faulty Lenze 00464756 EVF8242-E inverter, selecting an exact replacement matching part number and model designation ensures mechanical and electrical drop-in compatibility. The panel-mount footprint, 320–550 V AC input range, and 4.0 kW / 9.5 A ratings allow direct replacement without mechanical panel modification.
Prior to powering up the spare drive, transfer any installed option modules, such as the CANopen E82ZAFCC001 or PROFIBUS E82ZAFPC001 cards, from the original unit. Ensure all parameter settings are copied to the new inverter via the XT Keypad EMZ2101BC or Lenze Global Drive Control software, as factory default parameters will not match specific motor characteristics or fieldbus addresses.
For modernizing legacy equipment, the Lenze i550 cabinet frequency inverter series serves as the manufacturer's recommended successor line. However, direct replacement with an original 8200 vector EVF8242-E unit remains the fastest solution to avoid redesigning control schemes, altering wiring schedules, or updating PLC software.
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 | Output current exceeded peak limit during acceleration or steady state. | Short circuit or earth fault on motor cable, acceleration time set too short, motor incorrectly sized. | Check motor and motor cables for short circuit or grounding. Increase acceleration time. |
| OC2 | Earth fault | Ground fault detected on inverter output side. | Earth fault in motor windings or motor cable, excessive line capacitance on motor lead. | Check motor winding insulation and motor cable for ground fault. |
| OC5 | I x t overload | Continuous current load over time exceeded inverter capability. | Drive oversized for motor or drive overloaded beyond continuous rating for long duration. | Check mechanical load for binding, reduce duty cycle or select larger drive model. |
| OU | Overvoltage DC bus | DC bus voltage exceeded safe operating limit. | Regenerative energy from motor during deceleration, deceleration time set too short, braking chopper or braking resistor disconnected or faulty. | Increase deceleration time, install or inspect external braking resistor and braking transistor module. |
| LU | Undervoltage DC bus | DC bus voltage dropped below minimum operating limit. | Mains supply failure, voltage drop under load, phase loss on input power. | Check AC line supply voltage and fuses. Check input power connections. |
| OH | Overtemperature heatsink | Inverter heatsink temperature exceeded allowable thermal threshold. | Fan failure, blocked cooling air passages, excessive ambient temperature, high switching frequency setting. | Clean heatsink, verify fan functionality, lower ambient temperature or reduce switching frequency. |
| OH4 | Motor thermal overload | Motor PTC / thermal contact triggered trip. | Motor overheating due to continuous low-speed operation without forced cooling, mechanical overload. | Allow motor to cool, verify cooling fan on motor, check mechanical load. |
| LP1 | Mains phase failure | Failure or unbalance detected in input mains phase. | One input mains phase lost or severely asymmetric voltage on mains supply. | Check input fuses, line wiring, and incoming AC power system balance. |
| EER | EEPROM memory fault | Internal EEPROM memory read or write error. | Internal memory corrupt or hardware failure. | Re-initialize parameters to factory default. If error persists, internal hardware fault present — return unit for repair. |
| H05 | Internal hardware fault | Internal micro-controller or hardware control circuit failure. | Internal component failure or power supply unit corruption inside drive control board. | Internal hardware fault — unit is not field-serviceable; return unit for repair or replace unit. |
| NMAX | Maximum speed limit exceeded | Motor speed exceeded max configured speed threshold. | Incorrect motor parameter setup or runaway load in vector control mode. | Verify encoder feedback / motor parameter settings and speed limit parameter settings. |
| P12 | System bus fault / CAN timeout | Communication lost on System Bus / CAN module. | Bus cable broken, improper termination resistor, master device offline. | Inspect bus wiring, check bus termination resistors, verify master controller status. |
Frequently Asked Questions
What software is used to configure the Lenze 00464756 EVF8242-E drive?
The inverter is configured using Lenze Global Drive Control (GDC) software on a PC, or manually via the plug-in Lenze XT Keypad EMZ2101BC.
Can I replace an EVF8242-E drive directly without reprogramming?
No, a replacement drive contains default factory parameters. You must transfer the parameter set from the original unit using the XT Keypad EMZ2101BC or GDC software to ensure proper motor and network operation.
Which fieldbus modules are supported by the EVF8242-E inverter?
The unit supports plug-in communication modules including CANopen (E82ZAFCC001), PROFIBUS-DP (E82ZAFPC001), DeviceNet, INTERBUS, and serial LECOM modules.
What does a fault code H05 or EER indicate on the inverter?
Code H05 indicates an internal hardware/microcontroller fault, while EER indicates an EEPROM memory read/write error. If resetting parameters to defaults does not clear an EER fault, internal control board failure is present and the unit requires repair or replacement.
Does the Lenze EVF8242-E include a built-in braking chopper?
Yes, the EVF8242-E inverter includes an integrated braking transistor, allowing direct connection of an external braking resistor for dynamic deceleration.
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