Lenze 00395467 EVF8244-E 8200 Vector Frequency Inverter
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Product Information
The Lenze 00395467 EVF8244-E is an 11 kW frequency inverter from the 8200 Vector product family, engineered for precise speed and torque regulation of standard three-phase AC asynchronous motors. Designed for panel-mounted cabinet installation, this drive operates on a 3-phase supply voltage ranging from 320 V AC to 550 V AC and supplies up to 23.5 A of continuous rated output current. It supports both classic V/f characteristic curve control and sensorless vector control methods, making it suitable for applications across material handling, conveyor belt systems, variable-speed pumps and fans, as well as automotive manufacturing lines. Delivering up to 150% overload capacity (35.3 A) for 60 seconds, the unit effectively accommodates initial start-up surges and sudden mechanical load spikes.
Integrating the EVF8244-E into a machine environment relies on its modular architecture featuring dual multi-pin interface slots for plug-in modules. The inverter accepts standard I/O interface units such as the Lenze EMF2121IB as well as fieldbus modules including the EMF2171IB CANopen module and EMF2133IB PROFIBUS-DP adapter. Commissioning a replacement unit requires backing up and restoring the operational parameters. The drive features an internal EEPROM capable of storing up to four complete parameter sets. Drive setup, parameter extraction, and cloning between units can be executed using the plug-in EMZ8201BB keypad module or Lenze Global Drive Control (GDC) software. Ensuring that parameter configurations, motor ratings, acceleration times, and fieldbus node settings match the original drive configuration is critical before restoring full system operation. ABC Industrial Parts can support maintenance teams with tested replacement drives and hardware preparation.
System operational state and fault detection are displayed via two front-panel LED indicators. The green DRIVE READY LED flashes when power is applied and operation is inhibited, and remains continuous when the drive is enabled and running. The red DRIVE FAULT LED remains off during normal operation, flashes when a warning or pulse inhibit is active, and turns continuous upon a TRIP fault. Detailed diagnostic analysis is available by reading fault codes via the EMZ8201BB keypad or reviewing fault history memory parameters C0161 through C0164 in GDC software. First-line troubleshooting for trip events like mains phase failure or overvoltage includes checking input fuses, mains terminals L1 through L3, and DC bus levels. When internal hardware errors or EEPROM failures occur, component-level faults are not field-serviceable, and sourcing a fully tested replacement drive through ABC Industrial Parts provides a fast route to minimizing downtime.
Technical Specifications
| Rated Power | 11 kW |
| Supply Voltage Range | 320 - 550 V AC |
| Rated Output Current | 23.5 A |
| Maximum Output Current | 35.3 A (150% for 60s) |
| Output Voltage Range | 0 - 480 V AC |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Power Dissipation | 380 W |
| Control Method | V/f characteristic control, Sensorless vector control |
Programming and Configuration
Drive setup and parameter management for the Lenze 00395467 EVF8244-E inverter are performed using Lenze Global Drive Control (GDC) software or the detachable EMZ8201BB keypad module. The inverter features an integrated non-volatile EEPROM memory capable of holding up to four independent parameter sets, allowing multi-process switching without reconfiguring hardware. Key system parameters include acceleration time (C0012), deceleration time (C0013), and maximum motor speed limit (C0032).
During commissioning or unit swap, drive settings can be transferred directly between devices using the EMZ8201BB keypad module for cloning or uploaded/downloaded via GDC software over a serial communication link. If standard parameters need to be restored, setting parameter C0002 to 1 reloads factory default settings, providing a verified baseline before custom application parameters are written.
Communication and System Integration
The EVF8244-E 8200 Vector inverter utilizes a flexible modular interface strategy with dual multi-pin slots designed for plug-in expansion modules. System integration into automated industrial networks is accomplished by selecting the appropriate communication board, such as the EMF2171IB module for CANopen system bus networking or the EMF2133IB module for PROFIBUS-DP protocols. The drive also supports INTERBUS and RS-232 serial interface modules.
For localized hardwired control, the drive integrates with the EMF2121IB Standard I/O module to interface digital and analog signals with central controllers or manual operators. Proper module seating and terminal connection verification are required during installation, as any interruption in module communication triggers a dedicated CE0 fault code on the inverter.
Diagnostics and Status Indication
Operational conditions and system alarms on the EVF8244-E are indicated visually through front-panel LEDs and numerically through fault code registers. Real-time diagnostic monitoring can be carried out using Global Drive Control (GDC) software or by attaching the EMZ8201BB keypad. Historical fault records are preserved in internal parameters C0161 through C0164, enabling technicians to inspect past TRIP events and identify recurring operational issues.
Visual diagnostic status is continuously reported by two dedicated status LEDs. The green DRIVE READY LED indicates power status and operational authorization, while the red DRIVE FAULT LED indicates active warnings, pulse inhibits, or TRIP fault conditions that shut down power output.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE READY | Green - Flashing / Continuous | Flashing: Drive ready / power on, operation inhibited. Continuous light: Drive enabled / running. |
| DRIVE FAULT | Red - Off / Flashing / Continuous | Off: Normal operation. Flashing: Warning or pulse inhibit active. Continuous light: TRIP fault active. |
Replacement and Spare Part Considerations
Replacing a defective Lenze 00395467 EVF8244-E drive requires matching both the hardware specifications and the parameter configuration of the existing unit. The replacement drive must be rated for the same 11 kW output and 320–550 V AC supply range. Because parameter configurations dictate motor thermal settings, ramp rates, and control modes, replacing a unit without transferring parameter data can result in incorrect motor performance or immediate trip conditions.
Parameter sets saved in the internal EEPROM of the existing drive should be backed up using GDC software or saved into an EMZ8201BB keypad module before removing the faulty unit. Once the physical replacement drive is installed and wired, the saved parameter profile can be loaded into the replacement unit. Additionally, removable communication and standard I/O modules, such as the EMF2121IB, EMF2133IB, or EMF2171IB, must be transferred to the replacement drive to ensure seamless fieldbus and network connectivity.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OC1 | Overcurrent during acceleration | Output current exceeds threshold limit during acceleration phase. | Acceleration time set too short; motor cable short circuit; earth fault; incorrect motor data. | Increase acceleration time (C0012); check motor cable and insulation; check motor parameters. |
| OC2 | Overcurrent during deceleration | Output current exceeds threshold limit during deceleration phase. | Deceleration time set too short; motor cable short circuit to earth. | Increase deceleration time (C0013); check motor wiring and insulation. |
| OC5 | Overcurrent during constant operation | Output current exceeds maximum limit during steady-state operation. | Sudden load surge; mechanical blockage; motor cable defect. | Check mechanical load for jam or binding; inspect motor and cabling. |
| OOH | Heatsink overtemperature | Drive heatsink temperature has exceeded the permissible thermal limit (> 90 °C). | Insufficient cooling airflow; fan defect; ambient temperature too high; clogged cooling fins. | Clean heat sink fins; check enclosure fan functioning; improve cabinet ventilation. |
| OH | Motor overtemperature | Motor thermal sensor connected to drive terminals T1/T2 triggered. | Motor overloaded; motor cooling fan failure; PTC thermistor tripped. | Allow motor to cool down; check motor load and forced-ventilation fan. |
| OU | DC bus overvoltage | Intermediate circuit DC bus voltage exceeded maximum threshold (> 770 V DC). | Regenerative energy from motor during deceleration too high; braking chopper or resistor not connected/defective; deceleration time too short. | Increase deceleration time; connect braking chopper and brake resistor; check mains supply voltage. |
| LU | DC bus undervoltage | Intermediate DC bus voltage dropped below minimum threshold (< 435 V DC for 400V devices). | Mains supply failure; phase loss; supply voltage too low. | Check mains voltage; check line fuses and main contactor. |
| LP1 | Mains phase failure | One phase of the 3-phase AC mains supply is missing. | Blown input line fuse; loose wire at mains terminals L1, L2, L3; unbalance in mains power network. | Check line fuses, supply voltage on all 3 input phases, and terminal wiring. |
| EEr | EEPROM memory error | Internal EEPROM parameter memory error during read/write access. | Internal memory corruption or hardware component failure. | Reload factory default settings (C0002 = 1); power cycle drive. If problem persists, internal hardware fault — return unit for repair or replace unit. |
| H05 | Hardware fault | Internal drive hardware fault detected by internal diagnostics. | Defective power section, internal control board fault, or internal supply fault. | Internal hardware fault — not field-serviceable. Return unit for repair or replace the drive. |
| CE0 | Communication fault | Communication interruption between drive and plug-in function/fieldbus module. | Loose module; fieldbus cable disconnection; network master stopped. | Check plug-in module insertion; check fieldbus connection and bus cable. |
| NMAX | Overspeed limit | Motor speed exceeded maximum limit (parameter C0032). | Incorrect speed controller setup; excessive external overhauling load. | Check motor encoder / speed feedback settings and load mechanics. |
Frequently Asked Questions
How do I clone parameters from a faulty Lenze EVF8244-E to a replacement drive?
Parameters can be extracted using the plug-in EMZ8201BB keypad module or Lenze Global Drive Control (GDC) software. The stored parameter profile from the internal EEPROM is then downloaded directly into the replacement EVF8244-E drive.
Which fieldbus modules are compatible with the Lenze 00395467 frequency inverter?
The EVF8244-E supports plug-in modules including the EMF2171IB CANopen system bus module, EMF2133IB PROFIBUS-DP module, INTERBUS modules, and RS-232 serial interface options.
What causes an OOH fault code on the EVF8244-E drive?
An OOH fault indicates heatsink overtemperature exceeding 90 °C. Common causes include insufficient cooling airflow, blocked heatsink fins, elevated ambient enclosure temperature, or a failed cooling fan.
How can I restore default factory settings on the EVF8244-E inverter?
Factory default settings are reloaded by setting parameter C0002 to 1 via the EMZ8201BB keypad module or Global Drive Control (GDC) software, followed by a power cycle.
What do the EEr and H05 error codes indicate?
EEr indicates an internal EEPROM read/write memory failure, while H05 indicates an internal drive hardware fault. If power cycling and reloading defaults (C0002 = 1) do not resolve an EEr fault, or if H05 occurs, the issue is an internal hardware fault that requires unit repair or replacement.
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Specific firmware and hardware versions
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