Lenze 00386350 EVF8101-A – Drive 8100 Frequency Inverter 0.37kW
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Product Information
The Lenze 00386350 EVF8101-A is a compact frequency inverter from the Lenze 8100 series, engineered for precise variable speed control of standard three-phase AC induction motors up to 0.37 kW (0.5 HP). Operating from a single-phase 230 V AC supply across an input range of 180 V to 264 V AC, this AC drive converts mains power into a controlled three-phase output delivering up to 2.4 A continuous current over an output frequency range of 0 to 480 Hz. Designed in an IP20 enclosure, the inverter utilizes standard V/f characteristic control with adjustable switching carrier frequencies of 4 kHz, 8 kHz, or 16 kHz, allowing motor dynamics to be optimized while reducing acoustic motor noise in noise-sensitive applications such as small conveyor belts, pumps, fans, and packaging machinery.
Connecting and parameterizing the drive is accomplished through standard screw terminals providing built-in 24 V DC control logic for start, stop, direction reversal, and fixed setpoint selections, alongside configurable analog inputs supporting 0–10 V, 0–20 mA, or 4–20 mA signals. A changeover fault relay on terminals 28/29 enables operational status signaling to central controllers, while a front expansion slot accommodates either the Lenze 2102 IB operating keypad or LECOM RS232/RS485 communication adapters. Commissioning a replacement spare unit requires transferring the parameter configuration stored in the drive's non-volatile EEPROM memory. Parameters can be backed up and downloaded using Lenze Global Drive Control (GDC) software or copied via the 2102 IB keypad module, with ABC Industrial Parts available to assist with configuration transfer and donor unit backup when necessary.
Diagnostic conditions are indicated directly on the front panel by status LEDs, including a red TRIP LED for drive fault conditions and a green READY / IMP LED indicating drive readiness or pulse inhibit status. Detailed fault diagnosis is accessible by displaying error codes on the 2102 IB keypad, evaluating the changeover fault relay contact status, or monitoring parameters through the GDC software diagnostic window via a LECOM interface adapter. First-line troubleshooting for trip conditions such as overcurrent (OC1), earth faults (OC2), or bus overvoltage (OU) should include checking input voltage stability, motor cable insulation, and acceleration or deceleration ramp settings. Internal hardware or CPU failures, such as unrecoverable EEPROM errors (EER) or internal board faults (P12), cannot be serviced in the field; in these instances, sending the inverter to ABC Industrial Parts for testing and repair or replacing it with a fully tested exchange unit provides the most dependable path back to operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00386350 |
| Model / Type | EVF8101-A |
| Product Family | Drive 8100 |
| Series | 8100 Series |
| Component Type | Frequency Inverter |
| Rated Power | 0.37 kW |
| Supply Voltage | 230 V AC |
| Supply Voltage Range | 180 - 264 V AC |
| Output Voltage Range | 0 - 230 V AC |
| Rated Output Current | 2.4 A |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 4 / 8 / 16 kHz |
| Protection Rating | IP20 |
Programming and Configuration
Parameter management and setup for the Lenze 00386350 EVF8101-A frequency inverter are executed through non-volatile internal EEPROM memory, ensuring that operational parameters remain stored securely during power interruptions. Parameter values can be configured directly at the drive using the plug-in Lenze 2102 IB operating keypad module attached to the front expansion slot.
For software-driven parameterization, the drive connects to a PC using LECOM RS232 or RS485 communication adapters and Lenze Global Drive Control (GDC) software. GDC allows maintenance technicians to view real-time diagnostic data, adjust setpoints, back up parameter sets to disk, and clone existing drive configurations directly into replacement units, streamlining swap-out procedures during equipment downtime.
Communication and System Integration
Control integration for the EVF8101-A inverter relies on integrated 24 V DC control logic accessible via front-facing screw terminals. Digital inputs handle essential control commands including drive enable, start/stop operation, direction reversal, and multi-step setpoint selection. Analog inputs accommodate standard setpoint signals including 0–10 V, 0–20 mA, and 4–20 mA to interface with external potentiometers or PLC analog outputs.
System-level fieldbus communication is enabled through the front expansion slot, which accepts LECOM RS232 or RS485 interface modules. An onboard fault relay with changeover contacts on terminals 28/29 provides direct hardware status signaling to higher-level controllers or safety interlocks, signaling drive readiness or fault trip conditions.
Diagnostics and Status Indication
Visual status monitoring on the Lenze EVF8101-A inverter is provided by front panel LEDs. The red TRIP LED illuminates solid or flashes during drive fault conditions, while the green READY / IMP LED indicates whether the drive is in a ready state or if pulse inhibit is active.
Comprehensive diagnostic evaluation is performed by connecting the 2102 IB operating keypad module to view active fault codes or by opening the diagnostic window within Lenze Global Drive Control (GDC) software via a LECOM connection. Additionally, hardwired diagnostic feedback is available through the drive's changeover fault relay.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| TRIP | Red - Solid / Flashing | Signals drive fault / TRIP condition |
| READY / IMP | Green - Solid / Flashing | Signals drive ready state / pulse inhibit status |
Replacement and Spare Part Considerations
When replacing an existing Lenze 00386350 (EVF8101-A) inverter, verify that the replacement unit matches the required single-phase 230 V AC power rating (0.37 kW, 2.4 A) and that parameter settings are transferred prior to placing the motor under load. Drives cannot simply be swapped without backing up and restoring the operational configuration stored in internal EEPROM memory.
Configuration transfer to a new or refurbished spare can be performed using the Lenze 2102 IB operating keypad or via PC using Lenze Global Drive Control (GDC) software with a LECOM interface adapter. If the original inverter is unpowered or damaged, parameter extraction from donor hardware or factory parameter resetting may be necessary before putting the drive into service.
For broader system modernizations where the 8100 series is being replaced, migration paths include retrofitting to compatible Lenze 8200 series drives (such as E82EV371K2B) or updated Lenze i510 and i550 cabinet frequency inverters. Ensure panel dimensions, control wiring, and fieldbus communication options are reviewed prior to retrofitting.
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 on motor output leads or internal power stage overcurrent. | Short circuit in motor cable, short circuit in motor windings, acceleration time set too short. | Check motor and motor cables for short circuit or earth fault. Increase acceleration ramp time. |
| OC2 | Earth Fault | Earth fault / ground fault detected on output terminals. | Motor winding grounded, output wire grounded, ground leakage current too high. | Check motor insulation with megohmmeter. Check motor output cables for ground fault. |
| OU | Overvoltage DC Bus | DC bus intermediate voltage exceeded upper limit threshold. | Excessive regenerative energy during deceleration, deceleration ramp time set too short, mains voltage spike. | Extend deceleration ramp time (S-ramp/deceleration time), check mains input voltage level. |
| LU | Undervoltage DC Bus | DC bus intermediate voltage dropped below minimum threshold. | Mains supply power loss, input phase failure, mains supply voltage under minimum specified level. | Check mains voltage input lines and fuses. Verify input supply stability. |
| OH | Heatsink Overtemperature | Inverter heatsink temperature exceeds maximum allowed limit. | Cooling fan blocked or defective, ambient air temperature too high, heatsink fouled/dirty, continuous operation at high load. | Clean heatsink, ensure adequate cabinet ventilation, reduce ambient temperature or carrier frequency. |
| OH4 | Motor Overtemperature | Motor PTC or thermal contact sensor triggered. | Motor overloaded, insufficient motor cooling at low speeds. | Allow motor to cool down, inspect load mechanism, verify motor cooling fan. |
| OL | Overload (I x t) | Continuous overload capacity exceeded (Ixt monitor). | Mechanical blockage, motor undersized for mechanical load, continuous operation above nominal current. | Inspect mechanical load for binding or blockage. Verify inverter and motor rating suitability. |
| CE0 | LECOM Communication Error | Communication failure between control unit/keypad or serial LECOM interface. | Faulty plug connection on operating unit or LECOM interface, serial communication timeout. | Check operating module connection, baud rate setting, and serial cable connection. |
| EER | EEPROM Memory Error | Fault detected during read or write operation to internal EEPROM non-volatile memory. | Internal memory corruption, severe EMC disturbance during parameter writing, hardware EEPROM failure. | Perform factory parameter reset. Internal board-level hardware failure — return unit for repair if error persists after power cycle and reset. |
| P12 | Internal Hardware Fault | Internal self-test failed on initialisation or main CPU control circuit fault. | Defective internal power supply board or CPU board failure. | Internal hardware fault — return unit for repair or replace inverter. |
Frequently Asked Questions
What software and hardware are required to back up parameters from the Lenze EVF8101-A drive?
Parameter backup requires Lenze Global Drive Control (GDC) software connected to the inverter's front expansion slot via a LECOM RS232 or RS485 communication adapter, or using a Lenze 2102 IB plug-in operating keypad module.
What should I check if the inverter displays an OC1 fault code?
An OC1 code indicates a short circuit or overcurrent condition. Inspect motor wiring and windings for short circuits or earth faults, and ensure the programmed acceleration ramp time is not set too short for the connected mechanical load.
How is a replacement Lenze 00386350 inverter prepared for operation?
A replacement drive is not plug-and-play. Operational parameters must be downloaded from a GDC software backup file or copied via the 2102 IB keypad module into the unit's non-volatile EEPROM memory prior to running the motor.
What does a flashing red TRIP LED indicate on the front panel?
A flashing or solid red TRIP LED indicates an active drive fault condition. Diagnostic details can be read using the 2102 IB keypad display or through the GDC software diagnostic window.
Can internal hardware errors like EER or P12 be repaired on site?
Errors EER (EEPROM fault) and P12 (internal CPU or hardware fault) indicate component-level hardware issues. If power cycling and factory resets do not clear the fault, the drive requires board-level repair or replacement.
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