Lenze E84AVSCE1524VX0 8400 StateLine C Frequency Inverter
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Product Information
The Lenze E84AVSCE1524VX0 is a 1.5 kW frequency inverter from the 8400 StateLine C series within the Inverter Drives 8400 product family. Engineered for speed control of asynchronous AC motors, this cabinet-mounted drive operates across a 3-phase supply voltage range of 320 V AC to 550 V AC, delivering a rated output current of 3.9 A at 400 V and 3.1 A at 500 V. Motor control is executed using linear V/f, square-law V/f, or sensorless vector control (SLVC) algorithms up to an output frequency of 599 Hz at a default switching frequency of 8 kHz. Integrated functional safety is provided through built-in Safe Torque Off (STO), eliminating the need for redundant external safety contactors in panel installations.
System connectivity is anchored by an on-board CANopen interface supporting communication speeds up to 1 Mbit/s, supplemented by local terminal connections featuring five digital inputs, one digital output, two analog inputs, and one analog output. For integration into broader fieldbus networks, the drive includes a modular extension slot capable of accepting optional PROFINET, PROFIBUS, EtherCAT, or EtherNet/IP communication modules. Replacing a installed drive is simplified by swapping the pluggable L-force memory module from the original unit to transfer parameter sets without software tools, while complete parameterization and backup tasks can also be managed via Lenze L-force Engineer software with a USB diagnostic adapter or using the optional Keypad X100, with ABC Industrial Parts available to assist with configuration transfer and replacement preparation.
Front-facing status LEDs—DRV-READY, DRV-ERROR, CAN-RUN, and CAN-ERR—provide immediate status indication for drive readiness, system faults, and CANopen bus activity. Advanced diagnostic insights are accessible through the online diagnostic tree in L-force Engineer or as plain-text descriptions on the Keypad X100. Routine troubleshooting involves verifying supply voltage during undervoltage faults, evaluating deceleration ramps and braking configurations during DC bus overvoltage conditions, checking motor insulation and cabling when short circuit or earth faults trigger, and assessing heatsink ventilation or load levels upon thermal trip warnings. If internal hardware failures occur, such as power electronics fault code H11, board-level repairs are not field-serviceable, making unit repair or a tested exchange drive from ABC Industrial Parts the direct path back to operation.
Technical Specifications
| Manufacturer | Lenze |
| Part number | E84AVSCE1524VX0 |
| Model / type | 8400 StateLine C |
| Product family | Inverter Drives 8400 |
| Component type | Frequency Inverter |
| Rated power | 1.5 kW |
| Supply voltage range | 320 - 550 V AC |
| Rated output current (400V) | 3.9 A |
| Rated output current (500V) | 3.1 A |
| Output frequency range | 0 - 599 Hz |
| Default switching frequency | 8 kHz |
| Control method | V/f Control, Sensorless Vector Control (SLVC) |
| Integrated safety function | Safe Torque Off (STO) |
| On-board fieldbus | CANopen |
| Digital inputs | 5 |
| Digital outputs | 1 |
| Analog inputs | 2 |
| Analog outputs | 1 |
Programming and Configuration
Configuration of the Lenze E84AVSCE1524VX0 drive is supported through the Lenze L-force Engineer software environment. Connecting a PC to the drive requires the optional USB Diagnostic Adapter (E84AYCER), which establishes an online interface with the inverter for parameter modification, motor tuning, and monitoring offline or live operational parameters. For field adjustments without a PC, the pluggable Keypad X100 (E84AYKCE) attaches directly to the front interface slot to provide plain-text navigation.
Parameter management is centered around the removable L-force memory module (E84AYM016 or E84AYM064). All operational parameters, motor profiles, application setups, and fieldbus configurations are stored directly on this module. During maintenance or drive replacement, swapping the memory module from a failed drive to a replacement unit transfers the complete working parameter set immediately without requiring software reconnection or manual parameter entry.
Communication and System Integration
The E84AVSCE1524VX0 comes equipped with an integrated CANopen system bus interface capable of operating at selectable transmission rates up to 1 Mbit/s. This allows system integration with higher-level PLCs, motion controllers, or networked peer drives across standard CAN networks without requiring secondary communication cards.
For integration into alternative industrial network architectures, the inverter features a dedicated expansion slot. Optional L-force communication modules can be installed to add fieldbus functionality, including PROFINET (E84AYCPM / E84AYCER), PROFIBUS-DP (E84AYCPV), EtherCAT (E84AYCEC), and EtherNet/IP (E84AYCEI). Hardwired control signals are handled via five digital inputs, one digital output, two analog inputs, and one analog output.
Diagnostics and Status Indication
Drive status and operating conditions are visible on the front panel via four dedicated diagnostic LEDs. These LEDs indicate drive operational readiness, general error conditions, and active status for the CANopen fieldbus connection.
Detailed fault evaluation is supported online using the diagnostic tree inside L-force Engineer software or locally via plain-text error messages on the optional Keypad X100. The inverter also issues CANopen Emergency (EMCY) messages over the network to report active fault codes to the master controller.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRV-READY | State dependent | Indicates drive readiness and operational status |
| DRV-ERROR | State dependent | Indicates drive error or active fault condition |
| CAN-RUN | State dependent | Indicates active CANopen bus communication state |
| CAN-ERR | State dependent | Indicates CANopen bus communication fault or bus-off condition |
Replacement and Spare Part Considerations
When swapping out a Lenze E84AVSCE1524VX0 drive, matching the part number ensures identical voltage ratings (320 - 550 V AC) and output current limits (3.9 A at 400 V / 3.1 A at 500 V). If the original machine setup uses optional fieldbus modules such as PROFINET, PROFIBUS, EtherCAT, or EtherNet/IP, these extension modules must be unclipped from the donor unit and reinstalled into the replacement drive's extension slot.
Downtime during replacement can be minimized by utilizing the L-force memory module (E84AYM016 / E84AYM064). Removing the memory module from the faulty unit and placing it directly into the new inverter transfers all parameters without requiring a PC connection or reconfiguration. When upgrading or planning long-term platform maintenance, note that the Lenze i550 cabinet inverter series serves as the designated successor platform for 8400 StateLine drives.
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 | Excessive motor output current detected (short circuit or ground fault on motor side) | Short circuit in motor cable or motor winding, motor power rating too large for drive, acceleration time set too short | Check motor and motor wiring for short circuit / ground fault, check parameter settings for ramp times, check motor parameters |
| OC2 | Earth fault | Ground fault / earth leakage current detected on motor connection | Ground fault in motor cable or motor insulation failure, excessive line capacitance on long unshielded cable | Measure motor winding insulation resistance against ground, check cable length and shielding |
| OU | Overvoltage DC bus | DC bus voltage exceeds maximum upper safety threshold | Regenerative energy from motor during deceleration, deceleration ramp time too short, mains voltage too high, missing brake resistor | Extend deceleration time, install or check braking resistor and chopper module, verify mains supply voltage |
| LU | Undervoltage DC bus | DC bus voltage dropped below minimum operating limit | Mains supply voltage dropped, phase loss, power supply interruption or mains failure | Check supply voltage, line fuses, line contactors, and input phase wiring |
| OH | Heatsink overtemperature | Inverter power module heatsink temperature exceeds maximum allowable threshold | Inadequate control cabinet cooling, clogged heatsink/fan, ambient temperature too high, continuous overload operation | Clean heatsink, check fan operation, ensure adequate cabinet ventilation, reduce carrier frequency or load |
| OH4 | Motor overtemperature | Motor temperature sensor (PTC/KTY/thermal switch) triggered overtemperature warning/fault | Motor thermal overload, insufficient motor cooling, defective sensor or loose connection | Allow motor to cool down, check motor load and cooling fan, inspect sensor terminal connection |
| OH7 | Inverter thermal overload (I2t) | Calculated thermal load of inverter power section exceeded limit | Drive running at sustained excessive current output above rated current | Reduce drive load or upgrade to larger power rating inverter drive |
| NMAX | Speed limit exceeded | Actual motor speed exceeded maximum configured speed limit | Overhauling load, wrong motor encoder or speed feedback setting, speed controller gains incorrect | Check maximum speed limit settings, inspect mechanical load for overhauling conditions |
| CE0 | CANopen communication error | CANopen system bus communication fault / Bus-Off state | Interrupted bus cable, incorrect bus termination resistors, wrong baud rate, bus traffic overload | Check CAN cabling, termination resistors (120 Ohm at both ends), node address settings, and baud rate |
| H11 | Internal power unit fault | Internal hardware or power electronics failure detected | Internal driver board, power module, or current sensor failure | Internal hardware fault — return unit for repair or replace inverter drive |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze E84AVSCE1524VX0 drive?
Parameter transfer can be accomplished tool-free by removing the pluggable L-force memory module from the original drive and inserting it into the replacement unit. Alternatively, parameters can be saved and restored via Lenze L-force Engineer software using a USB Diagnostic Adapter (E84AYCER) or set manually using the Keypad X100.
What standard fieldbus interfaces are built into the E84AVSCE1524VX0?
The E84AVSCE1524VX0 includes an on-board CANopen system bus supporting baud rates up to 1 Mbit/s. Additional fieldbuses like PROFINET, PROFIBUS, EtherCAT, or EtherNet/IP can be added using optional L-force extension modules.
What does a fault code OC1 indicate on this drive?
An OC1 code indicates an overcurrent or short circuit condition detected on the motor output side. Recommended actions include inspecting the motor and cabling for short circuits or ground faults, verifying ramp acceleration settings, and checking motor parameter setups.
Does the E84AVSCE1524VX0 include built-in safety functionality?
Yes, the inverter features integrated Safe Torque Off (STO) functional safety, which safely prevents motor torque generation without needing external safety power contactors.
What action should be taken if fault code H11 appears?
Fault code H11 signifies an internal power unit or hardware failure. Because internal power electronics are not field-serviceable, the unit must be removed for professional repair or swapped with a replacement drive.
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