Lenze E84AVSCE3024SBS 8400 StateLine C Frequency Inverter
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Product Information
The Lenze E84AVSCE3024SBS is a 3.0 kW frequency inverter from the 8400 StateLine C series, designed for controlled speed management in industrial drive environments. Operating across an input voltage range of 320 to 550 V AC, this cabinet-mounted IP20 drive delivers an output current of 7.3 A at 400 V AC and 5.8 A at 500 V AC. Capable of an output frequency up to 599 Hz and a switching frequency of 8 kHz, the unit supports V/f characteristic control, sensorless vector control (SLVC), and servo control modes to accommodate diverse motor types in material handling, packaging, logistics, and processing applications.
For system integration and control, the drive includes five digital inputs, two digital outputs (one HTL and one relay), two analog inputs, and two analog outputs, along with an integrated Safe Torque Off (STO) functional safety circuit and a built-in brake chopper. System communication is handled via an onboard CANopen interface or optional pluggable fieldbus modules inserted into the dedicated extension slot, including PROFINET (E84AYCER), PROFIBUS DP (E84AYCPM), EtherCAT (E84AYCEC), and EtherNet/IP (E84AYCEO). Commissioning and parameter configuration are managed using Lenze EASY Starter or L-force Engineer software, or locally via the Keypad X400 module. When substituting a failed device, the pluggable MCI memory module allows parameter sets to be transferred directly to the replacement drive without re-commissioning, with technical support available through ABC Industrial Parts for unit verification and memory module handling.
Diagnostic feedback is provided via status LEDs for drive state (DRIVE) and CAN network status (CAN-RUN, CAN-ERR), as well as parameter code lookups C00168 and C00170. Common operational warnings and trip conditions include overcurrent events such as output short circuits (OC1) and earth faults (OC2), DC bus overvoltage (OU), and internal heatsink overtemperature (OH). Initial line checks should verify line voltage stability, 3-phase supply balance, cabling integrity, and cooling air flow. When critical internal hardware or memory corruptions occur—indicated by error code H05—field servicing is not viable, and acquiring a tested replacement or submitting the unit to ABC Industrial Parts for repair provides a fast route back to full operation.
Technical Specifications
| Manufacturer | Lenze |
| Part number | E84AVSCE3024SBS |
| Model / Type | 8400 StateLine C |
| Component type | Frequency Inverter |
| Rated power | 3.0 kW |
| Supply voltage range | 320 - 550 V AC |
| Output current (400V) | 7.3 A |
| Output current (500V) | 5.8 A |
| Maximum output frequency | 599 Hz |
| Switching frequency | 8 kHz |
| Control methods | V/f characteristic control, Sensorless vector control (SLVC), Servo control |
| Digital inputs | 5 |
| Digital outputs | 1 HTL + 1 Relay |
| Analog inputs | 2 |
| Analog outputs | 2 |
| Protection rating | IP20 |
| Functional safety | Integrated Safe Torque Off (STO) |
Programming and Configuration
Drive setup and parameter adjustment for the Lenze E84AVSCE3024SBS are carried out using Lenze EASY Starter or L-force Engineer software suites. Local configuration can also be performed without a computer connection using the optional Keypad Module X400 (E84EZAE1200) or a USB Diagnostic Adapter connected directly to the drive interface.
All operational parameters, motor profiles, and application settings are stored directly on the pluggable MCI memory module attached to the drive housing. During maintenance or device swapping, this memory chip can be removed and inserted into a replacement unit, instantly transferring the entire configuration without requiring software downloads or manual parameter entry.
Communication and System Integration
The Lenze 8400 StateLine C drive provides onboard CANopen system bus communication, allowing direct integration into decentralized multi-axis motion control topologies. Real-time network activity and connection status are continuously monitored via dedicated CAN-RUN and CAN-ERR LED indicators located on the front interface.
For broader industrial network architecture, the inverter features a modular communication extension slot. This slot accommodates optional fieldbus communication modules, including PROFINET (E84AYCER), PROFIBUS DP (E84AYCPM), EtherCAT (E84AYCEC), and EtherNet/IP (E84AYCEO), providing flexible protocol selection to match master controller requirements.
Diagnostics and Status Indication
The E84AVSCE3024SBS features visual diagnostic feedback through front-panel LED indicators and internal status monitors. The DRIVE LED uses green and red states to distinguish between normal operation, active drive inhibit, warnings, and active fault trips, while dedicated CAN-RUN and CAN-ERR LEDs reflect CANopen bus connection states.
Advanced diagnostic routines can be accessed via parameter lookup codes C00168 and C00170 through EASY Starter software or the X400 Keypad display. These parameter registers store historical fault codes and operational trip conditions to assist technicians during fault tracing and preventive maintenance.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| DRIVE | Green/Red - Solid / Flashing | Green ON: Drive operational/ready. Green Flashing: Inverter inhibited or active operation. Red ON: Fault active (Drive inhibited). Red Flashing: Warning active. |
| CAN-RUN | Green - Off / Blinking / Solid | Indicates CANopen bus status (Off = Stopped, Blinking = Pre-Operational, On = Operational). |
| CAN-ERR | Red - Off / Flashing / Solid | Indicates CANopen bus error state (Off = No error, Single flash = Warning limit reached, Double flash = Guard event, On = Bus off). |
Replacement and Spare Part Considerations
When replacing a Lenze E84AVSCE3024SBS frequency inverter, matching the complete part number ensures identical electrical ratings (3.0 kW, 7.3 A at 400 V AC), physical IP20 dimensions, and functional safety support. Recommissioning downtime can be minimized by transferring the existing pluggable MCI memory module directly to the replacement unit.
If optional fieldbus communication modules (such as PROFINET, PROFIBUS, EtherCAT, or EtherNet/IP) or keypad accessories are fitted on the original drive, they must be unclipped and transferred to the replacement unit. For long-term machine upgrades or facility modernizations, the Lenze i550 cabinet inverter series serves as the recommended successor family.
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 at the motor output terminals. | Short circuit in motor cable, winding breakdown in motor, acceleration ramp time too short. | Check motor cable and motor insulation, verify acceleration settings. |
| OC2 | Earth Fault | Earth/ground fault detected on output motor phase. | Ground fault in motor lead or motor winding, capacitive cable charging current. | Inspect motor and wiring for ground faults, shorten motor cable length if excessive. |
| OC5 | I2t Motor Load Overload | Thermal motor overload calculated by I2t monitoring. | Continuous motor overload, motor under-dimensioned, low-speed operation without forced cooling. | Check mechanical load, motor size, and thermal monitoring parameters. |
| OU | DC Bus Overvoltage | DC bus voltage exceeds upper threshold. | Excessive regenerative energy during deceleration, deceleration time too short, brake resistor disconnected or faulty. | Increase deceleration ramp time, check integrated brake chopper or external brake resistor. |
| LU | DC Bus Undervoltage | DC bus voltage drops below minimum threshold. | Mains supply voltage too low, mains phase failure, power outage. | Check supply line voltage and mains fuses. |
| OH | Heatsink Overtemperature | Inverter heatsink temperature exceeded maximum limit. | Insufficient cabinet cooling, blocked ventilation fan, high ambient temperature, heavy overload. | Clean heatsink cooling fins, verify fan function, improve cabinet ventilation. |
| OH4 | Inside Temperature High | Internal inverter ambient temperature limits exceeded. | Excessive enclosure internal temperature, fan failure. | Check control cabinet cooling and internal fan operation. |
| OH7 | Motor Overtemperature (PTC/TK) | Thermal contact or PTC sensor at motor input triggered. | Motor thermal overload, insufficient motor cooling. | Allow motor to cool down, inspect load condition and motor fan. |
| PE | Mains Phase Failure | Missing or unbalanced phase detected in input mains supply. | Mains phase drop, blown fuse, loose terminal connection. | Check 3-phase mains voltage and line fuses. |
| NMAX | Overspeed | Motor speed exceeded maximum allowed threshold. | Incorrect speed controller tuning, driving load (overhauling load). | Check speed limit configuration and speed control loop tuning. |
| CE0 | CAN Communication Fault | CANopen communication failure. | Bus cable broken, improper termination, baud rate mismatch. | Verify CAN cabling, 120-ohm termination resistors, and baud rate setting. |
| H05 | Internal Hardware Error | Internal hardware failure or EEPROM error detected. | Internal memory corruption or hardware board-level defect. | Internal hardware failure — return unit to Lenze service for repair. |
Frequently Asked Questions
How are parameter settings transferred when replacing an E84AVSCE3024SBS inverter?
Operational parameters are stored on the pluggable MCI memory module. Transferring this module from the existing unit to the replacement inverter copies all configuration settings immediately without requiring software tools or manual parameter entry.
What communication protocols does the Lenze E84AVSCE3024SBS support?
The drive features integrated CANopen system bus communication and an extension slot that accepts optional pluggable modules for PROFINET (E84AYCER), PROFIBUS DP (E84AYCPM), EtherCAT (E84AYCEC), and EtherNet/IP (E84AYCEO).
What motor control modes are available on this inverter?
The E84AVSCE3024SBS supports V/f characteristic control, sensorless vector control (SLVC), and servo control for open-loop and closed-loop motor applications.
What does error code H05 indicate on a Lenze 8400 StateLine C inverter?
Error code H05 indicates an internal hardware failure or EEPROM memory corruption. This is an internal component fault that requires unit repair or replacement.
What options exist for local parameter display and diagnostic monitoring?
Diagnostics and local parameter adjustments can be performed using the optional Keypad Module X400 (E84EZAE1200), a USB Diagnostic Adapter, or Lenze EASY Starter engineering software.
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