Lenze 00460546 ESMD152L4TXA Frequency Inverter 1.5kW 2HP
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Product Information
The Lenze 00460546 ESMD152L4TXA is a 1.5 kW (2 HP) frequency inverter from the Lenze SMD Series, engineered for precise variable speed control of three-phase AC motors. Operating across a 3-phase mains supply voltage range of 320 V AC to 528 V AC, this compact IP20-rated drive supplies up to 3.9 A continuous output current with a rated mains input current of 5.0 A. It utilizes V/f control with linear or quadratic acceleration profiles to regulate motor speed across an output frequency range of 0 to 240 Hz at a 4 kHz switching frequency. Featuring an integrated front-panel keypad with a 3-digit LED display, the inverter provides immediate operational feedback and simplified parameter access in automated conveyor systems, pumps, fans, and packaging machinery.
Connecting the drive into a machine system is handled through control terminals featuring four programmable digital inputs, one multi-range analog input supporting 0–10 V, 0–20 mA, or 4–20 mA signals, and one changeover relay output rated up to 250 V AC. Commissioning a replacement unit is streamlined by Lenze's blue Electronic Programmable Module (EPM) memory chip. Drive parameter profiles are stored physically on the plug-in EPM chip, allowing maintenance technicians to transfer the configuration from a failed unit directly into a replacement drive without connecting cables or computer programming tools. When a spare unit is needed to minimize production downtime, ABC Industrial Parts provides tested replacement units ready for immediate system integration.
System status and fault conditions are reported locally through the integrated 3-digit LED display keypad. Current operational states and specific fault codes are shown directly on the screen, while parameter P500 stores historical fault data for root-cause analysis. Standard troubleshooting begins with verifying line supply voltage, motor winding connections across output terminals U, V, and W, and analog loop integrity. While faults related to line power, motor thermal overload, or control wiring can be cleared in the field, internal board failures such as code F09 indicate non-serviceable control hardware damage. In these instances, sending the inverter to ABC Industrial Parts for professional repair or acquiring a fully tested exchange drive provides the fastest route to restoring operation.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 00460546 |
| Model / Type | ESMD152L4TXA |
| Product Family | SMD Series |
| Component Type | Frequency Inverter |
| Rated Power (kW) | 1.5 kW |
| Rated Power (HP) | 2.0 HP |
| Supply Voltage Range | 320 - 528 V AC |
| Rated Mains Input Current | 5.0 A |
| Continuous Output Current | 3.9 A |
| Output Frequency Range | 0 - 240 Hz |
| Switching Frequency | 4 kHz |
| Control Method | V/f Control |
| Digital Inputs | 4 |
| Analog Inputs | 1 (0-10V / 0-20mA / 4-20mA) |
| Relay Outputs | 1 (up to 250 VAC) |
| Protection Rating | IP20 |
Programming and Configuration
The ESMD152L4TXA frequency inverter uses a hardware-based configuration structure built around the removable Electronic Programmable Module (EPM). All drive parameters, spanning acceleration ramps, switching frequencies, motor thermal parameters, and I/O terminal assignments, are stored on this non-volatile memory chip. Local parameter adjustments are made using the front panel keypad, giving direct access to parameters P100 through P500 for fast commissioning and real-time monitoring without external computer software.
For fleet management, batch commissioning, or offline archiving, parameter sets can be read and programmed using the dedicated Lenze EEPM1RA EPM Programmer tool. This tool enables maintenance personnel to duplicate parameter profiles across multiple drives or back up parameter data prior to machine modifications. Transferring an existing blue EPM module into a replacement drive automatically restores full operational settings upon applying main power.
Communication and System Integration
System integration with the Lenze 00460546 drive relies on hardwired control terminal connections. The unit features four programmable digital inputs for start, stop, direction control, and preset speed triggers, combined with one changeover relay output rated for up to 250 V AC to communicate operating status or alarm states back to a higher-level PLC system.
Analog speed commands are processed through a multi-range analog input capable of accepting 0–10 V voltage references, 0–20 mA current loops, or 4–20 mA process follower signals. The inverter includes configurable signal detection for 4–20 mA loops, triggering an analog follower fault code (F.AF) if signal wire interruption occurs, helping protect automated processes against unintended loss of speed control.
Diagnostics and Status Indication
Local operational monitoring and diagnostics are provided by the 3-digit LED keypad display on the front panel. During normal operation, the display presents output frequency, parameter indexes, and numerical values. When a fault occurs, the display shows corresponding alphanumeric fault codes to identify the fault cause.
Parameter P500 serves as a diagnostic log within the drive architecture, retaining records of the active fault and historical error events. Maintenance personnel can inspect parameter P500 via the keypad display to determine recurring trip conditions or analyze power line fluctuations.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| 3-Digit LED Display | Active | Displays output frequency, parameter numbers, values, status codes, and fault messages |
Replacement and Spare Part Considerations
When replacing a failed Lenze 00460546 (ESMD152L4TXA), ensure the replacement unit matches the exact model and power class. Installing an EPM module programmed for a different power rating triggers fault code CF (Data Format Inconsistency), preventing operation until parameters are defaulted or reprogrammed to match the 1.5 kW drive power rating.
Drive exchange is simplified by moving the plug-in blue EPM chip from the original unit directly into the replacement inverter. This physical swap retains all existing motor calibration, ramp settings, and I/O configurations. For broader machine modernizations where legacy SMD drives are scheduled for replacement, the Lenze i510 cabinet drive series serves as the recommended migration path.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| F01 | Overcurrent | Instantaneous output overcurrent limit exceeded. | Short circuit or ground fault at drive output; motor cable too long; acceleration time too short; motor damaged. | Check motor and output wiring for phase-to-phase or phase-to-ground short circuits. Increase acceleration time. Check motor insulation. |
| F02 | Overvoltage | DC bus overvoltage detected. | Excessive regenerative energy fed back from motor during deceleration; deceleration time too short; mains input voltage too high. | Increase deceleration time. Check supply voltage. Install dynamic braking option or line reactor if applicable. |
| F03 | Undervoltage | DC bus voltage dropped below minimum threshold. | Mains supply voltage drop, phase loss, or main supply power outage. | Check main supply input voltage and fuses. Ensure all supply phases are present. |
| F04 | Inverter Overload | Drive overload thermal limit (I x t protection) reached. | Continuous excessive motor load beyond inverter rated capacity; mechanical jam or binding. | Check motor load and mechanical system. Reduce mechanical load or upgrade drive power rating. |
| F05 | Motor Overload | Motor thermal overload protection (I2t) activated. | Motor running at high current at low speeds for extended period; incorrect motor thermal parameter settings. | Check motor load. Verify motor full-load current parameter setting (P103). Allow motor to cool. |
| F06 | Drive Overtemperature | Heatsink temperature exceeded safe limit. | Inadequate cooling airflow, blocked ventilation slots, excessive ambient temperature, cooling fan failure. | Clean heatsink cooling fins, ensure adequate cabinet ventilation, verify cooling fan operation. |
| F07 | EPM Error | EPM memory module error or missing module. | EPM chip not inserted properly, missing, or corrupted parameter data stored on EPM. | Turn off power, verify EPM chip is fully seated in slot. If corrupted, reprogram or replace EPM module. |
| F08 | External Fault | External trip signal activated. | Digital input configured for external fault function was triggered. | Check external fault circuit and sensor/switch connected to the designated digital input. |
| F09 | Internal Fault | Internal control hardware failure detected. | Internal microprocessor or control board component defect. | Internal hardware fault — power cycle drive. If fault persists, return unit for repair or replace drive. |
| F10 | Communication / Keypad Fault | Control circuit or internal communication loss. | Interference or internal board failure. | Power cycle drive. Check ground connections and shield terminations. |
| F12 | Output Phase Loss | Loss of connection on one or more output motor phases. | Disconnected motor cable, loose output terminal connection, open motor winding. | Check wiring between drive output terminals (U, V, W) and motor. Verify motor winding resistance. |
| F.AF | Analog Follower Signal Fault | Loss of 4-20 mA analog input reference signal. | Broken wire or missing signal source on 4-20 mA control input. | Check analog input wiring and current loop transmitter signal integrity. |
| CF | Data Format / EPM Inconsistency | EPM contains invalid parameter data or data formatted for a different drive power class. | EPM module inserted from a different drive model or power rating. | Reset drive parameters to factory defaults or re-program EPM with correct settings for this specific drive rating. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze ESMD152L4TXA inverter?
Remove the blue Electronic Programmable Module (EPM) chip from the original drive and plug it directly into the EPM slot on the replacement drive prior to powering up. All parameter settings will transfer automatically without requiring software tools or programming cables.
What causes fault code CF on the Lenze 00460546 drive?
Fault code CF indicates a Data Format / EPM Inconsistency. This occurs when an EPM chip containing parameter data configured for a different drive model or power rating is inserted. Reset parameters to factory defaults or reprogram the EPM module for the 1.5 kW rating.
Can the ESMD152L4TXA accept a 4-20 mA speed reference signal?
Yes, the single analog input supports 0-10 V, 0-20 mA, and 4-20 mA signals. If a 4-20 mA signal is interrupted, the inverter displays fault code F.AF to indicate an analog follower signal fault.
How do I inspect fault history on this drive?
Access parameter P500 via the front 3-digit LED keypad display. Parameter P500 displays the current fault code as well as recorded fault history.
What is the recommended migration path for the Lenze SMD series?
The recommended migration path for upgrading legacy Lenze SMD series inverters is the Lenze i510 cabinet drive series.
What action should be taken if fault code F09 appears?
Fault code F09 indicates an internal control hardware failure. Power cycle the drive first. If the fault persists, internal microprocessor or board components are defective, requiring unit repair or replacement.
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Data backup and recovery
Have you lost valuable parameters or data due to a malfunction while the manufacturer no longer provides support? At ABC Industrial Parts, we help you secure this data, both for common and specific products.
Specific firmware and hardware versions
If you are working with specific hardware or firmware versions that are no longer available from the manufacturer, ABC Industrial Parts is your partner. When making your enquiry, clearly state which versions you need, we will then look at the possibilities of supplying those versions, so that your installations continue to function optimally.
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