Lenze 13188623 ESMD552L4TXA smd Frequency Inverter 5.5 kW
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Product Information
The Lenze 13188623 (model ESMD552L4TXA 000XX1H23) is a 5.5 kW (7.5 HP) frequency inverter from the Lenze smd sub-micro drive series, designed for speed control of three-phase AC asynchronous induction motors. Operating across a broad three-phase supply voltage range of 320 V AC to 528 V AC at 400/480 V AC nominal, this drive supplies a continuous output current of 12 A with a rated input current of 14.1 A. It provides robust V/f characteristic control with an adjustable switching frequency up to 8 kHz and an output frequency range of 0 to 500 Hz. The unit incorporates an integrated front-panel keypad and an LED segment display for direct parameter adjustment and real-time operational monitoring across conveyor, fan, pump, and general industrial automation systems.
Control connections are accessible via screw terminals, including four programmable PNP digital inputs, one multi-range analog input supporting 0–10 V, 0–20 mA, or 4–20 mA signals, and one changeover relay output. Putting a replacement drive into service is simplified by the plug-in Electronic Programmable Module (EPM), a removable memory chip located on the drive's front face. Moving the EPM chip from an original drive into a replacement unit clones all parameters instantly without requiring software tools, laptop connections, or control rewiring. ABC Industrial Parts can assist maintenance teams with pre-testing and parameter verification when preparing spare units for critical production lines.
Operational status and trip conditions are indicated directly through the numeric LED screen and state changes on the alarm relay contact. Fault indications such as DC bus overvoltage, motor thermal overload, and earth fault codes allow technicians to perform effective first-line troubleshooting on mains power supply, motor wiring, and load conditions. For persistent output short circuits or internal control board faults, field servicing is generally unfeasible, making drive replacement or hardware repair through ABC Industrial Parts the most efficient path back to operating status.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 13188623 |
| Model / Type | ESMD552L4TXA 000XX1H23 |
| Product Family | smd |
| Component Type | Frequency Inverter |
| Power Rating | 5.5 kW |
| Power Rating (HP) | 7.5 HP |
| Supply Voltage Range | 320 - 528 V AC (3-phase) |
| Nominal Supply Voltage | 400 / 480 V AC |
| Rated Input Current | 14.1 A |
| Continuous Output Current | 12 A |
| Output Frequency Range | 0 - 500 Hz |
| Switching Frequency | 8 kHz |
| Digital Inputs | 4 (PNP standard) |
| Analog Inputs | 1 (0-10V, 0-20mA, 4-20mA) |
| Relay Outputs | 1 (Changeover relay) |
Programming and Configuration
Direct parameter setup on the Lenze ESMD552L4TXA frequency inverter is achieved using the built-in front-panel keypad and LED display. Operators can adjust functional parameters such as acceleration and deceleration times, maximum output frequency, switching frequency, motor thermal overload threshold, and input signal mapping directly at the device without handheld terminals.
Drive configuration data is saved on the plug-in Electronic Programmable Module (EPM), an EEPROM memory module installed on the front panel. Parameter sets can be pre-programmed off-line or replicated across multiple units using the Lenze EPM Programmer tool. Inserting a configured EPM module automatically loads all parameter settings into the drive upon power application.
Communication and System Integration
System interface integration for the 13188623 inverter uses dedicated screw terminal blocks. Digital control relies on four programmable PNP digital inputs for commands such as start, stop, rotation direction, and preset speed selection. Analog speed references are received through a single multi-range input configurable for 0–10 V, 0–20 mA, or 4–20 mA signals.
Remote fault signaling is handled via a built-in changeover relay contact. The relay switches state upon an internal protection trip or user-configured threshold, allowing external supervisory controllers or safety circuits to register drive trip states.
Diagnostics and Status Indication
The Lenze ESMD552L4TXA uses its integrated front-panel LED segment display to output real-time operating metrics, including output frequency and status messages. When a operational fault occurs, the display shows specific alphanumeric error codes to pinpoint the source of interruption.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| LED Display | Red/Green - Numeric / Alpha Segment Display | Displays status codes, operating frequency, or fault codes |
Replacement and Spare Part Considerations
When replacing a failed drive with a spare Lenze 13188623 unit, verify that the replacement matches the 5.5 kW (7.5 HP) power rating, 12 A output current capacity, and 320–528 V AC three-phase supply requirement. Ensure that terminal control configurations match the existing system setup.
Parameter transfer during replacement is achieved by swapping the plug-in EPM chip from the original inverter into the replacement unit. This transfers all parameter settings without requiring software or cables. For long-term equipment modernization, Lenze recommends migrating to the i510 or i550 inverter series, while installing an original ESMD552L4TXA replacement unit provides the fastest route for restoring active production systems.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| F01 | DC Bus Overvoltage | DC bus voltage exceeds maximum limit. | Deceleration time too short, regenerative energy from motor, supply voltage too high. | Increase deceleration time (parameter C13), install braking module/resistor if supported, check supply voltage. |
| F02 | DC Bus Undervoltage | DC bus voltage dropped below minimum limit. | Mains supply power outage, supply voltage drop, loose power input connections. | Check mains input voltage, check power wiring and fuses. |
| F03 | Motor Overload (I2t) | Motor load current sustained above continuous current limit. | Excessive mechanical load, motor blocked, motor parameter setting mismatch. | Reduce load, verify motor nameplate data and drive thermal overload settings. |
| F04 | Inverter Overload (I2t) | Drive output current overloaded continuously. | Drive undersized for load, high duty cycle heavy acceleration. | Increase acceleration time, reduce mechanical load, verify drive rating. |
| F05 | Heatsink Overtemperature | Inverter heatsink temperature exceeded safe limit. | Ambient temperature too high, cooling fan failed or obstructed, heatsink fins clogged with dirt. | Clean heatsink cooling fins, ensure adequate cabinet ventilation, verify fan operation. |
| F06 | Motor Overtemperature | Motor PTC sensor input triggered overtemperature. | Motor overheating, inadequate cooling fan on motor, heavy low-speed operation. | Allow motor to cool, check motor cooling fan, reduce motor load. |
| F07 | Earth Fault / Ground Fault | Current imbalance detected between output phases and ground. | Short circuit to ground in motor winding or motor cable, moisture in motor connector. | Inspect motor cables and motor insulation with a megohmmeter. Internal hardware error if motor disconnected and fault persists (return unit for repair). |
| F08 | Short Circuit | Short circuit detected on drive output terminals U, V, W. | Phase-to-phase short circuit in motor cable or terminal block, shorted motor winding. | Check motor wiring and motor windings for phase-to-phase short circuit. If clear, internal output stage damaged — return unit for repair. |
| F09 | EEPROM / Internal Fault | Internal memory or processor control error. | Internal electronic failure or corrupted control board. | Internal hardware fault — power cycle drive; if persistent, return unit for repair. |
| F.cf | EPM Configuration Error | Invalid parameter set or incompatible EPM module inserted. | EPM module blank, corrupted, or formatted for a different inverter power rating or family. | Insert correct EPM chip or reset drive parameters to factory default using keypad. |
| F.EPM | EPM Missing | Drive powered up without an EPM chip inserted in the slot. | EPM chip not fully seated or missing from front socket. | Disconnect power and seat EPM module firmly into the slot on the front panel. |
Frequently Asked Questions
How are drive parameters transferred during a unit replacement?
Parameter transfer is completed by removing the plug-in EPM chip from the original drive and inserting it into the replacement unit. The spare drive automatically reads the parameter set upon power-up without requiring software connection.
What motors can be operated with the ESMD552L4TXA frequency inverter?
The drive is designed to regulate standard three-phase AC asynchronous induction motors using V/f characteristic control.
What supply voltage range does the 13188623 inverter support?
The unit operates on a three-phase supply voltage ranging from 320 V AC to 528 V AC, accommodating standard 400 V and 480 V nominal power distribution networks.
What does fault code F.EPM indicate on the front display?
Fault code F.EPM indicates that the drive was powered on without an EPM memory chip installed or that the chip is improperly seated in its front slot.
What is the recommended modernization path for legacy Lenze smd drives?
For new system designs or long-term upgrades, Lenze recommends migrating to the i510 or i550 series inverter platform. For existing equipment maintenance, a direct ESMD552L4TXA replacement avoids system redesigns.
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Specific firmware and hardware versions
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