Lenze I55AE175B10010002S i550 Cabinet Frequency Inverter
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Product Information
The Lenze I55AE175B10010002S is a 0.75 kW (1.0 hp) frequency inverter belonging to the i500 product family, structured specifically as an i550 cabinet inverter. Designed for control cabinet installation across automated processing environments, this compact unit operates on a 230 V AC supply voltage (with an allowable line range of 198 to 264 V AC) and delivers up to 4 A rated output current across an adjustable 0 to 230 V AC output range. Equipped with an integrated Class A EMC mains filter and an IP20 enclosure rating, the drive provides flexible motor control across multiple operating modes including linear and square-law V/f characteristics, Sensorless Vector Control (SLVC), Sensorless Control for Synchronous Motors (SL-PSM), and Servo Control (SC-ASM) for tasks in material handling, packaging, HVAC, and plastics manufacturing.
Integrating and commissioning a replacement drive requires matching control wiring and network communication capabilities. The unit features built-in control terminals providing 5 digital inputs, 2 digital outputs, 2 analog inputs, and 1 analog output, alongside standard onboard CANopen and Modbus RTU communication interfaces. For broader industrial network architectures, the drive accepts pluggable extension modules for PROFINET, EtherNet/IP, and EtherCAT. Parameterization of a new or spare unit can be performed using Lenze EASY Starter commissioning software with a USB diagnostic module, a Smart Keypad, or a pluggable WLAN module via mobile app. Additionally, the drive incorporates a removable External Parameter Module (EPM) memory chip, which allows maintenance personnel to clone and transfer complete drive settings to a spare inverter instantly without connecting software tools or powering up the replacement hardware. ABC Industrial Parts can support technical teams with spare units and option modules to accelerate site installation.
Diagnostic monitoring on the drive is supported by onboard status LEDs including RDY (green), ERR (red), and BUS/CAN (green/red), which provide clear feedback on operating state, active drive trips, and fieldbus communication health. Internal diagnostic tools include a fault history buffer that logs recent fault codes and warnings alongside operational timestamps. Operational faults such as overcurrent (0x2310), DC-bus overvoltage (0x3210), or heatsink overtemperature (0x4210) point to external mechanical blockages, improper deceleration ramps, or clogged cooling fins. If an internal error code such as 0x6100 is raised and persists after a power cycle, it indicates an unserviceable control hardware failure on the internal circuit board. In such cases, replacing the faulty unit with a tested exchange inverter from ABC Industrial Parts offers the most dependable path to restoring machine productivity.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | I55AE175B10010002S |
| Model / Type | i550 Cabinet Inverter |
| Product Family | i500 |
| Component Type | Frequency Inverter |
| Rated Power | 0.75 kW |
| Rated Power | 1.0 hp |
| Supply Voltage | 230 V AC |
| Supply Voltage Range | 198 - 264 V AC |
| Rated Output Current | 4 A |
| Output Voltage Range | 0 - 230 V AC |
| Output Frequency Range | 0 - 599 Hz |
| Default Switching Frequency | 4 kHz |
| Digital Inputs | 5 |
| Digital Outputs | 2 |
| Analog Inputs | 2 |
| Analog Outputs | 1 |
| EMC Mains Filter | Integrated Class A |
| Enclosure Rating | IP20 |
Programming and Configuration
The Lenze i550 frequency inverter supports comprehensive software and hardware options for commissioning and parameter management. Full system engineering and parameter adjustments can be conducted using Lenze EASY Starter software when connected via the USB diagnostic module (I5MADU0000000S). For direct local parameter display and manual setup, technicians can attach the Lenze Smart Keypad (I5MADK0000000S). Wireless access is also supported by installing a pluggable WLAN module and connecting via the Lenze Smart Keypad App on mobile devices.
A key capability of the i500 inverter platform is the pluggable External Parameter Module (EPM). All drive configuration data, parameter sets, and motor maps reside on this hardware chip. When replacing an operational or damaged inverter, the EPM module can be removed from the original unit and inserted directly into the replacement drive. This allows immediate parameter transfer without needing external engineering tools or powering up the drive during configuration.
Communication and System Integration
Base system connectivity is built directly into the Lenze I55AE175B10010002S inverter, featuring onboard CANopen and Modbus RTU serial protocols. These integrated interfaces provide baseline network control, real-time status telemetry, and parameter access without requiring additional hardware cards.
For higher-level network architecture or industrial Ethernet requirements, the drive includes dedicated extension slots for fieldbus cards. Supported options include the PROFINET extension module (I5MADF0000000S), EtherNet/IP extension module (I5MADF0000001S), and EtherCAT extension module (I5MADF0000002S). When deploying a spare unit into a fieldbus environment, ensure any optional module from the original drive is properly seated and network address settings are correctly configured.
Diagnostics and Status Indication
The front panel of the Lenze i550 cabinet inverter features three diagnostic LEDs that provide immediate visual feedback on operational states. The green RDY LED indicates general inverter readiness and run conditions, the red ERR LED highlights active warnings or fault trips, and the multi-color BUS/CAN LED displays communication network statuses such as pre-operational, operational, or bus error conditions.
Detailed troubleshooting is supported by an internal fault history buffer that records recent fault and warning codes along with operational timestamps. Maintenance engineers can access this fault history buffer via the Smart Keypad or through Lenze EASY Starter software connected via the USB diagnostic module (I5MADU0000000S).
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| RDY | Green - Flashing / Solid / Off | Flashing = Inverter ready/inhibited; Solid = Inverter enabled/running; Off = No supply voltage or hardware fault |
| ERR | Red - Flashing / Solid / Off | Flashing = Warning or trouble active; Solid = Active fault/drive trip; Off = No fault present |
| BUS / CAN | Green/Red - Various | Indicates fieldbus communication status (Pre-operational, Operational, Bus Error, Off) |
Replacement and Spare Part Considerations
When replacing a Lenze I55AE175B10010002S inverter, verify that the replacement hardware matches the electrical specifications of the existing system, including the 0.75 kW power rating, 4 A output current, and 230 V AC supply requirements. Check whether optional extension modules—such as PROFINET, EtherNet/IP, or EtherCAT cards—are required for communication and ensure they are swapped to the replacement drive.
To minimize downtime during a hardware swap, transfer the pluggable External Parameter Module (EPM) from the failed unit directly into the replacement inverter. This transfers all configuration settings immediately. Before applying main power, verify all power and control terminal connections, check supply fuses, and ensure the RDY LED illuminates correctly upon startup.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| 0x2221 | Earth fault | Short circuit / earth fault detected at motor output phase. | Motor cable damaged, insulation fault in motor windings, excessive cable capacitance. | Check motor cable and motor insulation resistance. Verify max allowed motor cable length. |
| 0x2310 | Overcurrent output | Instantaneous overcurrent condition detected at inverter output. | Acceleration time too short, motor stalled or mechanically blocked, motor power mismatch. | Increase acceleration time, check motor size and parameter settings, inspect motor load for mechanical jams. |
| 0x2320 | Short circuit output | Short circuit detected across motor phase terminals. | Inter-phase short circuit in motor cable or motor connection box. | Disconnect motor cable and check for short circuits between phases. Inspect motor windings. |
| 0x3210 | DC-bus overvoltage | DC-bus link voltage exceeded upper threshold level. | Regenerative energy during deceleration too high, deceleration ramp time too short, grid voltage transient. | Increase deceleration ramp time, activate DC-bus voltage controller, install external brake resistor. |
| 0x3220 | DC-bus undervoltage | DC-bus link voltage dropped below lower threshold limit. | Mains voltage failure, main supply drop, phase missing, input fuse blown. | Check mains voltage supply, fuses, and incoming power lines. |
| 0x3310 | Mains phase failure | Phase missing or severe imbalance in incoming AC line supply. | Loose AC supply wire, blown supply fuse, unbalanced AC line. | Check mains connections and line fuses under load conditions. |
| 0x4210 | Heatsink overtemperature | Inverter heatsink temperature exceeds maximum allowed limit. | Inadequate cabinet ventilation, fan clogged or failed, high ambient temperature, continuous overload. | Clean heatsink cooling fins, verify cooling fan operation, check cabinet airflow and ambient temperature. |
| 0x6100 | Internal error | Internal control hardware or microprocessor communication failure. | Internal memory error, defective control board, severe electromagnetic interference. | Cycle power supply. If fault persists, internal hardware fault — return unit for repair. |
| 0x7110 | Motor overspeed | Motor speed exceeded maximum permissible limit. | Incorrect motor parameter setting, gain tuning improper, mechanical overspeed drive by load. | Check motor parameter data, speed limit settings, and load control system. |
| 0x2382 | I2t motor overload | Calculated motor thermal overload state reached. | Continuous motor operation above rated torque/current. | Reduce motor load or select larger motor/inverter combination. Check cooling. |
Frequently Asked Questions
What are the primary power and voltage ratings for the Lenze I55AE175B10010002S?
The Lenze I55AE175B10010002S is rated for 0.75 kW (1.0 hp) with a 4 A output current. It operates on a single-phase or three-phase 230 V AC mains supply within an input range of 198 to 264 V AC.
How can I transfer configuration parameters to a replacement inverter without software?
Parameters can be transferred without software by swapping the pluggable External Parameter Module (EPM) memory chip from the faulty drive into the replacement inverter prior to powering up the system.
Which communication protocols are natively integrated into this drive?
The drive includes onboard CANopen and Modbus RTU communication interfaces. Additional protocols such as PROFINET, EtherNet/IP, or EtherCAT can be added using pluggable extension modules.
What do the RDY and ERR front panel LEDs indicate?
The green RDY LED shows drive status (flashing for ready/inhibited, solid for enabled/running, off for no power or hardware fault). The red ERR LED indicates warnings when flashing and an active trip or fault state when solid.
What action should be taken if fault code 0x6100 appears?
Fault code 0x6100 indicates an internal control hardware error. The initial step is to cycle the power supply. If the error persists, the control board hardware is defective and requires repair or replacement.
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Specific firmware and hardware versions
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