Lenze 33.8201BB 8200 Series 0.5HP 230V AC Frequency Inverter
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Product Information
The Lenze 33.8201BB is a 0.5 HP (0.37 kW) AC frequency inverter drive belonging to the Lenze 8200 series. Designed to operate on a 230 V AC supply across an acceptable line voltage window of 180 to 264 V AC, this compact drive delivers up to 2.4 A continuous output current to speed-regulated AC motors. Operating at an 8 kHz switching frequency, it supports an adjustable output frequency spectrum from 0 to 480 Hz across both standard open-loop V/f characteristic control and high-performance sensorless vector control modes. It is frequently employed across material handling, packaging machinery, fluid processing, and textile manufacturing equipment to provide dynamic torque and flexible velocity control.
Connecting and commissioning a replacement unit requires matching terminal wiring and option module configurations. The base unit features built-in control terminals providing four configurable digital inputs, one digital output, and one analog input supporting 0–10 V, 0–20 mA, or 4–20 mA signals. Network connectivity is established via an option slot that accommodates plug-in fieldbus modules for PROFIBUS-DP, CANopen, InterBus, or LECOM serial communication using an EMF2102IB converter. Because a replacement drive will not run off-the-shelf, technicians must reload motor parameters and drive settings into the unit's non-volatile EEPROM storage using an EMZ2101 or EMZ2102 operating keypad or Global Drive Control (GDC) PC software. When parameter extraction from a faulty donor unit is necessary, ABC Industrial Parts can assist in preparing replacement hardware prior to installation.
Diagnostic conditions are indicated directly through front status LEDs and digital interfaces. A solid or flashing green LED signals drive readiness and normal operation or controller inhibition, whereas a solid red LED indicates an active fault trip. Detailed trip logs and real-time parameters are accessible via the 7-segment keypad display or the GDC diagnostic window, displaying fault codes such as overcurrent (OC1, OC2, OC5), bus overvoltage (OU), undervoltage (LU), or motor overtemperature (OH4). First-line troubleshooting should verify mains supply stability, phase wiring, ramp settings, and fieldbus option card seating. If memory faults like EE or EER persist after a parameter reload, internal hardware failure is indicated, making a tested replacement or repair unit through ABC Industrial Parts the most efficient path back to operational status.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 33.8201BB |
| Model / Type | 0.5HP 230V AC Frequency Inverter Drive |
| Product Series | 8200 Series |
| Component Type | Frequency Inverter |
| Rated Power (kW) | 0.37 kW |
| Horsepower | 0.5 HP |
| Supply Voltage | 230 V AC |
| Supply Voltage Range | 180 - 264 V AC |
| Output Voltage | 230 V AC |
| Continuous Output Current | 2.4 A |
| Output Frequency Range | 0 - 480 Hz |
| Switching Frequency | 8 kHz |
| Control Method | V/f Characteristic Control / Vector Control |
| Digital Inputs | 4 |
| Digital Outputs | 1 |
| Analog Inputs | 1 |
Programming and Configuration
Configuring the Lenze 33.8201BB frequency inverter is accomplished using either the plug-in EMZ2101 or EMZ2102 keypad modules or Lenze Global Drive Control (GDC) software connected via a LECOM serial interface. Parameter sets are held within non-volatile internal EEPROM memory, which supports dual parameter set storage to accommodate alternate motor profiles or operational sequences within a single drive.
For field replacements, parameter cloning allows quick transfer of operational settings between drives. Using the plug-in keypad, parameters can be saved directly from an existing unit and uploaded into the spare drive, eliminating manual configuration steps. When using GDC PC software via an EMF2102IB converter, complete device projects can be saved, backed up, and restored across multiple units on the factory floor.
Communication and System Integration
System integration on the Lenze 33.8201BB is structured around a modular control terminal strip and an expansion slot for fieldbus integration. The integrated terminal strip provides four configurable digital inputs, one digital output, and one selectable analog input capable of receiving 0 to 10 V, 0 to 20 mA, or 4 to 20 mA control signals.
Higher-level control network integration is enabled through plug-in fieldbus communication modules that install directly into the front option slot. Supported protocol modules include PROFIBUS-DP, CANopen, InterBus, and LECOM serial communication. The drive uses standard parameter channels and fieldbus mapping, allowing seamless control commands, speed references, and diagnostic feedback to be transmitted over the industrial network.
Diagnostics and Status Indication
Real-time monitoring on the Lenze 33.8201BB is provided by status LEDs, a 7-segment operating keypad display, and remote software diagnostics. The green LED signals active operation or controller inhibit, while the red LED indicates a fault condition. Further diagnostic details, including historical fault memory and live parameter readouts, can be viewed through the Global Drive Control (GDC) software or the plug-in keypad interface.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Green LED | Green - Flashing / Solid | Operational state / drive ready; flashes when controller is inhibited or running normally |
| Red LED | Red - Solid | Fault state / error trip active |
Replacement and Spare Part Considerations
Although Lenze has officially discontinued the 8200 series drive family in favor of newer ranges such as the i510 and i550 cabinet inverters, direct replacements like the 33.8201BB remain critical for maintaining existing production lines without requiring extensive panel rewiring or PLC program modification.
When replacing an existing drive, technicians must ensure that installed communication option cards (such as PROFIBUS-DP or CANopen) are transferred to the spare unit's option slot. In addition, parameter backup and reload procedures must be executed via keypad or GDC software to mirror control mode settings (V/f or vector control), ramp times, terminal assignments, and motor thermal overload thresholds before restarting the machine.
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 | Overcurrent acceleration phase | Short circuit on motor phase, acceleration ramp time too short, motor improperly sized | Check motor wiring and insulation, increase acceleration ramp time (C012) |
| OC2 | Short Circuit / Overcurrent | Overcurrent deceleration phase | Deceleration ramp time too short, regenerative energy too high | Increase deceleration ramp time (C013), fit brake chopper/resistor if required |
| OC5 | Overcurrent at Constant Speed | Overcurrent detected during steady-state operation | Sudden load change, mechanical blockage, motor fault | Check mechanical load, motor, and line voltage |
| OU | Overvoltage in DC Bus | Intermediate DC circuit voltage exceeds upper limit threshold | Excessive regenerative energy from motor, deceleration time too short, main voltage too high | Extend deceleration time, check supply voltage, install braking module |
| LU | Undervoltage in DC Bus | Intermediate DC circuit voltage dropped below threshold | Mains voltage failure, input supply too low, phase missing | Check supply voltage, input fuses, and AC power connections |
| OH | Heatsink Overtemperature | Inverter heatsink temperature exceeds limit | Inadequate cooling, ambient temperature too high, fan failure, dirty heatsink fins | Clean heatsink, improve enclosure ventilation, check ambient temperature |
| OH4 | Motor Overtemperature | Motor thermal sensor tripped (PTC / thermal contact) | Motor overloaded, cooling fan obstructed, continuous operation at low speeds | Check motor load, ensure sufficient motor cooling, check PTC connection |
| EE | EEPROM Memory Error | Internal EEPROM checksum error or parameter corruption | Power interruption during parameter write, internal EEPROM hardware fault | Reload factory default settings. If fault persists, internal hardware error — return unit for repair or replace unit. |
| EER | EEPROM Read Error | Inverter cannot read internal memory settings upon startup | Corrupted non-volatile memory or hardware defect | Perform parameter reset or re-download configuration. If unresolvable, internal hardware fault — replace the unit. |
| PE | Motor Phase Failure | Phase monitoring detected imbalance or loss of motor output phase | Broken motor cable, wire disconnected, output phase missing | Check wiring from inverter output U/V/W to motor terminals |
| LP | Motor Overload (I*t) | Motor load integral monitoring threshold exceeded | Motor operated above continuous rated load for extended period | Reduce motor load or select larger motor/inverter combination |
| CE0 | Communication Error | Communication breakdown on serial interface / system bus | Cable disconnected, incorrect baud rate, option module fault or loose connection | Check communication cable, module seating, and bus communication settings |
Frequently Asked Questions
What software is required to configure the Lenze 33.8201BB frequency inverter?
The unit can be configured using Lenze Global Drive Control (GDC) PC software via an EMF2102IB converter or manually adjusted using plug-in operating keypad modules such as the EMZ2101 or EMZ2102.
Can parameters be copied directly between two 33.8201BB drives without a PC?
Yes, parameter sets saved into an EMZ keypad module can be copied directly into another drive base unit using the keypad parameter transfer function.
What causes an OC1 fault code on the Lenze 33.8201BB drive?
An OC1 code indicates overcurrent during the acceleration phase, usually caused by a short circuit in the motor wiring, an over-accelerated ramp time (parameter C012), or improper motor sizing.
What communication protocols are supported by the Lenze 33.8201BB?
The drive supports fieldbus expansion modules installed in its option slot, including PROFIBUS-DP, CANopen, InterBus, and LECOM serial communication.
What should be done if an EE or EER fault code appears on startup?
An EE or EER error indicates EEPROM parameter checksum or read failure. Try executing a factory parameter reset or reloading the program file; if the error persists, an internal hardware defect is present and the drive must be repaired or replaced.
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