Lenze 33.8603 E.5C.60.V001 1.5kW Frequency Inverter 00378476
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Product Information
The Lenze 33.8603 E.5C.60.V001 (model number 00378476 5/7238/41250) is a 1.5 kW AC frequency inverter belonging to the Lenze 8600 family and 8600 E series. Designed for speed control of standard 3-phase asynchronous induction motors in conveyor belts, material handling systems, industrial pumps, and fans, this drive operates on a 3-phase rated input voltage of 400 V AC to 480 V AC, with a wide line voltage tolerance ranging from 320 V AC to 528 V AC. It delivers a continuous rated output current of 3.9 A with a mains input current of 4.3 A across an output frequency spectrum of 0 to 480 Hz using linear or quadratic V/f characteristic control. The unit features an IP20 protection rating for cabinet mounting.
For connection into machine control systems, the inverter provides integrated screw terminals for standard control I/O alongside a dedicated automation option slot. This slot accommodates optional plug-in fieldbus modules including PROFIBUS-DP, INTERBUS, and LECOM-A or LECOM-B (RS232/RS485). Commissioning a replacement drive requires configuring parameter settings to match the installed motor and fieldbus profile. Parameters are stored in non-volatile EEPROM memory and can be transferred using the pluggable Lenze 2102 LI Keypad or Lenze Global Drive Control (GDC) PC software over a serial link. Swapping in a spare unit requires cloning or downloading these parameters, with technical support available from ABC Industrial Parts for parameter extraction and drive configuration.
Diagnostic feedback is visible through onboard front-panel LEDs, including Green (Ready), Red (Fault / TRIP), and Yellow (Warning), indicating operational status, active drive trips, or current limits. Detailed troubleshooting is supported through numeric TRIP codes displayed on the 2102 LI keypad screen, live monitoring in Global Drive Control software, and internal fault memory. Fault conditions like heatsink overtemperature (OH), DC bus overvoltage (OU), undervoltage (LU), or overcurrent (OC1-OC5) indicate external load, supply, or wiring issues to inspect. Hardware faults, such as EEPROM checksum failure (EE) or internal electronic failure (H05), are not field-serviceable, making drive repair or a tested replacement unit from ABC Industrial Parts the most reliable path back to production.
Technical Specifications
| Manufacturer | Lenze |
| Part Number | 33.8603 E.5C.60.V001 |
| Model / Type | 00378476 5/7238/41250 |
| Component Type | AC Frequency Inverter |
| Product Family | Lenze 8600 |
| Series | Lenze 8600 E |
| Rated Power | 1.5 kW |
| Supply Voltage | 3x 400 / 480 V AC |
| Supply Voltage Range | 320 V AC to 528 V AC |
| Mains Input Current | 4.3 A |
| Continuous Output Current | 3.9 A |
| Output Frequency Range | 0 Hz to 480 Hz |
| Control Method | V/f characteristic control (linear / quadratic) |
| Protection Rating | IP20 |
Programming and Configuration
Configuration of the Lenze 33.8603 E.5C.60.V001 inverter is carried out using Lenze Global Drive Control (GDC) PC software or via the pluggable 2102 LI Keypad operating module. System integrators can adjust operational parameters including linear or quadratic V/f characteristics, acceleration and deceleration ramp times, minimum and maximum output frequencies, and motor thermal overload thresholds.
All parameter settings are stored in non-volatile internal EEPROM memory. During maintenance or replacement, parameter sets can be copied directly to a 2102 LI Keypad module or uploaded to a PC running GDC software. Transferring the saved configuration file to a spare drive restores original operational behavior without manual parameter entry.
Communication and System Integration
The inverter combines integrated terminal strips for hardwired control signals with an automation option slot for fieldbus integration. This slot accepts optional communication modules, allowing the unit to connect directly to higher-level PLC systems and distributed control networks.
Compatible communication options include PROFIBUS-DP, INTERBUS, and LECOM-A / LECOM-B serial interfaces (RS232/RS485). Network parameters such as node address and communication baud rate are configured within the drive's internal parameters or via card switches, enabling remote control commands, setpoint adjustments, and real-time status monitoring.
Diagnostics and Status Indication
The front panel features three status LEDs that provide visual indication of the drive's operating state. Diagnostic parameters and TRIP codes can also be accessed via an attached 2102 LI Keypad or through the Global Drive Control (GDC) software interface.
An internal fault history log stores past TRIP codes for analysis. In addition, a configurable relay output can be wired into external control circuits to trigger alarm signaling whenever a TRIP condition occurs.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready | Green - Solid / Blinking | Solid = normal operation; Blinking = controller inhibit or drive ready state |
| Fault / TRIP | Red - Solid | TRIP fault active |
| Warning | Yellow - Solid | Warning state, current limit reached, or controller operation active |
Replacement and Spare Part Considerations
When selecting a replacement for a Lenze 33.8603 E.5C.60.V001 (model 00378476 5/7238/41250), verify that the spare unit matches the 1.5 kW rating, 3.9 A continuous output current, and input voltage requirements. Ensure that any option module installed in the automation slot (such as a PROFIBUS or LECOM card) is transferred to the replacement drive prior to installation.
Because a spare drive will contain default factory parameters, parameter data must be reloaded before starting the motor. Transfer the parameter set using a saved backup in Global Drive Control (GDC) software or via a 2102 LI Keypad module. Confirm fieldbus node addresses and motor nameplate parameters prior to applying main power.
Error Codes & Fault Codes
The following error codes may be displayed during operation or diagnostics:
| Code | Name | Description | Possible Cause | Recommended Action |
|---|---|---|---|---|
| OH | Heatsink Overtemperature | Heatsink temperature exceeded permissible limit. | Insufficient cooling, ambient temperature too high, fan failure, dirty heatsink fins. | Check cabinet ventilation, clean cooling fins, check ambient temperature, ensure sufficient clearance around drive. |
| OH4 | Motor Overheat | Motor PTC sensor triggered thermal overload trip. | Motor overload, motor fan failure, PTC sensor open circuit or shorted. | Check motor load, inspect motor ventilation, measure PTC sensor resistance across control terminals. |
| OU | DC Bus Overvoltage | DC bus voltage exceeds maximum upper safety limit. | Excessive regenerative energy during deceleration, deceleration ramp time too short, brake chopper/resistor missing or overloaded. | Extend deceleration time (Ti/Td), check brake chopper/resistor connections, check mains input voltage stability. |
| LU | DC Bus Undervoltage | DC link voltage dropped below minimum operational threshold. | Mains supply failure, phase loss, severe line voltage dip, defective internal power supply. | Check AC supply voltage across all three incoming phases, inspect input fuses and line contactor. |
| OC1 | Short Circuit / Overcurrent | Instantaneous peak overcurrent detected at motor output terminals. | Short circuit in motor cable or motor winding, earth/ground fault, motor shorted internally. | Disconnect motor cables and test insulation resistance (Megger), check motor windings for short circuit, check cable routing. |
| OC2 | Overcurrent During Acceleration | Output current exceeded trip limit during motor speed acceleration. | Acceleration time too short, mechanical load blocked or too heavy, incorrect motor parameters set in drive. | Increase acceleration time ramp, check mechanical load for jamming, verify V/f curve and motor nameplate parameters. |
| OC3 | Overcurrent During Deceleration | Output current exceeded trip limit during motor speed deceleration. | Deceleration time too short, high load inertia, mechanical jam during stop. | Increase deceleration ramp time, adjust braking parameters or install braking module/resistor. |
| OC5 | Inverter Overload (I x t) | Continuous high current load exceeded thermal limit of inverter power semiconductors. | Drive undersized for motor load, duty cycle too demanding, continuous overload. | Check motor current against drive rated output current, reduce mechanical load, upscale inverter rating if necessary. |
| EE | EEPROM Fault / Memory Error | Internal EEPROM checksum error or parameter corrupted. | Power interruption during parameter saving, internal memory failure, electrical noise interference during write. | Perform factory default reset and reload parameter backup set. Internal hardware fault — if reset fails, unit requires repair or replacement. |
| CE0 | Communication Fault (LECOM / Fieldbus) | Loss of communication via fieldbus or serial interface module. | Bus connection broken, baud rate mismatch, cable disconnected, master controller offline. | Check bus cable connections, inspect fieldbus status LEDs, verify baud rate and node address settings. |
| NMAX | Maximum Speed Exceeded | Actual motor speed exceeded configured maximum output threshold. | Uncontrolled load overspeeding motor, encoder/feedback problem, incorrect parameter setting. | Check mechanical load braking, inspect feedback wiring, verify maximum speed limits in configuration. |
| H05 | Internal Hardware Error | Internal controller board hardware fault detected during self-test. | Internal electronic component failure, power board failure, control board fault. | Internal hardware fault — return unit for repair or replace the unit. |
Frequently Asked Questions
How do I transfer parameters to a replacement Lenze 33.8603 E.5C.60.V001 inverter?
Parameters can be saved and transferred using a plug-in Lenze 2102 LI Keypad module or by backing up the EEPROM configuration file using Lenze Global Drive Control (GDC) PC software over a serial link.
Which fieldbus modules can be used with the Lenze 33.8603 E.5C.60.V001?
The integrated option slot supports communication modules including PROFIBUS-DP, INTERBUS, and LECOM-A / LECOM-B (RS232/RS485).
What causes an EE trip code on the Lenze 33.8603 E.5C.60.V001 drive?
An EE fault code indicates an internal EEPROM memory checksum error or corrupted parameters, typically caused by power loss during parameter saving or severe electrical noise.
What is the allowable supply voltage range for this drive?
The rated input voltage is 3x 400 V AC to 480 V AC, with an allowable operating range of 320 V AC to 528 V AC.
What does a blinking Green LED indicate on the front panel?
A blinking green Ready LED indicates that the inverter is in a controller inhibit or drive ready state, while a solid green LED indicates normal running operation.
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