D
Danny ValenciaSep 13, 2025
What does EPM Fault mean on Lenze AC Tech SCF?
- PPatricia LucasSep 13, 2025
An EPM Fault on your Lenze AC Tech Controller indicates that the EPM is missing or damaged.
To Next PageTo Next PageWhat does EPM Fault mean on Lenze AC Tech SCF?
An EPM Fault on your Lenze AC Tech Controller indicates that the EPM is missing or damaged.
General| Output Frequency | 0 - 400 Hz |
|---|---|
| Output Voltage | 0 - Input Voltage |
| Frequency | 50/60 Hz |
| Enclosure | IP20 |
| Protection Features | Overvoltage, Undervoltage, Overcurrent, Short Circuit |
| Communication | Modbus RTU |
| Operating Temperature | -10°C to +50°C |
| Humidity | 5 - 95% non-condensing |
Details the scope of the manual for the Lenze AC Tech SCF Series Variable Frequency Drive.
Lenze AC Tech's policy on product modifications and liability.
Outlines the warranty terms and conditions for the SCF Series AC motor control.
Instructions for inspecting equipment for damage and shortages upon receipt.
General safety precautions for operating and handling the SCF Series drives.
Provides dimensional data for the through-hole mount option of the SCF drive.
Procedure for reforming DC bus capacitors after extended storage periods.
Policy statement regarding the use of drives with explosion-proof motors.
Details the voltage input ranges and operating frequencies for SCF Series drives.
Specifies fuse and circuit breaker ratings according to NEC and local codes.
Provides AWG and mm² requirements for input power wiring.
Guidelines for meeting Electromagnetic Compatibility (EMC) standards during installation.
Instructions for wiring single-phase and three-phase input power to the drive.
Guidelines for separating control and power wiring to prevent noise interference.
Explains the function of TB-2 terminals for common connections and serial communications.
Recommends using snubber circuits or diodes to protect against surges from relays.
Refers to wiring diagrams for 2-wire and 3-wire start/stop circuits.
Describes analog speed reference inputs (0-10 VDC, 4-20 mA).
Explains how to select speed sources via terminals or keypad.
Describes open-collector outputs for drive status indications.
Illustrates the terminal strip layout and functions on the main control board.
Wiring diagram for a typical two-wire start/stop control scheme.
Wiring diagram for an alternate two-wire start/stop control scheme.
Wiring diagram for a typical three-wire start/stop control scheme.
Wiring for speed pot and preset speed control with start/stop circuits.
How to set parameter values in tenths of units, especially above 100.
Details the function and use of the removable Electronic Programming Module (EPM).
Describes how the drive's speed is displayed under various conditions.
Explains how display messages indicate changes in speed reference sources.
Lists and describes status and warning messages shown on the drive display.
Explains how to match PI mode to system control types (direct/reverse).
Discusses transducers and transmitters used for PI feedback signals.
Lists available references for adjusting the process setpoint in PI mode.
Lists parameters specific to the PI Setpoint Control option.
Details the PI-specific parameters and their functions.
Describes additional parameters related to PI functionality and outputs.
Provides wiring examples for common PI control configurations.
Explains how to tune the PI control loop for optimal performance.
Lists additional status messages specific to the PI option.
