Thank you for choosing DELTA’s high-performance VFD-M-D Series. The VFD-M-D Series is manufactured with high-quality components and materials and incorporate the latest microprocessor technology available. This manual is to be used for the installation, parameter setting, troubleshooting, and daily maintenance of the AC motor drive. To guarantee safe operation of the equipment, read the following safety guidelines before connecting power to the AC motor drive. Keep this operating manual at hand and distribute to all users for reference. To ensure the safety of operators and equipment, only qualified personnel familiar with AC motor drive are to do installation, start-up and maintenance. Always read this manual thoroughly before using VFD-M-D series AC Motor Drive, especially the WARNING, DANGER and CAUTION notes. Failure to comply may result in personal injury and equipment damage. If you have any questions, please contact your dealer. PLEASE READ PRIOR TO INSTALLATION FOR SAFETY.
This manual covers all aspects of the VFD-M-D series AC motor drive, including safety guidelines, proper grounding, and wiring procedures. It explains how to install the drive, configure parameters, and operate the digital keypad LC‑M2E.
Additional sections detail troubleshooting common faults such as over‑current, over‑voltage, and motor stalls, as well as maintenance, inspection, and accessory information. Appendices provide specifications, accessory dimensions, and guidance for selecting the appropriate motor drive for various applications.
| Voltage Range | 1‑phase 230 V, 0.4 kW |
|---|---|
| Rated Voltage | < 240 V |
| Mains Supply Current Capacity | < 5000 A RMS |
The troubleshooting section lists Over Current (OC) as fault code 5.1, indicating the drive has detected an over‑current condition.
The keypad LC‑M2E provides a user interface for operating the VFD‑M‑D, including parameter entry and status display.