VFD Testing & Analysis

Motor drive service & troubleshooting

Variable-frequency drives (VFDs) control motors used in pumps, air handlers, chillers, conveyors and other equipment. CHI Electric provides drive testing and troubleshooting to evaluate operating issues and support maintenance.

Drive services

• On-site troubleshooting and urgent service inquiries
• Drive startup support and operator training
• Harmonic analysis
• Preventive maintenance and calibration
• Programming review and analysis

Testing & operating checks

• AC input voltage and output load voltage
• Line current and load current
• Output frequency to the motor
• DC bus voltage
• Drive program settings and operating parameters

Discuss your drive application

Provide the drive model, motor information and a description of the operating issue. This information helps us define the service requirements.