Skip to content 
VFD & Controlgear:
Retrofit Solutions
Expert VFD Repair & Troubleshooting Services for Optimal Performance
Diagnosing VFD Issues
Systematic Troubleshooting
Display Status
If the display does not operate, first verify the incoming AC power. If AC power is present but the display remains inactive, check and restore control power if necessary.
Fault Indication
If the VFD fails to start or runs improperly, consult the diagnostics status display for fault codes. Refer to the VFD's instruction manual for descriptions and troubleshooting steps related to these faults.
Parameter Monitoring
Use the VFD’s diagnostics or keypad controls to monitor variables such as incoming voltage, DC bus, carrier frequency, output frequency, voltage, current, and I/O and control status. This information helps in identifying the problem.
Display Status
If the display does not operate, first verify the incoming AC power. If AC power is present but the display remains inactive, check and restore control power if necessary.
Fault Indication
If the VFD fails to start or runs improperly, consult the diagnostics status display for fault codes. Refer to the VFD's instruction manual for descriptions and troubleshooting steps related to these faults.
Parameter Monitoring
Use the VFD’s diagnostics or keypad controls to monitor variables such as incoming voltage, DC bus, carrier frequency, output frequency, voltage, current, and I/O and control status. This information helps in identifying the problem.
I/O Status
Monitors start conditions and determines any issues preventing startup.
Control Status
Indicates the source of speed references and verifies incoming speed or direction signals.
Key Parameters to Check
Preventive Maintenance
Key practices include:
Preventive Maintenance
Key practices include:
I/O Status
Monitors start conditions and determines any issues preventing startup.
Control Status
Indicates the source of speed references and verifies incoming speed or direction signals.
Key Parameters to Check
Our Services
We specialize in VFD repair and rectification services tailored to meet your operational needs. Our expert technicians offer prompt and efficient diagnostics, repairs, and preventive maintenance to ensure your VFDs operate at peak performance. We provide a comprehensive service that includes troubleshooting, parts replacement, and ongoing support to keep your systems running smoothly.
