Technical Support for Wolong Variable Frequency Drives

Professional VFD support from product selection and commissioning to troubleshooting, maintenance and lifecycle service.

Request Technical Support

Reliable Support Throughout Your VFD Lifecycle

At Wolong, we understand that industrial customers need more than reliable products. Our technical support team provides complete assistance for Variable Frequency Drives, helping customers achieve stable operation, efficient performance and reduced downtime.

Engineering Expertise

Our engineers provide professional guidance for VFD selection, application analysis and system integration.

Fast Technical Response

Remote assistance, troubleshooting and technical consultation help customers solve operational challenges quickly.

Industrial Application Support

Solutions are customized for pumps, fans, compressors, conveyors and complex industrial processes.

Pre-Sales Technical Support

Choosing the correct variable frequency drive is essential for achieving energy efficiency and reliable operation.

Professional VFD Selection Guidance

Motor and drive matching
Application requirement analysis
Power rating selection
Control mode recommendation
Energy-saving solution evaluation
Technical documentation support

Complete Project Solution Support

Industrial automation consultation
System architecture design
Communication solution planning
PLC and SCADA integration advice
Customized VFD solutions

Project & Production Support

Wolong provides professional coordination throughout the project execution process.

Dedicated Engineer

Professional project communication and technical follow-up.

Production Updates

Customers receive important project progress information.

Factory Testing

Strict quality inspection before shipment.

Technical Documents

Complete manuals and product information.

Installation & Commissioning Support

Correct installation and commissioning are essential for maximizing VFD performance and ensuring long-term reliability.

Professional Commissioning Assistance

Installation guidance
Parameter configuration
Motor and drive testing
Communication setup
PLC and SCADA integration
Performance optimization

Remote & On-Site Support

Remote technical assistance
Online troubleshooting
Application diagnosis
Industrial system support
On-site service for special projects

VFD Troubleshooting & Maintenance Support

Our engineers help customers identify problems quickly and maintain stable equipment operation.

Fault Diagnosis

Technical analysis for common VFD issues including:

Overcurrent faults
Overvoltage protection
Overload alarms
Communication errors
Motor-related problems

Maintenance Guidance

Support for:

Preventive maintenance
Parameter backup
Drive inspection
Spare parts recommendations
Operation optimization

Performance Improvement

Our team assists customers with:

Energy efficiency improvement
Operating parameter optimization
System reliability enhancement
Production downtime reduction

After-Sales Service

Wolong provides continuous support after product delivery to ensure reliable long-term operation.

Technical Consultation

Professional assistance for operational questions.

Spare Parts Support

Reliable support for maintenance requirements.

Training Service

Operator and maintenance training support.

Warranty Protection

Standard warranty and lifecycle service.

Technical Support Across Global Industries

Wolong VFD solutions and technical services support a wide range of industrial applications worldwide.

Water Treatment

Oil & Gas

Mining

Manufacturing

Frequently Asked Questions

Our engineers evaluate motor power, application requirements, load characteristics and control methods to recommend the most suitable variable frequency drive solution.

Yes. Wolong provides installation guidance, parameter setup, commissioning assistance and remote technical support.

Wolong VFD solutions support industrial communication and integration with automation systems including PLC and SCADA platforms.

Contact Wolong Technical Support

Need assistance with VFD selection, installation, commissioning or troubleshooting? Our technical team is ready to help.

Technical Support Hotline:
+86 13609288011

Contact:
Bruce Zhang

Email:
[email protected]

Address:
Zhejiang Province, China

Service available 24/7 including holidays.

About Us Wolong Culture History Company Photos Wolong Group
Products Low Voltage VFD Medium Voltage VFD High Voltage VFD OEM VFD Solutions VFD Selection Guide
Applications Cement Industry Mining & Metallurgy Thermal Power Generation Petrochemical Industry Wastewater Treatment Other Industries Case Studies
LINKS Wolong Group Wolong

Be the first to know about our new product launches, latest blog posts and more.

Founded in 1984, Wolong is a global leader in motor and drive technology, providing safe, efficient,...

Any question or request?

Click below, we’ll be happy to assist. Contact Us

Support