Ref: 10414141-R
- Introduction
SayPro seeks to appoint a qualified and experienced service provider to assess and conduct fault finding on a 20 WEG Variable Speed Drive (VSD) installed on a pump set located in Engine Room 4. The VSD is currently tripping on DC Link Over Voltage, resulting in operational disruptions. The appointed service provider will be required to conduct diagnostics, repair the fault, update the VSD software where applicable, and perform calibration to restore optimal functionality.
- Background
The WEG VSD in question plays a critical role in controlling pump operations and ensuring energy-efficient functionality within Engine Room 4. However, recent incidents of frequent tripping on DC Link Over Voltage have necessitated immediate technical intervention. SayPro requires a comprehensive and prompt technical response to restore system stability and reliability.
- Scope of Work
The selected service provider will be responsible for the following tasks:
Conduct a site visit and perform an in-depth assessment of the 20 WEG VSD on the pump set.
Diagnose and identify the root cause of the DC Link Over Voltage tripping issue.
Repair and replace faulty components as necessary.
Update the VSD firmware/software to the latest compatible version (if applicable).
Perform full calibration of the VSD to ensure efficient and safe operation.
Provide a detailed service report, including findings, actions taken, and recommendations.
- Objectives
The objectives of this intervention include:
Restoration of stable and continuous operation of the pump set VSD.
Elimination of DC Link Over Voltage tripping events.
Improved efficiency and longevity of the VSD and related pump system.
Compliance with operational and safety standards.
- Minimum Requirements for Service Providers
Interested service providers must:
Be an accredited or authorized service partner for WEG VSDs.
Have proven experience in fault diagnosis and repair of industrial VSD systems.
Provide qualified and certified technicians with appropriate tools and diagnostic equipment.
Offer a short turnaround time for response and service delivery.
Provide post-repair testing and commissioning.
- Deliverables
On-site fault assessment report.
Repair and replacement of faulty components (if any).
Software update and calibration report.
Final commissioning and functionality verification.
Full service report with recommendations for ongoing maintenance.
- Timeline
Service provider is expected to respond within 24–48 hours of appointment. All works must be completed within a reasonable timeframe to avoid extended downtime.
- Evaluation Criteria
Proposals will be evaluated based on:
Relevant experience with WEG VSDs
Technical approach and methodology
Lead time and availability
Cost competitiveness
Warranty and post-service support
- Submission Requirements
Interested providers must submit:
Company profile with relevant project experience
Proof of WEG certification or OEM authorization
Quotation with itemized cost breakdown
Availability and lead time for service delivery
Copies of relevant technician certifications
Proposals must be submitted to:
SayPro Procurement Office
Email: [info@saypro.online]
Phone: [011 071 1903]
Deadline for submissions: [6 May 2025]
- Contact Information
For queries or clarification:
SayPro Facilities & Technical Services
Email: [info@saypro.online]
Phone: [011 071 1903]
Website: www.saypro.online
- Conclusion
SayPro invites competent and qualified service providers to submit proposals for the assessment, repair, software update, and calibration of the 20 WEG VSD in Engine Room 4. The goal is to promptly restore the system to full operational status and prevent future disruptions.
We look forward to receiving your proposal.
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