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VFD REPAIR & REFURBISHMENT

Danfoss VLT drive repair and refurbishment.

Component-level repair and refurbishment for Danfoss VLT drives. Engineer diagnostics, no fix no fee, UK-wide courier.

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Overview

Danfoss drives

Danfoss VLT drives are installed extensively in UK manufacturing, water treatment, and HVAC systems. We carry out component-level refurbishment across the VLT range — from legacy VLT 2800 and VLT 5000 units to current FC302 and FC102 drives.

Expertise

Common faults we fix on Danfoss drives

  • Power card failure — particularly in the FC302 and FC102 ranges where the power card integrates the IGBT gate drivers and DC bus measurement

  • Electrolytic capacitor degradation on the DC bus — a known wear-out mechanism on older VLT 2800 and VLT 5000 drives

  • Cooling fan failure on larger frame sizes, causing thermal derating trips

  • LCP (local control panel) and keypad faults preventing parameter access and fault clearance

Danfoss models

Models we service

Select a model below for model-specific repair information.

Process

How it works

  1. 1

    Send details

    Share the drive model, fault symptoms, and any photos or error codes.

  2. 2

    Diagnostics

    Bench diagnostics isolate the fault and scope the repair.

  3. 3

    Repair, Refurbish & Test

    Component-level repair and thorough refurbishment with outcomes tested before return.

  4. 4

    Return to service

    Confirmed results and return logistics for your drive.

Why Electron Lab

Why Electron Lab

  • Engineer-led bench diagnostics
  • Component-level repair and rework
  • Tested Before Return
  • Clear, fast quoting
FAQ

Danfoss drive repair FAQs

Do you repair legacy Danfoss VLT 2800 and VLT 5000 drives?

Yes. These older drives are no longer manufactured, but we can carry out component-level repairs. We review parts availability before confirming the scope of work.

Can you replace the power card in a Danfoss FC302?

Yes. Power card replacement is a common repair on the FC302 range. We source compatible cards and carry out full functional testing before return.

Do you service Danfoss VLT drives used in HVAC applications?

Yes. We regularly refurbish FC102 HVAC drives used in pump and fan applications. HVAC drives often run at lower switching frequencies, but component wear still occurs over time.

What warranty do you offer on Danfoss drive repairs?

We provide a 2-year warranty on all completed repairs. This covers the entire refurbished unit, giving you confidence in the repaired drive.

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