Multi-brand
VFD / AC Drive Repair — ABB, Yaskawa, Danfoss, Mitsubishi, Eaton (up to 25 HP) — Mail-In
Component-level repair for AC drives up to 25 HP across major brands: ABB ACS series, Yaskawa V1000/A1000, Danfoss VLT, Mitsubishi FR, Eaton, Fuji, Hitachi, Delta. Free evaluation, typical repairs $300–$900.
Coverage: ABB ACS150/355/550 · Yaskawa V1000/A1000/GA · Danfoss VLT/FC · Mitsubishi FR · Eaton · Fuji · Hitachi · Delta — up to 25 HP
✓Fixed — or it's free
Unrepairable units are refunded; evaluations cost $0
✓24-month warranty
Every repair covered, parts and labor
✓3–5 business days bench time
Rush (1–2 day) and emergency service available
✓Program preserved
Your application and settings stay in the unit
Symptoms this repair fixes
- ✓Overcurrent / ground fault trips
- ✓Dead drive
- ✓DC bus faults
- ✓Display/keypad failures
- ✓Fan failures and overtemp trips
Honest limits
- ✕Drives over 25 HP at launch
- ✕Motor-side faults
What you get
- ▸Free evaluation and firm quote
- ▸IGBT / rectifier / bus-capacitor replacement
- ▸Precharge and control repair
- ▸Powered test with motor load appropriate to frame
- ▸24-month warranty
Typical families
Part-number pages for this service
Ship your unit to
USPS
Control Board Lab
PO Box 120241
Arlington, TX 76012
UPS / FedEx
Control Board Lab
1009 Oakwood Ln # 120241
Arlington, TX 76012
Write your RMA number on the outside of the box and include it on a note inside. Units over 50 lb (large VFDs, spindle drives, industrial PCs in enclosures) ship by freight — contact us before ordering and we will arrange dock-to-dock shipping.
Frequently asked questions
My drive brand isn't listed — can you still look at it?
Almost certainly, if it's 25 HP or under. Use the part-number search or the quote form with your model number and we'll confirm before you ship anything.
Start with a free evaluation
Ship it in, get a firm quote, approve before any work — pay nothing if it can't be repaired.
The Fixed-or-Free Guarantee: if we can't repair it, you don't pay for the repair.
Call (817) 799-7332 · 📱 Text us a photo of your unit · Email repairs@controlboardlab.com