Power Supply Repair
Industrial power supply and drive line module repair for Canada and the USA
- Free evaluation
- 24–72 hr typical
- 12-month warranty
- Tested on our jigs
Short answer
Can an industrial power supply be repaired?
Yes. Most industrial power supplies and drive supply modules can be repaired at component level, usually by replacing failed capacitors, switching transistors, rectifiers and control parts. We test the repaired supply under load before it ships back with a test report and a 12-month warranty.
What we repair
What we repair on a power supply
Switch-mode supplies
24 V and control supplies that are dead, noisy or dropping out.
Drive line & supply modules
Infeed and supply modules that feed the drive DC link.
Capacitors
Aged, leaking or bulging capacitors that cause ripple and resets.
Rectifiers & pre-charge
Input bridges, pre-charge circuits and contactors.
Regenerative circuits
Regenerative and braking circuits on supply modules.
Protection & fans
Fuses, protection circuits and cooling fans.
Diagnosis guide
Common power supply faults we fix
No output or output LED off
Failed switching transistor, controller IC or input fuse
Undervoltage or pre-charge fault on the drive
Failed pre-charge circuit, rectifier or line module
DC link overvoltage
Regenerative or braking circuit fault, or voltage sensing failure
Machine resets or drops out at random
Aged capacitors causing ripple or an unstable output
Quality
How we test every repaired power supply
Parts replaced is not the same as fixed. Every unit is proven under power before it leaves our Mississauga, Ontario repair centre.
- 01
Photos and condition report on arrival
- 02
Root cause found before we quote
- 03
Tested under load on our bench
- 04
Test report ships with every supply
All makes & models
We repair every power supply brand
We repair power supplies from any manufacturer, current or obsolete. These are some of the brands and series we see most often. If yours isn't listed, we still repair it.
Siemens
- SITOP
- SINAMICS line modules
- SIMODRIVE 611 supply modules
Fanuc
- αi PSM power supply modules
Rexroth Indramat
- HVE / HVR supply modules
Any brand. Any model.
Allen-Bradley · Phoenix Contact QUINT · TDK-Lambda · Sola · 1,000+ brands
Don't see yours? Ask a technician
Brand names are trademarks of their owners and are used only to identify the equipment we repair.
Your options
Repair, exchange or replace?
Repair your unit
Your original unit, repaired at component level and tested. Usually a fraction of the price of new.
Request a RepairExchange unit
A tested replacement at a lower price. Ship us your unit and we ship the replacement once it arrives.
Ask About ExchangeReplacement part
New, surplus or refurbished, sourced from 1,000+ brands, including discontinued parts.
Request a QuoteFAQ
Power supply repair questions
Do you test power supplies under load?
Yes. Every repaired power supply is tested under load before it ships, and a test report ships with the unit.
How long does power supply repair take?
Typical turnaround is 24–72 hours once you approve the quote.
Is the evaluation free?
Yes. We test the supply, find the root cause and send a written quote. No work starts without your approval.
What warranty comes with a power supply repair?
Every power supply repair comes with a 12-month warranty.
Power supply down? Let's get it running again.
Free evaluationNo work without your approval12-month warranty

