Industrial electronics
Variable frequency drives, switched-mode supplies, controllers and machine power boards. What the manufacturer quotes as a months-long spare part, here is a repair.
Industrial electronics repair
Written off
by everyone else
Engineers and technicians repairing industrial electronics at component level for over twenty years. Real diagnosis, documented repair, and the unit goes back only once it passes testing.
How we work
Three steps, and the third one decides
A unit is not repaired because it powers up again. It is repaired when it holds under load long enough for an intermittent fault to show itself. That is the step almost nobody shows you.
Control stage Power supply Interface 
Replaced component Recovered stage 
Under load Signal verified - 01
Diagnosis
Find the fault, do not guess it
Every unit goes on the bench before anyone touches it. Supply, signal, current draw and temperature, measured point by point against what the circuit should be doing. The component that failed is rarely the one that burnt: it is the one that burnt it.
- 02
Repair
At component level
We replace what failed, not the whole board. SMD, QFP and BGA under the microscope, with hot air stations and precision soldering. If the part is obsolete we source the equivalent and document the substitution.
- 03
Validation
It only goes back if it works
The board returns to the bench and is tested under working conditions: under load, hot, and for long enough that an intermittent fault appears. It ships with those test results.
Sectors
Where we work
Industrial electronics changes its housing depending on the sector, but the fault is the same one: a power stage, a supply, a driver. What changes is what each environment demands of it.
-
-
Medical
Electronics for hospital equipment. Traceability of every part replaced and documented validation before the unit goes back.
-
Rail
On-board control, power and interface modules. Industrial connectors, train buses and electronics that has to survive vibration and temperature.
-
Automotive electronics
ECUs, body control modules, lighting modules and drivers. What a new ECU costs has nothing to do with what repairing it costs.
-
3D printing and prototyping
Housings, jigs, adaptations and functional prototypes. 3D printing as a repair tool, not as a service on its own.
CMOX Engineering
Sectors
Medical
Electronics that saves lives
- Hospital equipment We repair critical equipment and extend its working life.
- Maximum reliability Electronics certified and tested to strict standards.
- Safety and quality Controlled processes to safeguard patient safety.
- Full traceability Complete documentation and control of every intervention.
CMOX Engineering
Capabilities
Micro-soldering
Precision down to the micron
We work where others cannot reach: component-level repair under advanced microscopy.
- Advanced microscopy Inspection and work at magnifications up to 50×.
- Micro-soldering High-precision stations for flawless results.
- Component-level repair Replacement of integrated circuits, passives and BGA.
- Guaranteed quality Controlled processes, traceability and functional testing.
CMOX Engineering
Capabilities
Signal analysis
We understand what others cannot see
Deep diagnosis to find faults, validate designs and improve performance.
- Precise measurement High-resolution oscilloscopes and differential probes.
- Advanced analysis FFT, harmonics, jitter, noise and spectrum.
- Validation and debugging We verify behaviour under every working condition.
- Reports and results Clear, actionable technical documentation.
CMOX Engineering
Thermal diagnosis
Thermal analysis
Detect, analyse, prevent
A component running hotter than it should is already failing, even if it still works. The thermal camera finds it before it breaks for good.
- Hot spot detection Precise temperature readings on the board while running.
- Preventive diagnosis We identify the problem before it causes the failure.
- Performance optimisation Better reliability and efficiency from the equipment.
- Technical reports Detailed data and documentation for every inspection.
The workshop
This is where it happens
Instrumentation, microscopy, soldering stations and part manufacturing, all in one place. Hover over the points to see what is in each area.
Case study
Real repair, real results
From critical failure to full performance
A high-power industrial drive was suffering intermittent faults and unexpected shutdowns. We diagnosed the problem, repaired it at component level and returned a fully operational unit to the customer.
- Equipment
- High-power industrial drive
- Fault
- Intermittent faults and unexpected shutdowns
- Work done
- IGBTs, drivers and BGA solder rework
- 01
Advanced diagnosis
Thorough analysis with precision instrumentation to find the root cause.
- 02
Component-level repair
Replacement of IGBTs, drivers and critical parts. BGA solder rework.
- 03
Testing and validation
Full functional test under load, thermal check and signal analysis.
- 04
Unit recovered
Back to 100 %. Full replacement avoided and downtime cut.
- −0%
- Saved against buying new
- −0days
- Less production downtime
- 0%
- Operational after validation
Repair before you replace
Repair > Replace
Repairing a unit costs a fraction of replacing it, and it arrives sooner than a spare part you have to order from abroad. That it also avoids a discarded unit and a new one being built is the part that never shows up on the quote, but counts all the same.
Send us the model and what it is doing. If it can be fixed we will tell you; and if it cannot, we will tell you that too.
Contact
Tell us what failed
Send us the model and what it is doing. We will look at whether it can be fixed and get back to you. If it cannot, we will say so.