Editorial Team
Every fix guide on this site is written or reviewed by a credentialed technician in the relevant trade. No AI shovel-ware, no rewritten manuals — guides come out of hands-on field experience and OEM service documentation.
3,515 guides published by named technicians
- DK
Dana Kowalski
Industrial Controls & VFD Specialist
Certified Automation Professional (CAP)
VFDs, PLCs, CNC servo and spindle systems
1,258 guides View profile → - MW
Marcus Webb
HVAC & Refrigeration Lead
EPA 608 Universal · NATE Certified
Residential and commercial HVAC, refrigerants, controls
1,218 guides View profile → - JR
James Rutherford
Commercial Kitchen Equipment Editor
CFESA Certified · 18 years field experience
Ice machines, combi ovens, fryers, commercial dishwashers
1,039 guides View profile →
How we work
- Manufacturer-first sourcing. Every error code and parameter is checked against OEM service literature before it reaches publication.
- Field-tested diagnostics. Our authors have collectively worked on every brand we cover. Diagnostic steps reflect what actually finds the root cause, not what fills page count.
- Specific over generic. "Replace the board" isn't a fix. We list voltage and resistance test ranges, microamp targets, and OEM part numbers wherever they apply.
- Independent. No manufacturer pays us to recommend their parts. When we link to a part, the recommendation is editorial.