Fault diagnosis guides
Free, practical guides drawn from the same diagnostic logic built into FaultFinder Pro. No sign-up needed to read these — they're here to help, whether or not you ever use the tool.
Excavator or Digger Won't Start — One Click, No Crank
A step-by-step approach to diagnosing a single loud click with no crank, from battery check to solenoid main feed voltage drop.
Plant Machinery Overheating — Full Diagnostic Checklist
The nine checks that cover almost every overheating cause, from coolant leaks to a proper pressure test.
Diesel Engine Loss of Power — Where to Start Looking
How to tell an engine fault from a hydraulic loading fault, and the order to check air, fuel, turbo and boost.