Diagnostic approach
Evidence first. Parts second.
A useful diagnosis starts with what the equipment should do, what it actually does and what changed before the fault appeared. Make/model information, error codes, supply measurements, control indications, component markings and clear photographs can narrow the problem before parts are ordered.
Where remote information is sufficient, CtrlOn can help with technical research, component identification and next-step checks. Where attendance is appropriate, scope and location are confirmed before work is accepted. Safety devices and regulated systems are not bypassed to keep equipment running.
Electrical and control-circuit faults
Interlocks, limit switches and sensors
Contactors, relays and operator controls
Hydraulic and pneumatic fault investigation
Component identification and replacement planning