A machine troubleshooting assistant that ends hit-and-trial

A technician describes the fault out loud, in English or Urdu. The assistant pins down the symptom, checks the machine's knowledge base and past fixes, tests the most likely cause first, and only then lets a part be replaced. Every call becomes a ticket in the machine's history.

One database per machine: Alarm codes, known faults in check order, and the full breakdown history of that exact machine, not a generic manual.

Every past fault, with its fix: What went wrong before, what was checked, what the cause was and what fixed it. "Same alarm in June, blocked cooler fins."

Grows with every call: Each call ends as a ticket in the machine's history. Nothing is written up later or forgotten; the database builds itself as faults come in.

Knowledge stays in the plant: When a technician leaves or changes shift, what they learned about the machines stays in the system.

Parts replaced on a guess: A sensor, a belt, a valve: swapped to "see if it helps". The fault stays, the part is wasted, and the real cause is hidden for longer.

Settings changed and never put back: Two or three changes stack up. Nobody knows which one mattered, and the machine runs off its set values for months.

Alarms reset instead of understood: The alarm clears, the line restarts, and the same alarm comes back worse next week.

Knowledge in one person's head: The technician who fixed it last time is on another shift. The fix is found again from scratch.

1. Make it safe: Stop the machine, lockout, protective equipment, and tell the line supervisor it is down.

2. Pin down the symptom: What it does, the alarm code, constant or intermittent, when it started, and what changed just before.

3. Check the knowledge base: Alarm codes, known faults and this machine's past fixes. If it was fixed before, it says how.

4. Most likely cause first: The quickest, safest check that matches what changed, then the next. Halves a long chain instead of walking it.

5. Confirm, then replace: A reading, a visible defect or a test that isolates the fault, before any part is swapped. One change at a time, put back if it did not help.

6. Prove it and close it: Run under normal load, check the symptom is gone, find why it failed, and write the ticket with a follow-up so it does not come back.

1. Component fault tables: Public, authoritative tables for the parts inside most machines: drive and PLC fault codes (Siemens, Rockwell, ABB), compressor and chiller diagnostics, bearing and belt damage guides.

2. Your machine manuals: The alarm lists and troubleshooting chapters from the OEM manuals in your own documentation packs, loaded machine by machine.

3. Your breakdown history: Your work orders and shift logs, turned into symptom, cause and fix for each machine. This is what makes "same alarm in June" possible.

One shared vocabulary: Failure modes, mechanisms and causes follow the ISO 14224 taxonomy and map to your maintenance system's codes, so tickets land where your team already works.

AC-01 · Screw air compressor: Try: "AC-01 trips on H-02 high temperature", or "pressure drops when the line is running".

CV-03 · Product conveyor: Try: "The belt keeps tracking to one side", or "C-04 motor overload alarm".

CH-02 · Process chiller: Try: "Supply water is warmer than the set point", or "L-01 low flow alarm".

TP-01 · Tablet press: Try: "Tablets are capping", or "alarm E-12 is showing".

BP-02 · Blister packing machine: Try: "Blisters are failing the leak test", or "print is out of register".

Lockout before hands-on: Every hands-on check starts with stopping the machine and lockout/tagout under your procedure.

Never bypasses safety: It refuses any request to bypass, jumper or disable an interlock, guard, alarm or sensor, and never allows running with a guard off.

Stops for danger: Injury, fire, smoke, sparking, or a gas or steam leak: stop, get clear and follow the site emergency procedure.

Qualified people only: Electrical panels, drives, steam, gas, pressure and refrigerant work goes to the people authorised for it.

Never replaces on a guess: A part is replaced only once a check shows it is the fault.

Never guesses: If the answer isn't in the knowledge base, it says so and escalates to the maintenance engineer.

Your knowledge base built: Each machine set up from its manual, alarm list and your own breakdown history and work orders, reviewed by your maintenance engineer.

Tickets in your system: Tickets sent to your maintenance system or email, so history builds up per machine.

Spares and schedules: Repeat faults turn into a spare on the shelf and a check on the schedule.

On the floor: A phone number or a tablet at each line, with Urdu and English, and a noisy-room headset.