Category / Brand / Model

Machine profile

• Category:
• Process:
• Market segment:
• Input power:
• Output class:
• Known accessories affecting diagnosis:

Service posture

• Safe for field diagnosis:
• Common board-level failures:
• When to stop and escalate:

Required tools and baseline checks

• Minimum tools:
• Known-good consumables or test accessories:
• Baseline setup to prove first:
• Power, gas, air, or fuel conditions to normalize before diagnosis:

Expected observations and field measurements

• Readings or observations that should be verified first:
• What the technician should see, hear, or measure if the machine is healthy:
• What findings move the diagnosis away from the machine and into the accessory or utility path:
• What load, material, or operating condition should be used when proving the machine after repair:

Expected voltage, connector, and signal checkpoints

Use this section when the source material supports concrete internal checkpoints such as:

• connector names or board test points
• expected bus voltage, auxiliary voltage, or signal state
• process-state or panel-state checkpoints that reliably separate setup from hardware
• model-specific switch, jumper, or reset behavior tied to diagnosis

Fast triage

Failure patterns and repair logic

1. No power / dead machine

2. Powers up but no welding output

3. Feed, arc-start, or cut-start problem

4. Poor arc quality / unstable output

5. Gas, air, or consumable related faults

6. Intermittent or heat-related behavior

Fault-code and control-panel clues

• Fault codes, LEDs, or UI states that matter on this model:
• What those indicators often mean in practice:
• What should be ruled out before trusting the code as an internal failure:

Model-specific notes

Repair actions and post-repair verification

• Repair actions that are field-appropriate on this model:
• Confirmation test after correction:
• Signs the repair is incomplete or the fault is still upstream/downstream of the machine:

Service parts and wear points

• Consumables most often mistaken for machine failure:
• Cables, torches, guns, or feeders to inspect first:
• Installation or utility-side conditions that commonly mimic failure:

Parts, wear-item, and accessory map

Use this section when the source set supports a more explicit repair map than simple wear-point bullets.

• Include official part numbers, official kit numbers, or the official parts-page entry path when the source set supports them.

Diagram, board, and connector callouts

• Name the local diagram, schematic, photo, parts breakdown, or workbook tab that is most useful.
• State what each file helps identify so a technician can move from symptom to the correct board, connector, or assembly faster.
• If the official manual exposes named sections such as Troubleshooting & Service, Electrical Principle Drawing, Wire Feeding Layout, or Torch Part Breakdown, name those sections explicitly.

Symptom-to-reference lookup

• When official demo videos, review videos, or support clips exist, name the exact complaint-relevant video topic instead of linking only to a generic video hub. Use this when a model has enough local manuals, schematics, workbook tabs, or parts breakdowns that the technician would benefit from a direct “open this first” map.

Serial, generation, and package applicability

• Serial range, revision, or package notes that change diagnosis:
• Accessory ecosystem or package assumptions that matter:
• Any known documentation-strength or evidence limits:

Escalate to authorized service when

Sources

• Official manual or operator documentation:
• Official manual:
• Official product/spec page:
• Official service/support portal:
• Official parts list or spare-parts reference:
• Official setup/service video:
• Official software/firmware/calibration reference:
• Official accessory or compatibility reference:
• Supporting field observation: