Bench Test / KickingHorse / A100

Test intent

Separate weak branch power, clamp, and holder faults from true internal supply or output faults.
Confirm OCV and basic stick output are stable after repair.
Catch the known blinking-power-light and fan-related collapse branch before deeper teardown.
Prove the official 20 A branch, 3 kW generator, and 3/32 in rod baseline before any internal escalation.

Check	Expected condition	Result
Input source	stable 120 V class branch, ideally 20 A dedicated, with no weak long cord	pass / fail
Generator path if used	at or above the official 3 kW non-inverter baseline	pass / fail
Clamp and holder	clean bite, no loose Dinse connection, no obvious heat damage	pass / fail
Rod condition	dry 3/32 in 7018 or 6010/6011 class rod for baseline proof	pass / fail
Lead polarity	holder and ground leads placed correctly for the actual rod test because A100 can run DCEN or DCEP	pass / fail
Fan behavior on cold power-up	normal start, no slow blinking-light collapse	pass / fail

Checkpoint	Expected value or behavior	Record actual
Input branch under attempted load	stays in a usable 120 V range on the 20 A or healthy generator baseline
OCV at output studs	about mid-80 V class OCV
Rectifier DC if the machine appears dead	present when the dead-machine split points to switch or low-voltage supply
Power light and fan state	steady normal operation, not slow blinking collapse
Yellow protection light during short proof weld	stays off in normal proof welding
Stock holder and clamp heat	no rapid abnormal heat in the 5 ft AWG #6 lead set

Test	Pass condition	Result
Cold power-up	no abnormal blink or collapse	pass / fail
Short stick strike	repeatable strike on clean steel with 3/32 in 7018 or 6010/6011 class rod	pass / fail
Short weld	stable arc with no abnormal clamp or holder heating	pass / fail
Polarity sanity retest if arc is wrong	wrong-feel complaint disappears once lead placement matches the rod test	pass / fail
Re-power retest	no return of blinking-light or fan-related collapse	pass / fail

Dead but rectifier DC present: stay in switch or low-voltage supply branch.
No OCV with healthy upstream DC: stay in the output or IGBT branch.
Blinking power light or fan collapse: isolate the fan and support branch before condemning the machine.
Better clamp or outlet changes the complaint: keep diagnosis outside the inverter.
Protection light comes on during a short proof weld: stay in cooling, fan, and source-strength branches first.
Complaint only exists on an improvised TIG setup: stop there because A100 is officially a stick-only machine.

Use these only after the complaint has been proven to follow the clamp, holder, or utility-side accessory branch.
A100 accessories path: official A100 accessories path
Stock holder KAA20010: official product page
Heavy-duty holder 07000460: official product page
Heavy-duty clamp 07000461: official product page

Signoff item	Result
OCV restored	pass / fail
3/32 in rod baseline restored	pass / fail
Short weld completed cleanly	pass / fail
No abnormal heating, protection light, or blinking-light collapse after retest	pass / fail

Technician: __________ Date: __________ Serial or shop tag: __________