OM-354 Page 24
Trouble Remedy
Tungsten electrode oxidizing and not
Shield weld zone from drafts.
remaining bright after conclusion of
weld.
Increase postflow time.
Check and tighten all gas fittings.
Properly prepare tungsten.
Check for water in torch, and repair torch if necessary.
Fan not operating. NOTE: fan only
Check and remove anything blocking fan movement.
runs when cooling is necessary.
Have Factory Authorized Service Agent check fan motor.
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