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SECTION 4 TROUBLE SHOOTING
THE AIR PRESSURE SOULD BETWEEN 2-3bar (29-43.5psi)! IF THE
PRESSURE IS TOO HIG, ARC MAY NOT STRIKE, OR ARC IS BLOW
OFF AFTER SHORT CUTTING.
No. Problem
Cause
Solution
Loose contact at input
lead
Check contact situation
Lamp malfunction,
poor contact
Check contact situation.
Replace lamp
1
Power Indication lamp is not
illuminate after switch on the main
switch
Main switch
malfunction
Check switch, replace if
necessary
Power cord leak
Insulate power cord
Transformer contact
with case
Insulate transformer
2
Electric leak at the case
Not grounding
properly
Check and redo the
grounding
The switch shortcut
Replace switch
3
Power Indication lamp is on, but arc
does not extinguish after release the
torch switch
The switch contact
terminal shortcut
Re-insulate terminal
Cooling fan circuit
malfunction
Check fan circuit
Power indication
lamp on
Cool fan failure
Check fan, replace if
necessary
4
Cooling fan
stops to rotate
after machine
has worked a
period
Power indication
lamp off
See No. 1
Line voltage is too
low or too high
15% line tolerance
5
Machine does not response after
push the start trigger
Air pressure is too
high
Air pressure should not
higher than 3bar(43.5psi)
Содержание Coolcut 30
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