Hypertherm HD3070 Plasma Arc Cutting System w/ Automatic Gas Console - Manual (Page 169)

5-44 HD3070 with Automatic Gas Console Instruction Manual
16
MAINTENANCE
PS ERR=9
ARC OVER VOLTAGE ERROR
Informs operator that arc voltage
exceeded maximum allowable voltage
during steady-state operation.
Replace control PCB
1XPCB3. Fig 6-2 (4)
Change CNC part
program to avoid these
situations.
Yes
Correct torch height
control problem.
No
No
Yes
Is torch height control
functioning correctly ?
Did machine try to cut off an
edge, cut through a large hole or
cut across a large kerf ?