Hypertherm MAX200 Service Manual - Manual (Page 53)

3-12 MAX200 Service Manual
MAINTENANCE
From
page 3-11
No
No
THC
installed?
THC
installed?
Yes
Yes
Yes
STOP pressed (machine torch),
START button released (hand torch)
Plate overrun
D3, D4
deactivated on
PCB9
Torch retracts to
ULS
Machine motion stops (machine torch only),
main contactor (CON1) opens,
DC ON light off,
choppers off,
D6, D8, D21, D22 on PCB7 off.
D3 (UP) and
D4 (DOWN) active
on PCB9
IHS installed
and ON?
1 second of
gas post-flow
Plasma gas valve (V1),
shield gas valve (V2),
step valve (V3) close.
Cut sequence complete.
No