CHAPTER 3: OPERATING INSTRUCTIONS
PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
3-10
990-083
Any time an Emergency Stop, Machine or SCR Alarm occurs, the welding sequence will abruptly abort and the
valve output circuits will be de-energized causing the weld head to open. An audible alarm will sound for 5 seconds
and the display will reference the cause of the Alarm. Press [PROGRAM] to immediately stop the alarm. Press
[RUN] to return to the RUN State. (Later model PM6's accept [RUN] to stop the alarm.)
CAUTION:
This Section of this Manual contains instructions which should not be made available to operators or
personnel who are not authorized to make Schedule Changes.
Change Schedule Protection
Schedule Protection Feature On
Weld Schedules 1 through 7 can be protected from unauthorized or inadvertent changes by switching the PM6's
Schedule Protection to ON using the following procedure: When Schedule Protection is switched to ON,
Schedule 0 is the only schedule which can be modified.
a Select [NO WELD].
b Select Schedule 0.
c Press [SAVE] and [
?
] at the same time.
d The PM6 should display:
S
P
O
n
Schedule Protection Feature Off
The PM6's Schedule Protection Feature can be switched to OFF using the following procedure: When
Schedule Protection is switched to OFF, any schedule can be modified and saved to permanent memory.
a Select [NO WELD].
b Select Schedule 0.
c Press [SAVE] and [
?
] at the same time.
d The PM6 should display:
S
P
O
F
F
