CHAPTER 3: OPERATING INSTRUCTIONS
PHASEMASTER™ 6 DIRECT ENERGY WELDING CONTROL
3-4
990-083
Copying Information in Schedule 0 to Another Schedule
Schedule 0 is unprotected, therefore it is assumed that it will be used to develop new weld schedules. After the
weld schedule is tested it can be transferred, without re-keying, to another schedule, and saved in permanent
memory. As an added convenience, welding can be done in the PROGRAM State using Schedule 0. The
following procedure is used for this purpose:
a Press [
?
/
?
] to select SCHEDULE 0.
b Press [PROGRAM].
c Enter Schedule parameters.
d Make a weld and evaluate.
e Repeat c and d until the Schedule is developed.
f
Press [SAVE] and continue to hold it down for at least 1 second.
g The SCHEDULE NUMBER will change from 0 to a blank.
h Continue to press [SAVE] and use [
?
/
?
] to select another Schedule Number.
i
Release [SAVE] when the desired Schedule number is displayed. The Schedule parameters will be saved
in permanent memory under the new Schedule number.
When a weld is made, the red pilot lamp on the UNIPULSE Transformer will light. It may be difficult to see in
cases where the %CURRENT is less than 50% and/or when WELD CYCLES is set to 0.5.
Alarms
An Alarm Condition can cause the following events to occur:
1 A 5 second Alarm buzzer sounds,
2 An ALARM indicator lights,
3 An Alarm code is displayed, and
4 The weld sequence is terminated or inhibited.
SCR Alarm A1
SCR Alarm A1 indicates that the PM6's output SCR's, used to control the flow of current to the welding
transformer, are defective. They must be replaced by a qualified technician.
Machine Alarm A2
