Weld Errors - Swagelok M200 User Manual

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106
M200 Power Supply User's Manual

Weld Errors

Weld errors indicate problems that occurred during the weld
process. "Weld completed" or "Weld not completed" will
be displayed on the status line and on the summary screen
Fig. 84).
A description of the error will be displayed in a dialog box,
and the alarm will sound if the alarm function has been
turned on (see Table 15, page 45). The condition must be
acknowledged by pressing OK in the dialog box before the next
weld can be made. Weld errors are recorded in the Weld Log
and will display in red.
Table 46—Weld Error Conditions
Weld Error
Message
Description
AC power
There was an interruption
failure
in the alternating current
to the M200 power
supply.
Arc failed
The arc failed during the
weld.
Current
The weld did not perform
tolerance
within the specified current
tolerance. Tolerance is
set on the Weld screen
Limits / Tolerances tab.
DC power
There was an interruption
failure
to the internal power
source of the M200 power
supply.
Electrode
The electrode touched
touch
the weld puddle or work
piece during the weld.
MD busy bit
The motor driver inside
the M200 power supply
(controlling weld head
movement) did not accept
a command from the weld
procedure.
MD command
The motor driver inside
error
the M200 power supply
(controlling weld head
movement) did not accept
a command from the weld
procedure.
MFC no flow
No OD shield gas flow
is present. The weld is
stopped immediately
to prevent weld head
damage.
MFC
Flow has become
oscillation
unstable and the weld will
be stopped.
Remedy
See M200 Power Supply
Specifications, page 100.
Check the arc gap setting.
Review current limits.
Call for service.
See Table 51 for remedies
before performing the
next weld.
The M200 power
supply will reset itself
automatically.
Powering off the M200
power supply, then
powering on again should
correct this condition.
Check gas connection
and purge connector
attachment to weld head
for an obstruction in the
purge path. If OD shield
flow control is disabled on
the Setup > Flow Control
tab, this error will not
display.
Reduce input pressure
until flow has stabilized.
Fig. 84— Weld Error Message

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