48
Description
Possible Cause
Remedy
5 Gas flow won’t
shut off.
A Weld Mode (
STD
,
SLOPE
,
REPEAT
or
SPOT
) was
changed before
POST-FLOW
gas time had finished.
A Strike an arc to complete
the weld cycle.
OR
Switch machine off then on
to reset solenoid valve
sequence.
B Gas valve is faulty.
B Have an Accredited
Thermal Arc Service Agent
repair or replace the gas
valve
C Gas valve jammed open.
C Have an Accredited
Thermal Arc Service Agent
repair or replace the gas
valve
D
POST-FLOW
control is set to
60 sec.
D Reduce
POST-FLOW
time.
6
The TIG electrode
has been
contaminated due
to the gas flow
shutting off before
the programmed
POST-FLOW
time
has elapsed.
The Weld Process Mode
(STICK, HF TIG or LIFT
TIG) was changed before
POST-FLOW
gas time had
finished.
Do not change Weld
Process Mode before the
POST-FLOW
gas time had
finished.
Содержание Thermal Arc 185TSW
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Страница 4: ...4 13 0 PARTS LIST 53 APPENDIX A INTERCONNECT DIAGRAM 56 APPENDIX B AUTOMATION 58...
Страница 22: ...22 PAGE LEFT INTENTIONALLY BLANK...
Страница 30: ...30 PAGE LEFT INTENTIONALLY BLANK...
Страница 56: ...56 APPENDIX A INTERCONNECT DIAGRAM...
Страница 57: ...57...
Страница 59: ...59 Figure 11 Location of PCB WK 4921...