ESAB Fabricator 181i, Руководство по обслуживанию

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ESAB FABRICATOR 181i
TROUBLESHOOTING 6-2 Manual 0-5449
8 Gas flow continues after
the torch trigger switch
has been released (MIG
mode).
Gas valve has jammed open
due to impurities in the gas or
the gas line.
Have an accredited ESAB service
provider repair or replace gas
valve.
9 Power indicator will not
illuminate and welding arc
cannot be established.
The mains supply voltage has
exceeded voltage limits of the
Power Source.
Ensure that the mains supply
voltage is within 208/230VAC
±15%
10 TIG electrode melts when
arc is struck.
TIG Torch is connected to the
(+) weld terminal.
Connect the TIG Torch to the (-) VE
terminal.
11 Arc flutters during TIG
welding.
Tungsten electrode is too large
for the welding current.
Select the correct size of tungsten
electrode. Refer to Table 4-7 in the
operating manual.
Table 6-1 Power Source Faults
6.02 Checking Unit Before Applying Power
WARNING
Turn SW1 to OFF position, and disconnect unit from primary line voltage before working on unit.
Significant DC voltage can remain on capacitors after unit is Off. Wait until all front panel LED’s are off before remov-
ing case.
!
WARNING
Check DC bus voltage according to Section 6.07 after removing case.
Before troubleshooting or applying power to unit, complete the following checks to avoid causing further damage.
6.03 Tools Needed for Troubleshooting and Servicing
Art # A-09849