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BOSS TIG 160HF
、
200HF Operating Manual
9.04 Power source problems
Description
Possible Cause
Remedy
1
The welding arc can not be
established.
A The Primary supply voltage has not
been switched on.
B The welding power source switch is
switched off.
C Loose connections internally.
A Switch
on the
primary
supply voltage.
B Switch
on the
welding
power source.
C Have an accredited BOSS
service agent repair the
connection.
2
Maximum output welding
current can not be achieved
with nominal Mains supply
voltage.
Defective control circuit.
Have an accredited BOSS
service agent inspect then
repair the welder.
3
Welding current reduces
when welding.
Poor work lead connection to the work
piece.
Ensure that the work lead has a
positive electrical connection to
the work piece.
4
No gas flow when the torch
trigger switch is depressed.
A Gas hose is cut.
B Gas passage contains impurities.
C Gas regulator turned off.
A Replace gas hose.
B Disconnect gas hose from
the rear of power source
then raise gas pressure and
blow out impurities.
C Turn gas regulator on.
Table 19
Notice:
Can move the equipments that the power supply doesn't fixedly mean to link to work with gearing at the some
position.
