Troubleshooting - H&S AUTOSHOT HSG140 Operator's Manual

§5.2 Troubleshooting

All welding machines have undergone 100% inspection before leaving the factory.

Disconnect power cord from LINE before any trouble shooting and only professional
maintenance personal should perform any action on the machine!
Item Trouble
Power switch "ON" but the
1
power light not illuminated
Machine over-heat
2 illuminated but fan is not
functioning
Depress
gas when test
trigger
3 switch, no
output
shielded gas
when test gas
Wire feeder
doesn't turn
Depress
trigger
4
switch, no
turns but no
wire feed
wire feed at
No striking arc and no
5
output voltage
Welding stops and over-
6
temp light illuminates
Welding current is run away
7
and can be not controlled
The crater current can be not
8
adjusted
9 Weld is inconsistent
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Breaker open or damaged
Power switch damaged
Power cord damaged
LED
Fan damaged
The cable is loosen
No gas in cylinder or closed
No output
Low gas flow or leaks in
hose and fittings
gas
Gas solenoid valve problem
Control switch damaged
Output gas
Control circuit damaged
Motor damaged
Control circuit damaged
Welding wire skids over
drive roller wheel
Welding wire skids over
Wire feed drive roller wheel
Drive roller worn
Wire won't feed through
nozzle
gun with tip removed
Wire won't feed through
gun with tip installed
Output cable is connected
incorrectly or loose terminal
Control circuit damaged
Machine has reached duty-
cycle limit or internal dust
The potentiometer damaged
The control circuit damaged
The PCB damaged
Inadequate or wrong gas
Reasons
Check circuit breaker
Replace switch
Replace cord
Clear obstruction or replace
Secure the cable tightly
Open valve or fill cylinder
Adjust regulator flow, secure fittings
Check and replace if required
Repair the switch
Check the board
Check and replace
Check and replace wire feed board
Check tension arm & tighten
Confirm roller groove matches wire dia.
Replace
Replace torch wire conduit liner
Wrong size or worn contact tip, change
Screw it down or change it
Check the circuit
Stop welding for 10-minutes to allow
cool down. Auto-reset will turn lamp off
Check or change it
Check the circuit
Check it
Change cylinder to correct
15
Solution