STEALTH DIGI-TIG 320 AC/DC PULSE
31
S/N
PROBLEM REASON
SOLUTION
Too much welding current
Reduce welding current output
Overheat
protection
Working time too long
Reduce duty cycle and process
Over-voltage
Power supply fluctuates
Use stable power supply
protection
14
Power supply fluctuates
use stable power supply
Low voltage
protection
Too many machines using
Reduce number of machines
power at the same time
in use
Over-current
Incorrect current in main
Check and repair main circuit
protection
circuit
and drive Pr6
Front panel
alarm lamp
is on
6 PARTS LIST
9012H-02 COVER
9012H-07 RECTIFIER
9012H-12 SWITCH
9012H-13 REAR PANEL
9012H-15 FAN
9012H-16 CAP PCB
9012H-17 POWER PCB
9012H-24 HALL CURRENT SENSOR
9012H-25 FRONT PANEL
9012H-26 DINSE SOCKET
9012H-27 FRONT PCB
9012H-28 12 PIN SOCKET
9012H-31 KNOB
9012H-34 HF PCB
9012H-39 POWER PCB
9012H-40 CONTROL PCB
9012H-41 FILTER PCB
9000H-42 SOLENOID VALVE
9012H-42 IGBT
9012H-47 MAIN PCB ASSEMBLY