Telwin TIG-165, Устранение неисправностей и инструкции по ремонту

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TECHNOLOGY TIG
5
TWO-PHASE MACHINE CYCLE AT HIGH FREQUENCY
I
O
PRE GAS
STRIKING WELDING CURRENT DOWN SLOPE
POST GAS END OF CYCLE
EV= OFF
HF=OFF
I=Ø
EV= ON
HF= OFF
I=0
EV= ON
HF= ON
ARC
ARC STRIKING
EV= ON
HF= OFF
EV= ON
HF= OFF
EV= ON
HF= OFF
I=0
EV= OFF
HF= OFF
I=0
P.T. OFF
P.T. ON P.T. ON P.T. ON
P.T. OFF P.T. OFF P.T. OFF
I
O
EV= OFF
HF=OFF
I=Ø
EV= ON
HF= OFF
I=0
EV= ON
HF= ON
ARC
EV= ON
HF= OFF
EV= ON
HF= OFF
EV= ON
HF= OFF
I=0
EV= OFF
HF= OFF
I=0
P.T. OFF P.T. OFF P.T. OFF
P.T. ON P.T. ON
P.T. OFF
P.T. ON
LEGEND
EV = Electrovalve
HF = High frequency
I = Welding current
D26 = Yellow led located on Tig front
D26: This led will switch on when between the electrode and the element to be welded there is direct current
thus stopping the inverter operation.
FOUR-PHASE MACHINE CYCLE AT HIGH FREQUENCY
PRE GAS
STRIKING WELDING CURRENT DOWN SLOPE
POST GAS END OF CYCLE
ARC STRIKING