ASKAYNAK 315-TIG Pulse, Руководство пользователя

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Maintenance and Troubleshooting - 3
USER
MANU
AL
64
PROBLEM POSSIBLE REASON SOLUTION
Turn on the power source,
and fan works, but the
power pilot lamp is not on .
The power light is damaged
or connection is not good .
Contact service.
The transformer of power is
damaged .
Contact service.
Control PCB failures . Contact service.
Turn on the power source,
and the power lamp is on,
but fan doesn't work
.
There is something in the fan . Clear fan.
The start capacitor of fan is
damaged .
Contact service.
The fan motor is damaged . Contact service.
Turn on the power source,
the power lamp is not on,
and fan doesn't work
.
No power supply input .
Check whether there is
power supply
.
The fuse inside the machine is
damaged .
Contact service.
The number on the display
is not intact. The LED in the display is
damaged.
Contact service.
The max . and min . value
displayed doesn't accord
with the set value.
The max . value is not
accordant .
Adjust potentiometer Imin
on the power board.
The min . value is not
accordant .
Adjust potentiometer Imax
on the power board.
No no-load voltage output
(MMA)
.
The machine is damaged . Contact service.
The welding current can not
be adjusted
.
The welding current
potentiometer on the front
panel connection is not good
or damaged
.
Contact service.
Gas always ows .
The gas-test on the front
panel is on
.
Turn off t he gas-test on the
front panel .
Something in the valve . Remove it .
Electromagnetic valve is
damaged
.
Change it .
The adjustment knob of pre-
gas time on the front panel is
damaged
.
Repair or change it ,
contact to service if it
doesn’t work.
No gas ow (TIG)
Gas cylinder is close or gas
pressure is low
.
Open or change the gas
cylinder
.
Something in the valve . Remove it
Electromagnetic valve is
damaged
.
Change it