H&S AUTOSHOT HST201, Руководство оператора

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SET-UP, OPERATION & TROUBLSHOOTING
27
S/N
Troubles Reasons Solution
fan doesn’t work
The fan motor damaged Change fan
3
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 damaged Change it (3A)
4
The number on the display is
not intact.
The LED in the display is broken Change the LED
5
The max and min value
displayed doesn’t accord
with the set value.
The max value is not accordant (refer to
§3.1)
Adjust potentiometer Imin on the
power board.
The min value is not accordant (refer to
§3.1)
Adjust potentiometer Imaxin the
current meter.
6
No no-load voltage output
(MMA)
The machine is damaged Check the main circuit and the Pr4.
7
Arc can not
be ignited
(TIG)
There is
spark on the
HF igniting
board.
The welding cable is not connected with
the two output of the welder.
Connect the welding cable to the
welder’s output.
The welding cable damaged. Repair or change it.
The earth cable connected unstably. Check the earth cable.
The welding cable is too long. Use an appropriate welding cable.
There is oil or dust on the work-piece. Check and remove it.
The distance between tungsten electrode
and work-piece is too long.
Reduce the distance (about 3mm).
There is not
spark on the
HF igniting
board.
The HF igniting board does not work. Repair or change Pr8
The distance between the discharger is
too short.
Adjust this distance (about 0.7mm).
The malfunction of the welding gun
switch.
Check the welding gun switch,
control cable and aero socket.
8 No gas flow (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
9
Gas always flows
The gas-test on the front panel is on The gas-test on the front panel is off
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
10
The welding current cannot
be adjusted
The welding current potentiometer on the
front panel connection is not good or
damaged
Repair or change the potentiometer
11
No AC output while selecting
“AC”
The power PCB is in trouble. Repair or change it.
The AC drive PCB damaged. Change it.
The AC IGBT module damaged. Change it.