CANAWELD PLB2380148, Руководство пользователя

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25
S/N
Troubles Reasons Solution
The max and min value
displayed doesn ’ t accord with
the set value.
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 workpiece. Check and remove it.
There is not
spark on the
HF igniting
board.
The HF igniting board does not work. Repair or change Pr8
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 can not 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.
12
The welding current displayed
isn
’ t accordant with the actual
value.
The min value displayed isn ’ t accordant with
the actual value. (Please refer to
§
3.1)
Adjust potentiometer Imin on the
power board.
The max value displayed isn ’ t accordant with
the actual value. (Please refer to
§
3.1)
Adjust potentiometer Imax on the
power board.
13
The penetration of molten pool
is not enough.
The welding current is adjusted too low Increase the welding current
The arc is too long in the welding process Use 2T operation