MaxPro PROFESSIONAL 114-0100, Manual

Page: 9 / 69

7 GB
TROUBLESHOOTING
While this welding
equipment is operated, the
over-heat indicator is on,
and there is no output.
Fa u lt S ym pto m
Possi b le Ca u se T r o ub les h oo ti n g
The welding equipment is
operated, the pilot lamp is
o
ff , no output, the built-in
fan unavailable.
1. Possible func ti on failure of power switch.
2. Possible unavailability of input.
3. Possible short circuit of input cable
1. Check or replace
While this welding
equipment is operated, the
pilot lamp is on, no output,
the built-in fan unavailable.
1. Possible unavailability of connec ti on inside this
welding equipment or malfunc ti on of control circuit
occurs.
2. The PCB is possibly damaged.
3. IGBT is possibly damaged.
1. Check and reconnect if
necessary.
2. Replace it if necessary.
3. Check or replace it.
While this welding
equipment is operated, the
built-in fan func
ti ons, the
over-heat indicator is o ff ,
arc star ti ng unavailable.
1. Possible short circuit occurs, and possible
unavailability of connec
ti on of silicon bridge with the
PCB.
2. Possible unavailability of connec
ti on inside this
welding equipment or malfunc ti on of control circuit
occurs.
3. The PCB is possibly damaged.
4. Possible damage of the welding torch.
1. Check and reconnect if
necessary.
2. Replace it if necessary.
3. Check or replace
4. Replace it if necessary.
The over-heat indicator is
o
ff , welding current output
is unavailable.
1. Possible disconnec ti on of welding torch cable.
2. Possible disconnec ti on of earth cable, or
unavailability of connec ti on of the earth cable and work
piece.
3. The connec
ti on between posi ti ve output terminal or
the gas or electricity output terminal and this welding
equipment is possibly unavailable.
Check and repaired it if
necessary.
1.It is possible of over-current protec ti on status.Wait ti ll
the LED2 is o ff .
2.It is possible of over-hea ti ng protec ti on status. Wait
ti ll the LED2 is o ff , and the welding opera ti on will be
available.
3.It is possible of lack of phase protec
ti on status.please
check power supply voltage.
4. The PCB is possibly damaged.
5. IGBT is possibly damaged. 6. Possible damage of
transformer.
Check and replace it if
necessary.
Unstable current .
1. The PCB is possibly damaged.
2.The connec
ti on of this welding equipment is not
available.
Replace it if necessary.