Instruction Manual - Technical Section
13. TROUBLESHOOTING / RICERCA GUASTI
The following operation requires sufficient professional knowledge on
electric aspect and comprehensive safety knowledge. Operators should
be holders of valid qualification certificates which can prove their skills
and knowledge. Make sure the input cable of the machine is cut off
from the electricity utility before uncovering the welding machine.
Common Malfunction Analysis and Solution:
Power on, LED does not
light up, fan does not
run, no output when
machine switches on
1) Power switch is damaged
2) No electricity on the electricity
grid
3) Short circuit in the power supply
cable
4) Input/output cable of power
transformer is bad connected or
power transformer is damaged
5) Fuse is damaged
1) Check power switch and the
fan
2) Check power supply on the
the electricity grid
3) Check the connection of
power supply cable
4) Check input/output cable of
power transformer, or replace
power transformer
5) Replace
Circuit breaker on the
switch board or power
switch on welding
machine trips while in
welding
1) Rated current of circuit breaker
on the switch board is too small
2) The following devices may be
damaged: input rectifier bridge,
electrolytic capacitor, IGBT
1) Change workplace, use
proper switch board
2) Check and replace
Welding current/voltage
is not adjustable
1) Display board is damaged
2) Main control board is damaged
3) Bad connection of joints
1) Replace
2) Replace
3) Connect well
Instable welding arc,
large spatter
1) Contact tip is worn out
2) Wire is not well installed in wire
feed roller’s groove
1) Replace
2) Check and adjust
MIG/MAG mode, press
torch trigger, wire
feeding is normal but
gas flow way is blocked
1) Solenoid valve is damaged
2) Display board is damaged
3) Wire guide hose is blocked
1) Replace
2) Repair or replace
3) Clean wire guide hose
MIG/MAG mode, press
torch trigger, wire feeding
system does not work
and there is no open
circuit voltage
1) Torch trigger is damaged
2) Display board is damaged
3) Cable of control on euro socket is
bad connected
1) Repair or replace
2) Replace
3) Repair
This product is being improved unceasingly, so differences may appear in parts except for
functions and operation. Thanks for understanding.
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