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Three-function Welding Machine
Problem
Possible reason
Solution
Voltage too high
Turn off the power source; Check
the main food; Turn on the machine
again when the voltage is normal.
Voltage too low
1
Indicator is on
thermal protec-
tion
Poor air flow
Improve air flow
The thermal protection of the
device has been triggered
Let the device cool down
2
No wire feed
Wire feed knob at minimum
Adjust
Sticking current tip
Replace tip
The feed rollers do not match
the wire diameter
Put on the right roller
3
The fan does not
work or rotates
slowly
Power button does not work
Please contact the service center
The fan is broken
Poor fan connection
Check the connection
Poor part contact
Improve contact
Network cable too thin, power is
lost
Change the network cable
4
Unstable arc,
large spatter
Input voltage too low
Increase the input voltage with a
regulator
Burner parts worn out
Replace burner parts
5
The arc does not
strike
Broken welding cable
Check the cable
The part is dirty, in paint, in rust Clean the part
The burner is not connected
correctly
Connect the burner correctly
6
No shielding gas
Gas hose kinked or damaged
Check gas hose
Hose connections are loose
Check hose connections
7
Other
Please contact the service center
Graphic symbols and technical data
U0…….V
This symbol shows the secondary no-load voltage (in volts).
X
This symbol shows the rated duty cycle.
I2……A
This symbol shows the welding current in AMPS.
U2……V
This symbol shows the welding voltage in VOLTS.
U1
This symbol shows the rated supply voltage.
I1max…A
This symbol shows the welding unit’s maximum absorbed current
in AMP.
I1eff…A
This symbol shows the welding unit’s maximum absorbed current
in AMP.
IP21S
This symbol shows the welding unit’s protection class.
S
This symbol shows that the welding unit is suitable for use in envi-
ronments where there is a high risk of electric shocks.
This symbol shows read the operating instructions carefully before
operation.
This symbol shows the welding unit is a single phased D.C. welder.
This symbol shows the supply power phase and line frequency in
Hertz.
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