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Error messages
Error
Cause
Solution/Remedy
1
When the machine is turned on, the power-on
lamp is off, the fan is working.
The power-on lamp is damaged, incorrectly
connected.
Replace the indicator lamp, check the wiring
circuit.
The power PCB is damaged.
Repair / replace the power PCB.
2
When the machine is turned on, the power-on
light is on, the fan is not working.
The fan is blocked by a foreign object.
Remove the object.
The fan motor is damaged.
Replace the fan.
3
The power-on lamp does not light when the ma-
chine is turned on, the fan does not work.
No output voltage.
Check the network connection.
Overvoltage in the network.
Check the network connection.
4
No output voltage at terminals.
Damaged power PCB.
Check the power section of the machine.
5
The arc cannot be ignited.
The welding cables are not
connected.
Connect both welding cables.
The welding cables are damaged.
Repair / replace damaged cable.
The ground cable is not connected.
Check the grounding cable
connection.
6 The arc is difficult to ignite.
Welding cables are incorrectly connected.
Check the connection.
The work clamps are covered with dirt.
Check and clean the work clamps.
7
Unstable arc.
Arc power too low.
Increase the welding current.
8
The welding current cannot be set.
Damaged control potentiometer or loose control
n-coder.
Repair / replace potentiometer; pull the n-coder.
9
Insufficient material penetration.
Welding current too low.
Set the correct welding current.
The arc is too small.
Increase the welding current.
10 The fault / overheat indicator is on.
Overheating of the machine.
Use interval welding.
Operating/duty cycle was too long.
Wrong output voltage.
Check / replace the power section of the machine.
