UltraMig 175
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Situation
Action
Wire does not feed
Check the fuse.
Check voltage.
If voltage OK, replace the motor reducing gear set.
No gas
Check the condition of the cylinder.
Check the condition of the pressure regulator and the hose.
Check if there is 24 V on the selenoid valve.
No welding current
Check between the - and
+
terminals on the capacitor.
Check the ground clamp.
Otherwise, disconnect the power source from the mains and test the choke,
the capacitors, the resistor, the transformers and all the connections.
Otherwise, replace the electronic board.
Erratic wire feed
Check whether the reel is too tightly clamped (adjust if necessary).
Check whether the rollers are damage.
Check whether the rollers are too loose (adjust if necessary).
Check whether the torch cable is damage.
Check whether the wire conduct is blocked (blow out).
Check whether the wire is intermix.
Be sure that the contact tube is the right diameter for the wire.
Arc unstable
Check the capacitor connections unloosen.
Check the wire clamp contacts.
Check the potentiometer- the gas flow rate.
Check the condition of the contact tube (replace)
HOT indicator lit
The set is overheating. Wait 10 to 15 mins until the indicator goes off.
Clean regularly the welder.
If problem(s) persist, contact your dealer
Содержание UltraMig 175
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