Gude MIG 192/6K Originalbetriebsanleitung Seite 19

Failures - Causes - Removal
Failure Cause
1.
The welding current
falters
The welding current is 1.
not available at all.
The interlock power
switch or RCD has failed
1.
The welding current is 2.
not available.
3.
The wire feed engine 1.
does not work, the signal 2.
light is switched on.
1.
2.
3.
The wire feed engine
4.
does not work, pulleys
5.
are turning.
1.
2.
3.
Wire feed is irregular.
4.
5.
1.
Instable burning of the 2.
electric arc. 3.
1.
2.
3.
4.
Welded seam is porous.
1.
The welding wire stops
2.
near the current nozzle.
3.
The welding pressure is 1.
irregular.
1.
Penetration is too weak.
2.
1.
Penetration is too 2.
strong. 3.
The excessive temperature protection has
failed due to overloading.
The line fuse has failed
Poor contact between the grounding terminal
and welded piece.
Any failure in the grounding cable or
grounding guide
Any failure in the torch guide
The gear ring is failed or blocked.
Faulty engine.
The pulley pressure is not set correctly.
Impurities, dust, etc. on the torch current
nozzle.
Faulty gas nozzle.
Warped wire.
The wire guidance tube is dirty or damaged.
Impurities on the wire guidance. The gas
nozzle is worn-out or faulty.
The gas nozzle is clogged.
There is an obstacle in the wire feed pulley
guide.
The wire feed pulley guide has been
deformed.
Faulty wire voltage.
Faulty wire speed setting.
Impurities on the welded area.
The gas nozzle is worn-out or faulty.
No gas.
The nozzle holder is clogged.
Rusty or damp material.
The torch is too far or you are holding it at a
wrong angle to the welded spot.
The current nozzle is worn-out.
The welding wire is warped.
The wire feed speed is too low.
The welding wire has been blocked on the
spool.
Too weak welding current.
Too long electric arc.
Too high welding current.
The wire feed speed is too low.
Incorrect distance of the torch from the
processed piece.
Removal
1. The excessive temperature protection will
automatically be reset after transformer has cooled
down (after app. 10 minutes, pay attention to ED!)
1. Have the fuse checked
2. Switch on the interlock power switch
3. Switch on RCD
1. Clean and refine the welded area and part surface.
2. Repair or replace the grounding cable.
3. Repair or replace the torch.
1. Replace the gear ring.
2. Replace the engine (contact your customer
service).
1. Set the pulley pressure correctly.
2. Clean the appliance contact tube. Use an air
compressor for that. Replace the contact tube
when heavily dirty.
3. Replace the gas nozzle and check the edge.
4. Check the pulley pressure and set it correctly if
necessary.
5. Clean it with compressed air and, if necessary,
have the hose set replaced.
1. Clean the appliance wire guidance with air
compressor.
2. Replace the gas nozzle or contact tube.
3. Clean or replace the gas nozzle.
4. Clean the wire feed pulleys.
5. Replace the wire feed pulleys.
6. Set the wire voltage correctly.
1. Set the wire speed according to recommended
parameters.
2. Clean or polish the welded surface.
3. Replace the gas nozzle and check the edge.
1. Open the gas and set the gas supply.
2. Clean or replace the gas nozzle.
3. Arrange the spot of welding properly or increase
the gas supply.
4. Clean or polish the material.
5. The distance between the gas nozzle and
processed piece must be 8-10 mm and the hose
needs to be held at an angle of 30°.
6. Check the rubber hose, connector and
assemblage of the set of hoses – Press the gas
nozzle down to a correct position.
1. Replace the current nozzle.
2. Check the pulley voltage pressure.
3. Follow the wire feed speed instructions.
1. Check and, if necessary, adjust the pulley voltage
pressure.
1. Increase the welding current and wire feed.
2. Hold the hose near the processed piece.
1. Reduce the welding current and wire feed.
2. Move the torch slowly and smoothly.
3. The nozzle distance from the processed piece
must be 8-10 mm.