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4.4. TROUBLE SHOOTING
There is no power supply.
Check mains fuses, replace blown fuses.
Check mains cable and plug, replace defect parts.
The machine is not welding properly.
Check welding settings and adjust if needed. See 3. Operation.
Check that earth cable is properly fastened and is not defect. Chamge position,
replace defect parts. See 3.5. Welding and 4. Maintenance.
Check welding current cable and connector. Tighten the connection and replace
parts.
Check the wear parts of wire feed. Clean and replace defect parts. See 4. Main-
tence.
Check mains fuses, replace blown fuses.
Wire feed does not work properly.
Wire feed pressure is too high or too low.
Check wire feed line. If necessary, adjust wire feed pressure. Replace worn out
feed rolls. See 2.9. Filler wire materials and equipments and 4. Maintenance.
Wire feed is stopped.
Wire feed pressure is too high or too low.
Check wire reel adjusting screw, feed rolls, adjustment plate and gear wheel.
See 2.4.3. Main parts of wire feed unit and 2.8. Filler wire materials and equip-
ments.
Power source overheat signal lamp is lighting.
Power source is overheated. See 3.2. Signal lamps and funtion panel.
Check there is enough free space behind the machine for cooling air circula-
tion.
For further information and assistance, contact your nearest Kemppi service work-
shop. If an error code appears on function panel view, please also note the code number
(Err+number).
4.4.1. Error codes
By PROMIG unit check by each start, if there are error states in the equipment; in case
error states are observed, the error state in question is shown by means of Err textes
appearing on (wire feed) display of panels.
Error codes are among others the following:
Err 1:
PROMIG has gone over to MMA welding, though you have already selected
MMA welding on power source panel.
Err 2:
You are pressing on start switch of gun, when data transmission between
PROMIG and PRO is broken (defect in control cable or in connector), or you
are pressing on gun switch, when MMA welding has been selected on control
panel of power source.
Err 4:
You are pressing on start switch of gun and selecting switch S12 for cooling
mode of gun is in liquid position and you have forgotten to switch-on the PRO-
COOL cooling unit or you have forgotten to connect it to equipment.
© KEMPPI OY
PROMIG 200ML/0509 – 15
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