Jackle JESS WELDING inoMIG 350 Betriebsanleitung Seite 87

inoMIG 350/400/500
Tab. 9
Troubleshooting
Fault
Display shows T°C - 01/02/03 - hot
Display shows T°C - int - e.g. +56
Display shows Err H2o --- (continuously)
(To delete, switch the machine off and back
on again)
Main switch ON, 1 or 2 green control
lamps on the front panel do not light up
(see 6 Functional description on
page EN-11)
Main switch ON, green control lamps are
lit, MC control box not functioning
No function when pressing the torch trigger Torch trigger is defective
Wire feeder motor is not running
The wire between the wire feed roller and
the wire guide tube buckles
Irregular wire feed
BA-0014 • 2020-06-05
Cause
Machine is overheating
Thermal sensor cable interrupted
Incorrect machine type set in the control
box
Ambient temperature is below −10°C or
above +50°C
Thermal sensor in the control box is
defective
Water tank is empty
Water flow is below 0.5 l/min
Flow meter is defective
One or more supply phases have stopped
working
Fuse in front panel is defective
Fuse for the secondary control transformer
is faulty
Fuse in the MC control box is defective
Cable in the intermediate cable assembly is
defective
Torch control line interrupted
MC control box is defective
MC control box is defective
Wire feed motor is defective
Cable connection between the control box
and motor interrupted
Contact pressure of the wire feed rollers is
too high
The distance between the wire feed roller
and the guide tube is too great
Poor uncoiling of the wire from the wire
spool
Wire-holding arbor does not run smoothly
Incorrect wire feed roller
Wire guide tube or wire guide spiral is
soiled/defective
Contact tip blocked/defective
Welding wire dirty/starting to rust
Wire guide tube is not aligned with the
groove of the wire feed roller
17 Troubleshooting
Troubleshooting
Allow the machine to cool down with the
fan running
Find and eliminate the interruption
Contact the service partner
Restore the machine to the normal
temperature range
Replace the control box, have the sensor
repaired
Refill with water and methylated spirit in the
ratio 4:1
Check the water flow (torch/lines)
Replace flow meter
Check the mains supply cable and fuse
Replace 2 AT fuse
Replace 6.3 AT fuse
Remove and open the control box, replace
6.3 AT fuse
Check the 5-pole cable in the intermediate
cable assembly
Repair the torch trigger
Check the torch control line
Replace the control box, have the control
box checked
Replace the control box, have the control
box checked
Replace the wire feed motor, check the
contact pins (carbons)
Check the cable connection
See 11.1 on page EN-27
Check the distance/re-adjust the wire
guide tube
Check/re-insert the wire coil
Check the wire-holding arbor
See 11.1 on page EN-27
See 11.1 on page EN-27
Clean/replace the contact tip
Replace the welding wire
See 11.1 on page EN-27
EN - 33