KERCOMET 170
and
210, MULTIMIG 150
Troubleshooting
24
15 Troubleshooting
Fault
Possible cause
Rectification
Torch becomes too hot
Contact tip not tightened properly
check
Torch switch has no function
when actuated
Union nut from torch hose pack to central
socket is not correctly tightened
Tighten the union nut
Open circuit in control cable in the torch
hose pack
Check and replace if necessary
Thermal protection has triggered
Allow the equipment to cool down
at no-load
Wire sticking or burnt onto
contact tip
Wire electrode jammed on the reel
Check and replace if necessary
Burr at start of wire
Trim the end of the wire
Wire feed irregular or failed
completely
Incorrect contact pressure on wire feed
unit
Set as described in the operating
instructions
Torch faulty
Check and replace if necessary
Guide tube in the central socket is missing
or dirty
Insert the guide tube or clean it
Welding wire reel badly wound
Check and replace if necessary
Surface rust on wire electrode
Check and replace if necessary
Torch internal coil clogged with abrasion
dust
Unscrew the torch from the
equipment, remove contact tip from
torch and blow out the coil with
compressed air
Torch internal coil flexed
Check and replace if necessary
Wire brake setting too hard
Set as described in the operating
instructions
Equipment switches off
Duty cycle exceeded
Allow the equipment to cool down
at no-load
Insufficient cooling of components
Check air inlet and outlet on the
equipment
Arc or short circuit between
contact tip and gas nozzle
A spatter bridge has formed between the
contact tip and the gas nozzle
Remove using suitable special
pliers
Unstable arc
Contact tip does not match the wire
diameter or contact tip is worn
Check and replace if necessary
Control panel is completely
dark
Phase missing
Check the equipment at a different
power socket. Check the supply
cable and mains fuse
