Troubleshooting - Elektron MULTIMIG 200 Operation Manual

MULTIMIG 200

Troubleshooting

16 Troubleshooting
Fault
Torch becomes too hot
Torch switch has no function
when actuated
Wire sticking or burnt onto
contact tip
Wire feed irregular or failed
completely
Equipment switches off
Arc or short circuit between
contact tip and gas nozzle
Unstable arc
Control panel is completely
dark
Inert gas missing
26
Possible cause
Contact tip not tightened properly
Union nut from torch hose pack to central
socket is not correctly tightened
Open circuit in control cable in the torch
hose pack
Thermal protection has triggered
Wire electrode jammed on the reel
Burr at start of wire
Incorrect contact pressure on wire feed unit
Torch faulty
Guide tube in the central socket is missing
or dirty
Welding wire reel badly wound
Surface rust on wire electrode
Torch internal coil clogged with abrasion
dust
Torch internal coil flexed
Wire brake setting too hard
Duty cycle exceeded
Insufficient cooling of components
A spatter bridge has formed between the
contact tip and the gas nozzle
Contact tip does not match the wire diameter
or contact tip is worn
Phase missing
Gas cylinder empty
Torch faulty
Pressure reducer dirty or faulty
Gas cylinder valve faulty
Rectification
check
Tighten the union nut
Check and replace if necessary
Allow the equipment to cool
down at no-load
Check and replace if necessary
Trim the end of the wire
Set as described in the operat-
ing instructions
Check and replace if necessary
Insert the guide tube or clean it
Check and replace if necessary
Check and replace if necessary
Unscrew the torch from the
equipment, remove contact tip
from torch and blow out the coil
with compressed air
Check and replace if necessary
Set as described in the operat-
ing instructions
Allow the equipment to cool
down at no-load
Check air inlet and outlet on the
equipment
Remove using suitable special
pliers
Check and replace if necessary
Check the equipment at a dif-
ferent power socket. Check the
supply cable and mains fuse
Replace
Check and replace if necessary
Check and replace if necessary
Replace gas cylinder