![background image](http://html1.mh-extra.com/html/greencut/soldador-mmg185/soldador-mmg185_instruction-manual_2261583064.webp)
64
TROUBLESHOOTING
The welds are manufactured and adjusted at the factory. It is forbidden to modify the equipment.
The table includes some of the most common problems, their causes and remedies.
PROBLEM
CAUSE
SOLUTION
Close the switch but the light does
not come on
Switch damaged
Change
Fuse damaged
Change
Power supply does not work
Change
After welding the machine overheats
and the fan does not run
Damaged fan
Change
The cable is loose
Tighten the cable
Push the torch
switch but there’s
no gas leakage
No exhaust
gas
There's no gas in the canister.
Change
Gas tube leaks
Change
Solenoid valve damaged
Change
Fuga de gas
Switch damaged
Repair the switch
Damaged control circuit
Check the board
Feeder for
wire does not work
Thread spool
does not
rotate
Damaged engine
Check and change it
Damaged control circuit
Check the board
The wheel is either in or the wire is
slipping.
Tighten firmly
The wheel does not fit the diameter of
the welding wire
Change the wheel
Wire spool damaged
Replace
Stuck wire feeding tube
Repair or replace
Tip stuck due to splashes
Repair or replace
No arc power or voltage
breather
Badly connected or loose output cable
Connect correctly or adjust
NOTE:
If you are unable to resolve the problem, please contact the Official Technical Service.