14
Fan operates but LED
doesn't light on.
When the machine
turns on, power
indicator lamp lights on,
but fan does not
Something get jammed
in fan blades.
Remove jammed piece.
Fan capacitor is faulty.
Change the capacitor. If necessary,
contact service.
LED is faulty or
connection is weak.
Check LED connection, change if it
is faulty.
Control PCB is faulty.
Contact service.
Fan is faulty.
Change the fan.
If necessary, contact service.
Numbers are missing
on indicator screen.
Indicator is faulty.
Contact service.
Welding current is not
same with adjusted
value.
Front control PCB is
faulty.
Contact service.
Maintenance and Troubleshooting - 5
PROBLEM
POSSIBLE PROBLEM
SOLUTION
operate.
