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DWM-141-EASY | DWM-161-EASY
PROBLEM
Protection
indicator is on
Power supply
indicator is off
Cooling fan does
not work
Poor welding
performance
TROUBLESHOOTING
PROBABLE CAUSE
Frequency fluctuation > 1%
Voltage fluctuation > 10%
Fan grid dirty and blocked
Overload
On/Off switch not switched On
No power supply
Power supply not within
operating limits
Fan grid dirty and blocked
Damaged fan or motor
Improper extension cord
Low welding current
Electrode holder is
defective or broken
Low quality or wrong
type of electrode
Defective ground
ENGLISH
PROBABLE SOLUTION
Stop operation. Turn the On/Off switch
Off. Unplug from power source. Restart
only when power recovers to normal
Stop operation. Turn the On / Off switch
Off. Unplug from power source. Restart
only when power recovers to normal
Clean fan grid with a dry
cloth or a soft brush
Stop operation. Allow the
machine to cool down
Turn the On/Off switch On
Connect to power supply
Check power supply and correct
Clean fan grid with a dry
cloth or a soft brush
Contact official service center
Remove extension cord or replace
according to specifications
Adjust welding current
Replace or contact official service center
Make sure the correct electrode is used
Clean and reposition ground.
Replace if defective
English | 55
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