23
7
TROUBLE
SHOOTING
POSSIBLE CAUSES
CHECK
RED INDICATORS ARE OFF = NO SUPPLY
ON/OFF main switch is OFF
Switch it ON
Power supply cable is cuted
Check cable and connections
No main supply
Check circuit breaker and fuses
Defective ON/OFF main switch
Replace the switch
WARMING UP
Duty cycle over rated (if ambient > 25°C)
Let the machine cool, it will automatically start again
Insufficient cooling air
Clean the air inlets
Very dusty machine
Open the generator and blow it through
Fan doesn’t start
Replace the fan
IMPROPER WELDING
Wrong electrode polarity
Use the right polarity according to the indications of
electrode’s manufacturer
Dirtiness in the weld parts
Clean and eventually degrease the weld parts