Elite SI9500MP Manual De Usuario página 65

Fenómeno
The power indicator is
off after powering on
The automatic air
switch on the rear
panel is automatically
powered off
immediately once
turning on the welding
power supply
The automatic air
switch on the rear
panel of the welding
power supply is
automatically powered
off during the welding
process.
Welding current cannot
be adjusted
Unstable arc and large
spatter
CO2 gas regulator does
not heat
KEEP WORKiNG KEEP WORKiNG
Keep Working
Análisis de causa
No power inside control cabinet
Air switch on rear panel is damaged
Damage of power transformer
Damage of control panel
Damage of indicator light
Failure of automatic air switch
Damage of IGBT module
Damageof three-phase rectifier bridge
Damage of welding power supply control panel Replace welding power supply control panel
Long-term overload running
Damage of air switch
Breakage of wire feeder control cable or
damage of controller
Damage of circuit board of welding power
supply controller
Damage of current sensor inside welding
power supply
Wrong welding condition
Severe wear of contact nozzle
Damage of CO2 gas regulator
Breakage or short circuit of heating cable
Damage of heater fuse
Insufficient air pressure inside gas cylinder
Damage of gas meter
Damage of control circuit board
Check if the circuit is in good contact
Replace the air switch
Replace the power transformer and inspect
the control panel
Replace control panel
Replace indicator light
Replace the air switch
Replace the IGBT module, check the
secondary rectifier and control board at the
same time
Replace the three-phase rectifier bridge
Use according to welding power supply load
rate
Change air switch
Replace wire feeder control cable or controller
Change the control panel
Change the current sensor
Fine tuning the welding specification
Change contact nozzle
Change CO2 gas regulator
Repair heating cable
Change the heater fuse
Inspect air pressure inside gas cylinder
Change gas meter
Change control circuit board
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Solución