US
8
TROUBLESHOOTING
ELECTRIC SHOCKS CAN KILL ENSURE THAT THE MAINS VOLTAGE SUPPLY TO
THE MACHINE HAS BEEN DISCONNECTED EXTERNALLY. SWITCH OFF THE
SWITCH AT THE MAINS SOCKET BEFORE INSPECTING OR WORKING IN THE
POWER SOURCE.
PLASMA CUTTING EQUIPMENT USES EXTREMELY HIGH VOLTAGES THAT CAN
CAUSE SEVERE INJURY OR EVEN DEATH. OBSERVE EXTREME CAUTION WHEN
WORKING WITH THE COVERS REMOVED.
Try these recommended checks and inspections before sending for an authorized
service technician.
Type of fault
Insufficient penetration
Main arc extinguishes.
Dross formation (In some materials and
thickensses it may be impossible to get
dross-free cuts.)
Double arcing (Damaged nozzle orifice)
Uneven arc
Unstable cutting conditions
Main arc does not strike.
Poor consumable life
bp23aa
Corrective action
S
Current too low
S
Cutting speed too fast
S
Damaged cutting nozzle
S
Improper air pressure
S
Low air flow rate
S
Cutting speed too slow
S
Worn electrode
S
Current too low
S
Cutting speed too fast or too slow
S
Improper air pressure
S
Faulty nozzle or electrode
S
Low air flow rate
S
Low air pressure
S
Damaged cutting nozzle
S
Loose cutting nozzle
S
Heavy spatter accumulation on nozzle
S
Damaged cutting nozzle or worn electrode
S
Incorrect cutting speed
S
Loose cable or hose connections
S
Electrode and/or cutting nozzle in poor
condition
S
Worn electrode
S
Loose connections
S
Work cable not attached
S
Improper gas pressure
S
Contaminated air supply
S
Low air flow rate
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© ESAB AB 2012