Page 18
too slow
Electrode too far
away from work piece
surface
Reduce the torch or put
torch on the workpiece
cutting
The Nozzle or
electrode are faulty
Replace
Control transformer
short circuit
Check and replace
Solenoid valve short
circuit
Check and replace
Cooling fan short
circuit
Check and replace
Work excess the
rated duty circle
Use under rated duty
circle
9
Power supply switch jump
Input voltage is too
high
Use proper voltage
10
The power light illuminated, the
Protection light stay illuminated and
the torch will not fire
One of the internal
thermostat switches
has opened due to
over heating
Leave Power supply on to
allow the fan to cool the
machine. Then shut the
power supply down and
restart. Clean the internal
air filter.
11
Torch sputters and hisses
The gas filter at the
rear of the machine
contains excessive
moisture
Drain the filter bowl and
clean the filter. See
MAINTENANCE
SECTION.
Table 4.2
If you are unable to fix the problem with your plasma cutting machine by following this
basic troubleshooting guide or if you need further assistance:
1. Call your distributor. He will be able to help you, or refer you to an authorized repair
facility.
2. Call the company office, which listed in the back of this manual.
