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ERRORS
Table 6 Errors for PRESTOJET 30K
Error code
Symptoms
Cause
Recommended Course of Action
Yellow Overheat
Air flow is blocked.
Fan is blocked.
Faulty components in the
equipment.
Check for air pressure are correct.
Check and correct condition of fan.
turn off the equipment for at least 10
minutes. Make sure the equipment has
not been operated beyond the Duty
Cycle (refer to technology parameters).
Choose the proper voltage (refer to
technology parameters).
Return for repair or have qualified
technician repair per Service Manual.
Red
Cutting torch
disconnection
The cutting torch is not properly
connected to the socket [5] or
the cutting torch is damaged.
Shield cup body is damaged or
incorrectly installed.
Check the plasma torch is not
damaged.
Tighten the plasma cutting torch to the
socket [5].
Tighten the shield cup body.
Table 7 Errors for PRESTOJET 45
Error code
Symptoms
Cause
Recommended Course of Action
E01 Primary
overheat
Air flow is blocked.
Fan is blocked.
Faulty components in the
equipment.
Check for air pressure are correct.
Check and correct condition of fan.
turn off the equipment for at least 10
minutes. Make sure the equipment
has not been operated beyond the
Duty Cycle (refer to technology
parameters).
Choose the proper voltage (refer to
technology parameters).
Return for repair or have qualified
technician repair per Service Manual.
E02 Secondary
overheat
E09 Overheat
E07
Primary NTC not
connected
E08
Primary NTC not
connected
E12
Lack of gas
Gas pressure is too low.
Compressed air system fault.
Check the compressed air system.
Use the pressure regulator control to
set the gas pressure as recommended
in this manual.
E30
Cutting torch
disconnection
The cutting torch is not properly
connected to the socket [5] or
the cutting torch is damaged.
Shield cup body is damaged or
incorrectly installed.
Check the plasma torch is not
damaged.
Tighten the plasma cutting torch to the
socket [5].
Tighten the shield cup body.
WARNING
If for any reason you are unable to perform the recommended actions in the event of a fault, contact the nearest authorized
Lincoln Electric service facility.