Lincoln Electric PRO-CUT 125 IM491-B Operator's Manual page 21

STATUS
LIGHTS
SAFETY It is possible that this light could turn on
when power is first applied to machine.
The torch assembly is misconnected or
damaged.
The shield cup assembly is not in place.
While cutting or gouging if the voltage
between the nozzle and the work is too
high, it will put the machine into safety.
If the cable is punctured or cut, it can trip
the SAFETY
CONDITION
– 21 –
SUGGESTIONS
If machine can be reset, it is OK to continue
operation.
Check torch connection to machine.
Securely fasten shield cup assembly in place.
By pressing reset, the machine will be
functional. This occurs most often when the
consumables are wearing out. By removing
the hafnium that builds up on the inside of the
nozzle, it is possible to extend the life of the
consumables.
By pressing reset, it will clear the SAFETY.
When cutting is tried again, the machine will
either go into MALFUNCTION or SAFETY;
until that time, the machine will not indicate a
malfunction condition.