WeldCorp MIG 125, Owner'S Operating Manual, Page: 9 / 21

Page 8
WELDER INFORMATION (cont.)
Pressing and turning ENC-2, it is possible to set the following functions, shown on the
display DISP-2:
PROTECTION DEVICE
The duty cycle is the fraction or percentage of a ten-minute cycle that a power source may
be used without overheating. For example, a welding machine with 150 amp - 30% duty
cycle can weld continuously at 150 amps for 3 minutes, and then must cool down during the
remaining 7 minutes to prevent overheating, with the ambient temperature of 40”C.
Use the machine with the proper duty cycle according to the selected welding current allows
to prevent overheating. In case of overheating of the machine, the display will flash and
show the code “HOO”, the yellow LED (LED term) is on to indicate that the thermal protection
is on.
You can start welding again as soon as the word “HOO” disappears from the display.