ESAB Powercut 650 Manuel D'instructions page 120

SECtIoN 5
E. Amber "fAult" light oN.
•
NOTE:
Is the unit overheated?
("Fault" lights turns off
when Unit cools down.)
Yes
Duty cycle exceeded:
40% @ 40 A, 60% @ 30 A,
or 100% @ 22 A output
Is input voltage within ±15% of units input rating?
Yes
Adjust voltage •
figure 5-5. Sequence of operations
Fault light will energize if input voltage goes below or above ±15% of units
input rating. The light will not turn OFF even when correct voltage is restored.
Reset by placing POWERCUT 650 power switch OFF and then ON again.
When in LOCK-IN mode, the FAULT light will turn on during second
"trigger". This does not affect performance. Turn off.
No
Is air flowing?
Yes
No
Repair power source
120
MAINtENANCE
No
See Sect 5.1