ESAB Powercut 650, Instruction Manual, Page: 26 / 56

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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.
NOTE: When in LOCK-IN mode, the FAULT light will turn on during second
"trigger". This does not affect performance. Turn off.
•
e. amber "fault" light on.
Is the unit overheated?
("Fault" lights turns off
when Unit cools down.)
Yes No
Is air flowing?
Duty cycle exceeded:
40% @ 40 A, 60% @ 30 A, Yes No
or 100% @ 22 A output
See Sect 5.1
Is input voltage within ±15% of units input rating?
Yes No
Adjust voltage • Repair power source
figure 5-5. sequence of operations
section 5 maintenance