ESAB PCM-500i Instruction Manual page 24

SECTION 5
E. Amber "FAULT" light ON.
Is the unit overheated?
("Fault" lights turns off
when Unit cools down.)
Yes
Duty cycle exceeded:
40% @ 35 A, 60% @ 30 A,
or 100% @ 22 A output
Is input voltage within ±15% of units input rating?
Yes
Adjust voltage •
•
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 PCM-500i 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.
24
No
Is air flowing?
No
Repair power source
TROUBLESHOOTING
Yes No
See page 5-2