Prest-O-Lite 550 Instruction Manual page 34

sectioN 6
e. Temperature leD light on.
Is the unit overheated?
(LED turns off
when unit cools down.)
Yes
Duty cycle exceeded:
40% @ 35 A
or 100% @ 22 A output
f. no current output
Is input voltage within -10% of units input rating?
Yes
No
Is cooling air flowing?
Repair power source
No
See (D.) sequence above
Unsolved
Repair/replace Inverter
34
trouBleshootiNg
Yes No
Repair fan