34
Unsolved
e.
Temperature leD light on.
Is the unit overheated?
(LED turns off
when unit cools down.)
Yes
No
Is cooling air flowing?
Duty cycle exceeded:
40% @ 35 A
Yes
No
or 100% @ 22 A output
Repair power source
Repair fan
f.
no current output
Is input voltage within -10% of units input rating?
Yes
No
See (D.) sequence above
Repair/replace Inverter
sectioN 6
trouBleshootiNg
Summary of Contents for 550
Page 4: ... table of contents ...
Page 20: ...20 section 2 description ...
Page 30: ...30 section 5 maintenance ...
Page 35: ...35 section 6 TROUBLESHOOTING ...
Page 38: ...12 5 4 2 17 14 3 11 7 8 16 10 9 13 6 15 section 7 replacement parts ...
Page 40: ...40 notes ...
Page 41: ...41 notes ...
Page 42: ...notes ...
Page 43: ...Original release 06 2006 03 2007 Revised Title Page layout text revision history ...