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Page Title:
TSUM - 3-024 Power Failure Part 3 |
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 TM 5-5420-279-23
TSUM - 3-024 Power Failure Part 3
Part 3
Is
24VDC present
Replace harness G406-8702.
at plug IE-08 pins A & B?
No
See Appenix H, figure 3 and
See W iring Diag G406-8604
m aintenance procedure
Sheet 2 at Appendix G
5-139
Yes
Ensure continuity of
+24VDC(4) line from TB4a
through CB3 (pins 1 & 2),
Is
TB3a, CB1 (pins 1 & 2) to
No
CONTROLLER
Ensure CB3 is reset
24VDC supply at TB1a.
LED lit on Supplies
See W iring Diag G406-8604
Status Indicator?
Sheets 8 & 9 at Appendix G
Annex 4 Pages 8 & 9. See
m aint procedure 5-142
Yes
Is
No
Connect Tail Lift Pendant
Tail Lift Pendant
connected?
Yes
Confirm CB1 is reset.
Is
Confirm 24V supply exists at
No
VEHICLE SUPPLY
CB1 o/p pin 2. See W iring
LED lit on Supplies
Diag G406-8604 sheet 8 at
Status Indicator?
Yes
Internal fault in Interface
Enclosure. Replace Interface
Enclosure. See m aintenance
procedure 5-098
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