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Page Title:
24 VDC CIRCUITS DO NOT OPERATE (CONT) |
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 TM 9-2320-366-20-1
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
WARNING
Read WARNING
KNOWN INFO
TEST OPTIONS
on following page.
18.
Continuity Test or
Service drive lights OK.
STE/ICE-R Test #91
Circuit breaker CB70 OK.
Is continuity present from
REASON FOR QUESTION
Batteries OK.
terminal lug TL39 to
If continuity is not present,
200 AMP terminal block OK.
terminal lug TL37?
battery to 200 AMP terminal
block 24 VDC cable assembly
POSSIBLE PROBLEMS
is faulty.
Faulty 200 AMP reverse
polarity relay OK.
Faulty battery to 200 AMP
NO
terminal block 24 VDC cable
assembly.
Faulty 200 AMP terminal block
to reverse polarity relay 24
Replace battery to 200 AMP terminal
VDC battery cable.
YES
block 24 VDC cable assembly
Faulty 200 AMP terminal block
(para 20-53).
to reverse polarity relay 24
VDC load cable.
Faulty 200 AMP terminal block
to power distribution panel
(PDP) 24 VDC cable.
2-284.18
Change 1
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