KNOWN INFO
TEST OPTIONS
REASON FOR QUESTION
Is continuity present from
200 AMP terminal block
24V LOAD left terminal stud
to right terminal stud?
If continuity is not present,
200 AMP terminal block is
faulty.
e4. 24 VDC CIRCUITS DO NOT OPERATE (CONT)
NO
YES
Continuity Test or
STE/ICE-R Test #91
Replace 200 AMP terminal block
(para 20-69).
17.
Service drive lights OK.
Circuit breaker CB70 OK.
Batteries OK.
POSSIBLE PROBLEMS
TM 9-2320-365-20-1
2-274.16 Change 1
Faulty 200 AMP reverse
polarity relay.
Faulty 200 AMP terminal
block.
Faulty battery to 200 AMP
terminal block 24 VDC cable
assembly.
Faulty 200 AMP terminal block
to reverse polarity relay 24
VDC battery cable.
Faulty 200 AMP terminal block
to reverse polarity relay 24
VDC load cable.
Faulty 200 AMP terminal block
to power distribution panel
(PDP) 24 VDC cable.