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TM 9-2320-364-20-3
2-2286
3. LHS OVERLOAD LIGHT DOES NOT OPERATE (CONT).
3.
Are 22 to 28 vdc measured at
main junction box terminal 9
with ENGINE switch in the ON
position?
Go to Step 1 of Fault
4 of this chapter.
YES
NO
LHS OVERLOAD lamp OK.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Voltage test.
STE/ICE-R #89.
If 22 to 28 vdc are not present at
terminal 9, overload differential
pressure switch will not receive
input voltage.
WARNING
Wire 1479 faulty.
Wire 1460 faulty.
Overload differential pressure
switch faulty.
LHS control assy faulty.
Wire 1726 faulty.
Wire 1435 faulty.
Read WARNING
on Page 2-2287
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