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TM 9-2320-364-20-3
2-2532
2. HOIST WILL NOT LOWER USING REMOTE CONTROL UNIT (CONT).
3.
Replace switch
(Para 18-4).
Verify repair, go to
Step 9 of this Fault.
YES
NO
Hoist operates using manual
control lever mounted on
crane.
At least one other remote
function operates.
Remote control unit
harness OK.
Controller switch faulty.
Controller circuit card faulty.
Remote control unit cable faulty.
Wire from truck remote control
connector outlet to terminal 16
faulty.
Wire from terminal 16 to
solenoid faulty.
Solenoid black wire faulty.
KNOWN INFO
POSSIBLE PROBLEMS
TEST OPTIONS
REASON FOR QUESTION
Continuity test.
STE/ICE-R #91.
If there is no continuity, 22 to 24
vdc will not be present at
controller circuit card.
Is continu-
ity measured
between switch
COM and NC terminals and not
between COM and NO terminals
when controller lever is in neutral
(center) position, and opposite
when lever is in UP position?
WARNING
Read WARNING
on Page 2-2533
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