TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
11. HOOK ARM DOES NOT LOAD IN MANUAL MODE (continued).
3.
TEST OPTIONS
KNOWN INFO
Error Code, EC 05 and/
Is continuity measured
Continuity Test.
or EC 17.
on the remote control
REASON FOR QUESTION
Cab controls OK.
connector (J9), between
positions L and E and
To verify the function of the
POSSIBLE PROBLEMS
between L and K, with
remote control unit. If
Remote control unit
the hook arm switch in
there is an open circuit
the load position?
faulty.
between either of the two
Remote control cable
test points, the remote
faulty.
control unit is faulty.
Remote linking harness
faulty.
Repair remote
control unit (para
NO
YES
4-198
4-
Change 1
