TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
12. HOOK ARM DOES NOT UNLOAD IN MANUAL MODE (continued).
4.
TEST OPTIONS
KNOWN INFO
Error Code, EC 04 and/or
Continuity Test.
Is there continuity
EC 17.
measured on the
REASON FOR QUESTION
Cab controls OK.
remote control cable
Remote control unit OK.
connectors, between
If there is an open in the
connectors P8 and
remote control cable, the
POSSIBLE PROBLEMS
P9?
signal from the remote
Remote control cable
control unit will not reach
faulty.
the junction box.
Remote linking harness
faulty.
Replace remote
NO
control cable.
YES
MODEL B, Go
NO
to Step 12.
4-222
Change 1
