TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
11. HOOK ARM DOES NOT LOAD IN MANUAL MODE (continued).
4.
TEST OPTIONS
KNOWN INFO
Error Code, EC 05 and/
Continuity Test.
Is there continuity
or EC 17.
measured between
REASON FOR QUESTION
Cab controls OK.
the remote control
Remote control unit OK.
cable, between
If there is an open circuit
connectors P8 and
in the remote control
POSSIBLE PROBLEMS
P9?
cable, the signal from
the remote control unit
Remote control cable
will not reach the
faulty.
junction box.
Remote linking harness
faulty.
Replace remote
NO
control cable.
YES
MODEL B, Go
to Step 12.
4-200
Change 1
