TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
18. BAP WINCH DOES NOT WIND OUT (MODEL B ONLY) (continued).
NOTE
The digital controller and the cab control box are not repairable,
therefore, it is necessary to test the digital controller and cab
interface wiring harnesses, switches, solenoids, and other com-
ponents to identify possible faults other than the digital controller
and the digital cab controller.
12.
TEST OPTIONS
KNOWN INFO
Error Code, EC 06.
Is there continuity
Continuity Tests.
Remote control unit OK.
measured at the winch
REASON FOR QUESTION
Remote control cable
out valve solenoid?
OK.
If there is no continuity
Cab digital control box
at the designated
OK.
positions on the winch
Cab interface wiring
out valve solenoid, the
harness OK.
24 volt power from the
Digital controller wiring
digital control box does
harness OK.
not activate the valves.
POSSIBLE PROBLEMS
Winch out valve faulty.
Digital control box faulty.
Repair or replace
winch out
NO
directional control
valve (para 5-25).
YES
If all previous
tests were
completed with a
satifactory result,
replace digital
cab control box
4-410.8
4- 02
Change 1
