TM 5-5420-234-14&P
4-12. UNIT TROUBLESHOOTING (continued).
19. BAP WINCH DOES NOT WIND IN (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.
10.
KNOWN INFO
TEST OPTIONS
Error Code, EC 07 and/or
Continuity Tests.
EC 17.
measured at the digital
REASON FOR QUESTION
controller wiring har-
OK.
ness (J3), (J4) and (P2)?
Hydraulic lines, hoses,
at the designated
or fittings OK.
positions on the digital
Cab digital control box
controller wiring
OK.
harness, the 24 volt
Cab interface wiring
power from the cab
harness OK.
digital control box does
not reach the digital
POSSIBLE PROBLEMS
control box.
Digital controller wiring
harness faulty.
Winch in directional
control valve faulty.
Repair or replace
Digital control box faulty.
digital controller
NO
wiring harness
YES
4-414.4
Change 1
8