TM 10-3930-675-20-1
0041 00-1
BOOM IN/OUT TROUBLESHOOTING
0041 00
THIS WORK PACKAGE COVERS
Error Code 127 - Joystick-to-ECU (790) Failure
Error Code 130 - Overload Protection System Failure
Error Code 160 - Extension Cylinder Boom IN Control,
Wiring Circuit Failure
Error Code 161 - Extension Cylinder Boom IN Control,
Component Failure
Error Code 163 - Extension Cylinder Boom OUT Con-
trol, Wiring Circuit Failure
Error Code 164 - Extension Cylinder Boom OUT Con-
trol, Component Failure
INITIAL SETUP
References
TM 10-3930-675-10
Current Supply (A34738.0200) (WP 0199 00-31)
ECS Electrical Servo (A34648.0200) (WP 0199 00-5)
NOTE
•
Refer to WP 0004 00 for additional troubleshooting guidance, information, and illustrations
that locate critical components.
•
Refer also to illustrations at end of work package for component location.
Table 1. Error Code 127 - Joystick-to-ECU (790) Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 127 - Joystick-to-ECU (790) Failure
1. Enter “DIAG SERVO 5 (13)”
menu and check BOOM IN/
OUT voltage. If voltage is out
of
range,
perform
the
following steps:
a. Remove ECU (790) cover
from operator’s seat base
and slide ECU mounting
tray out (WP 0079 00).
DIAG SERVO
5(13)
LIFT/LOWER
5.00V
BOOM IN/OUT
5.00V
