TM 10-3930-675-24-1
TOPHANDLER TWISTLOCKS AND FORKLIFT SENSOR TROUBLESHOOTING
THIS WORK PACKAGE COVERS
Error Code 212 - Tophandler Left Twistlocks Indication
Error Code 243 - Tophandler Twistlock Locking Circuit
Failure
Failure
Error Code 213 - Tophandler Right Twistlocks Indica-
Error Code 246 - Tophandler Twistlock Unlocking Cir-
tion Failure
cuit Failure
Error Code 214 - Tophandler Forklift Sensor Indication
Failure
INITIAL SETUP
References
TM 10-3930-675-10
Current Supply (A34738.0200) (WP 0048 00-31)
ECS Attachment (A34652.0200) (WP 0048 00-23)
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 212 - Tophandler Left Twistlocks Indication Failure Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 212 - Tophandler Left Twistlocks 1. Enter DIAG ATTACHMENT a. Use the override switch to
Indication Failure.
4(16) in the diagnostic menu.
operate the twistlocks (TM 10-
Check the left twistlocks
3930-675-10). Observe the
LOCKED and UNLOCKED
status indication in the
status. (Logical Error indicates
diagnostic menu screen.
both twistlock signals are ON
Observe the changing of the
at the same time.)
twistlock indicator lights.
b. If both LOCKED and
UNLOCKED are "1" at the
DIAG ATTACHMENT 4(16)
same time, continue with step
TWIST LOCK
2.
LE UNL. 1 RI UNL. 1
2. Inspect the left twistlock a. Replace damaged proximity
LE LOCK 0 RI LOCK 0
proximity
switches
for
switch (WP 0075 00).
damage, obstructions, and b. Remove any obstructions and
adjustments.
clean proximity switch ends.
c. Check and adjust proximity
switch gap (5mm) (WP 0075
00).
