TM 10-3930-675-24-1
TOPHANDLER TWISTLOCKS AND FORKLIFT SENSOR TROUBLESHOOTING - CONTINUED
0047 00
Table 1. Error Code 212 - Tophandler Left Twistlocks Indication Failure Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Error Code 212 - Tophandler Left Twistlocks 3. Remove cover to X183. Correct any wiring error or
Indication Failure - Continued.
Inspect wire connections at damage (WP 0048 00-24).
pins 5 and 6 (WP 0048 00-24).
Compare wire connections
with the diagram.
4. Make sure the twistlocks are in
If voltage (24V) is found between
the UNLOCKED position.
pins 4 and 6, replace left twistlock
Check voltage (24V) between
LOCKED proximity switch (WP
X183 pins 4 and 5 and between
0075 00).
4 and 6 (WP 0048 00-24).
5. Make sure the twistlocks are in
If voltage (24V) is found between
the LOCKED position. Check
pins 4 and 5, replace left twistlock
voltage (24V) between X183
"locked" proximity switch (WP
pins 4 and 5 and between 4 and
0075 00).
6 (WP 0048 00-24).
6. Remove the cover to X182. a. Correct any wiring error or
Inspect wire connections (WP
damage (WP 0048 00-24).
connections with the diagram.
damage, continuity or shorts
between wires (WP 0113 00).
c. Replace X182 to X183 cable
(WP 0221 00).
7. Check X182 to X181 cable for If X182 and X181 cable is
damage, continuity, or shorts damaged, has no continuity, or is
between wires (WP 0113 00). shorted between wires, replace
X182 to X181 cable (WP 0221
00).
8. Disconnect
ECU
(791) a. Repair or replace damaged
connector 1. Inspect ECU and
wires or connectors (WP 0113
connector pins for damage.
00).
Check continuity and for b. Replace ECU (791) (WP 0077
shorts between wires of the
00).
wiring from connector 1 (WP
25).
0047 00-2
