TM 9-4940-568-20
2-124
Table 2-21. Crane Troubleshooting (CONT).
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
2. REMOTE CONTROL DOES NOT OPERATE (CONT).
Test 2.
Check for continuity between remote control hook-up connector, terminal B, and
known good ground.
If continuity is not found, repair green wire between remote control hook-up
connector and ground terminal strip in crane junction box. Refer to paragraph
3-16 in this manual.
If continuity is found, go to Test 3.
Test 3.
Disconnect the remote control cable from the remote control unit. Check the cable
for continuity between the two cable ends on terminals B and H, one at a time.
If continuity is not found on either location, replace the remote control cable.
If continuity is found, reconnect the cable to the remote control unit and the remote
control hook-up connector. Then, go to Test 4.
