TM 9-6115-730-24
0008
TROUBLESHOOTING USING AL FAULT CODES - Continued
CORRECTIVE ACTION - Continued
STEP 7.
Troubleshoot per displayed fault codes and WP 0009.
STEP 8.
Verify the problem has been resolved.
STEP 9.
If not, replace Overload/Short Circuit Module (WP 0042).
SYMPTOM
13.
AL 14
MALFUNCTION
Phase A No Voltage Input at GSC input (P7-10)
CORRECTIVE ACTION
STEP 1.
Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
Turn the ENGINE CONTROL switch to MANUAL START.
STEP 2.
Verify that generator set load is properly balanced between each of the three
phases and that the generator set is not overloaded.
STEP 3.
Verify that problem is resolved. If not, continue to the next step.
STEP 4.
On GSC keypad, press ALARM CODES.
STEP 5.
Verify AL14 appears on upper display. Check setpoints per WP 0083.
STEP 6.
Troubleshoot A5F1 on AC transformer box (ATB) A5 per WP 0011,
SYMPTOM 4.
STEP 7.
If indicated, replace A5F1 on back of ATB A5 (WP 0042).
a. Verify the problem has been resolved.
b. If not, replace ATB A5 (WP 0042).
STEP 8.
Verify that problem has been resolved.
SYMPTOM
14.
AL 15
MALFUNCTION
GSC Configuration Error
STEP 1.
Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
Turn the ENGINE CONTROL switch to COOL DOWN/STOP.
STEP 2.
On GSC keypad, press ALARM CODES.
STEP 3.
Verify AL15 appears on upper display. Check setpoints per WP 0083, Table 1,
Table 3, and Table 5.
STEP 4.
Verify if any fault codes or engine fault codes are displayed on upper display and
record.
a. Troubleshoot per displayed fault codes and WP 0009.
b. Turn ENGINE CONTROL switch to MANUAL START.
0008-9
