TM 9-6115-730-24
0008
TROUBLESHOOTING USING AL FAULT CODES - Continued
CORRECTIVE ACTION - Continued
STEP 5.
Inspect coolant system lines for leaks.
STEP 6.
Inspect engine coolant system per PMCS (WP 0016).
STEP 7.
Open right engine access door and check engine coolant level in coolant
recovery (overflow) bottle. Check if coolant is low and service surge tank
STEP 8.
Troubleshoot per displayed fault codes and WP 0009.
STEP 9.
Verify the problem has been resolved.
SYMPTOM
6.
AL 7
MALFUNCTION
Generator Over Voltage
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.
On GSC keypad, press ALARM CODES.
STEP 3.
Verify AL7 appears on upper display.
STEP 4.
Verify if any faults are displayed on DVR. Check set points per WP 0083.
STEP 5.
If overvoltage 702 present, go to WP 0010, SYMPTOM 7 and troubleshoot.
STEP 6.
Verify that the problem has been resolved.
STEP 7.
Troubleshoot per WP 0009, CID 1169 FMI 02, SYMPTOM 62.
STEP 8.
Verify if any fault codes displayed and record.
STEP 9.
If problem has not been resolved, troubleshoot per WP 0009.
STEP 10.
Verify that the problem has been resolved.
SYMPTOM
7.
AL 8
MALFUNCTION
Generator Under Voltage
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.
On GSC keypad, press ALARM CODES.
STEP 3.
Verify AL8 appears on upper display.
0008-5
