TM 9-6115-729-24
0008
TROUBLESHOOTING USING AL FAULT CODES - Continued
SYMPTOM
6.
AL 7
MALFUNCTION
Generator Over Voltage
CORRECTIVE ACTION
STEP 1.
Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
On EMCP turn the ENGINE CONTROL switch to COOL DOWN/STOP.
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 (WP 0085,
Table 2).
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 65.
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.
On EMCP turn the ENGINE CONTROL switch to COOL DOWN/STOP.
STEP 2.
On GSC keypad, press ALARM CODES.
STEP 3.
Verify AL8 appears on upper display. Go to WP 0010, SYMPTOM 6 and
troubleshoot.
STEP 4.
Verify if any faults are displayed on DVR. Check set points (WP 0085,
Table 2).
a. If no DVR fault codes are displayed, check ATB fuses (FO-1, Sheet 5).
b. If DVR fault code 701 is present, troubleshoot per WP 0010, SYMPTOM 6.
STEP 5.
Verify that the problem has been resolved.
STEP 6.
Troubleshoot per WP 0009, CID 1169 FMI 02, SYMPTOM 65.
STEP 7.
Verify if any fault codes displayed and record.
STEP 8.
If problem has not been resolved, troubleshoot per WP 0009.
STEP 9.
Verify that the problem has been resolved.
0008-6
