TM 9-6115-730-24
0008
TROUBLESHOOTING USING AL FAULT CODES - Continued
CORRECTIVE ACTION - Continued
STEP 5.
Check engine oil level and service engine if oil is low per TM 9-6115-730-10.
STEP 6.
If fault codes displayed, troubleshoot per fault code (WP 0009).
STEP 7.
Verify setpoints P013 or P014 (WP 0083, Table 4).
STEP 8.
Verify the problem has been resolved.
SYMPTOM
4.
AL 4
MALFUNCTION
Fault Detected by Engine ECM
CORRECTIVE ACTION
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 AL4 appears on upper display.
STEP 4.
Verify if any fault codes or engine fault codes are displayed on upper display and
record. Troubleshoot per displayed fault codes (WP 0009).
STEP 5.
Verify the problem has been resolved.
WARNING
Cooling system operates at high temperature and pressure. Contact with high pressure steam
and/or liquids can result in burns and scalding. Shut down generator set, and allow system to cool
before performing checks, services, and maintenance. Failure to comply can cause injury or
death to personnel.
SYMPTOM
5.
AL 5
MALFUNCTION
Low Engine Coolant Level
CORRECTIVE ACTION
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 AL5 appears on upper display.
STEP 4.
Verify if any fault codes or engine fault codes are displayed on upper display and
record.
0008-4
