TM 9-6115-729-24
0008
TROUBLESHOOTING USING AL FAULT CODES - Continued
NOTE
This alarm code should occur only when the generator sets are operated in parallel mode.
SYMPTOM
15.
AL 16
MALFUNCTION
Incorrect Phase Sequence - Paralleling fault code
CORRECTIVE ACTION
STEP 1.
On EMCP set ENGINE CONTROL switch to OFF/RESET. Battery Disconnect
switch is OFF; DEAD CRANK SWITCH is OFF.
STEP 2.
Verify that paralleling cables are securely connected between generator sets to
be paralled.
STEP 3.
Verify that load cables are connected observing proper phase polarity.
STEP 4.
Verify that generator sets are set for same output voltage.
STEP 5.
Parallel generator sets per TM 9-6115-729-10, WP 0006.
a. Verify the problem has been resolved.
b. If problem remains, verify if any fault codes or engine fault codes are
displayed on GSC upper display and record.
STEP 6.
Set Battery Disconnect Switch to ON. Set DEAD CRANK SWITCH to NORMAL.
On EMCP turn the ENGINE CONTROL switch to COOL DOWN/STOP.
STEP 7.
On GSC keypad, press ALARM CODES.
STEP 8.
Verify AL16 appears on upper display. Check setpoints per WP 0085.
STEP 9.
Verify if any fault codes or engine fault codes are displayed on upper display and
record.
a. On EMCP set SYNC MODE switch to OFF.
b. Troubleshoot per displayed fault codes and WP 0009.
STEP 10.
Verify the problem has been resolved.
0008-11