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
16.
AL 17
MALFUNCTION
Improper Generator or Bus Voltage - Paralleling fault code
CORRECTIVE ACTION
STEP 1.
On generator set GSC displays, check the voltages on for both generator sets
and record output voltages for all phases. All phases should be the same for
both generator sets.
STEP 2.
On EMCP of both generator sets, set ENGINE CONTROL switch to
OFF/RESET. Battery Disconnect switch to OFF; DEAD CRANK SWITCH to
OFF.
STEP 3.
Check both generator sets and verify that all cables are connected properly and
all load terminal connections are tight per TM 9-6115-729-10, WP 0006.
WARNINGS
Metal jewelry will conduct electricity. All jewelry can become entangled in generator set
components. Remove all jewelry when working on generator set. Failure to comply can cause
injury or death to personnel by electrocution.
High voltage is produced when the generator set is in operation. Never attempt to start or
maintain the generator set unless it is properly grounded. Failure to comply can cause injury or
death to personnel.
High voltage is produced when the generator set is in operation. Never attempt to connect or
disconnect load cables while the generator set is running. Failure to comply can cause injury or
death to personnel.
Slave receptacle (NATO connector) is electrically live at all times and is unfused. The Battery
Disconnect switch does not remove power from the NATO connector. Use caution when
connecting or disconnecting cable(s) to the NATO connector to prevent damage to equipment.
Use caution when troubleshooting this circuit. This circuit is only dead when the batteries are fully
disconnected. Failure to comply can cause serious injury or death to personnel.
STEP 4.
Parallel generator sets per TM 9-6115-729-10, WP 0006.
STEP 5.
Verify the problem has been resolved.
0008-12
