TM 9-6115-729-24
0007
TROUBLESHOOTING USING SP FAULT CODES - Continued
SYMPTOM
1.
SP1
MALFUNCTION
Low Fuel Level.
CORRECTIVE ACTION
STEP 1.
Verify if LOW FUEL LEVEL indicator on alarm module is lit.
STEP 2.
Verify fuel level on fuel level gage.
STEP 3.
If using internal fuel source, perform fuel service and refill TQG per TM 9-6115-
729-10, WP 0016.
STEP 4.
If using external (auxiliary) source, verify that auxiliary fuel line is connected per
TM 9-6115-729-10, WP 0006 and that AUX FUEL pump switch is set to ON.
STEP 5.
Verify that external (auxiliary) fuel is present and clean.
STEP 6.
If external (auxiliary) fuel is present and clean, troubleshoot auxiliary fuel pump
STEP 7.
Verify the problem has been resolved.
SYMPTOM
2.
SP2
MALFUNCTION
DVR fault (WP 0010).
CORRECTIVE ACTION
STEP 1.
Troubleshoot DVR fault per WP 0010.
STEP 2.
If no DVR fault codes are displayed or if DVR will not power up, refer to
WP 0011, SYMPTOM 9.
STEP 3.
Verify the problem has been resolved.
NOTE
SP3 and SP4 active during paralleling only.
SYMPTOM
3.
SP3
MALFUNCTION
Bus Frequency Fault (Paralleling Only).
When main contactor relay K1 is energized and one or both of the following is true for more than 2
is greater than 0.2 Hz. The difference in phase between the generator and the bus is greater than 10
degrees. The GSC will stop synchronization process until the fault is cleared and corrected.
0007-2
