TM 55-1510-220-MTF
SECTION III. TROUBLESHOOTING
General.
This section contains troubleshooting information that has been referenced in the Section II
checklist. This section lists possible conditions, abnormal conditions and indications and probable causes. The
information is to be used only as a quick reference and may not be all-encompassing.
TROUBLESHOOTING GUIDE A - STARTING
CONDITION
PROBABLE CAUSE
A1.
Both starters inoperative.
a.
No power on aircraft.
b.
Low battery.
c.
Loose connection or open circuit between battery and power cabinet.
A2.
One starter inoperative.
a.
Starter relay inoperative.
b.
Poor ground at starter.
c.
Open circuit.
d.
Defective starting motor.
e.
Switch defective.
f.
Defective generator control panel.
g.
Circuit breaker tripped.
A3.
Engine slow to start or does not start.
a.
Low battery.
b.
High resistance in starter circuit.
c.
Defective starter-generator.
d. Defective generator control panel.
A4.
Excessive starting RPM.
3-1
