BAD OK ON OFF
OK
BAD
OK
1
ZERO OR LOW
VOLTAGE
Check Gen Fuse
Check Main
Breaker is “ON”
Replace
Fuse
Turn “ON”
Breaker
Main Coil
Output to
Breaker
OK
BAD
Check Ohm’s on
Exciter Leads
24 V Battery Test
Replace Exciter
Wiring To
Panel
Defective
Breaker
Replace
Voltage Regulator
