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Section 6
TROUBLESHOOTING FLOWCHARTS
Page 26
REPAIR OR
REPLACE
THEN RE-TEST
REPAIR
OR
REPLACE
REPAIR
OR
REPLACE
REPAIR
OR
REPLACE
REPLACE
VOLTAGE
REGULATOR
TEST 4 – PERFORM
FIXED EXCITATION TEST
/ ROTOR AMP DRAW
D
A
CB
Problem 2 –
Generator Produces Zero Voltage or Residual Voltage (5-12VAC)
RESET TO
“ON”
OR REPLACE
IF BAD
TEST 11 – CHECK
MAIN CIRCUIT
BREAKER
TEST 5 – CHECK
FIELD BOOST
TEST 6 – TEST
STATOR DPE
WINDING
TEST 8 – CHECK
BRUSH LEADS
TEST 9 –
CHECK
BRUSHES &
SLIP RINGS
TEST 10 –
CHECK ROTOR
ASSEMBLY
TEST 7 – CHECK
SENSING LEADS /
POWER WINDINGS
INSULATION
RESISTANCE
TEST, PAGE 13
INSULATION
RESISTANCE
TEST, PAGE 13
TEST ROTOR
INSULATION,
PAGE 14
BAD
BAD
BAD
BAD
BAD
BAD
BAD
BAD
BAD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD