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Generac Power Systems 16 kW NG User Manual

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Page 38
STOP 
TESTING
GOOD
REPLACE
BAD
REPLACE 
STATOR
REPLACE 
STATOR
REPLACE 
ROTOR
TEST 1 - CHECK 
MAIN CIRCUIT 
BREAKER
TEST 8 - TEST 
BRUSHLESS 
STATOR 
TEST 9 - 
CHECK 
CAPACITOR
REPLACE 
CAPACITOR
TEST 10 - TEST 
DPE WINDING
TEST 21 - 
FIELD FLASH 
ALTERNATOR
TEST 2 - 
CHECK AC 
OUTPUT 
VOLTAGE
BAD
BAD
GOOD
ON
GOOD
GOOD
Problem 2 - Generator Produces Zero Voltage or Residual Voltage
(8/10 kW)
RESET TO 
“ON”
OR REPLACE 
IF BAD 
BAD
TEST 4 - PERFORM 
FIXED EXCITATION / 
ROTOR AMP DRAW 
TEST 7 - TEST 
STATOR 
TEST 7 - TEST 
STATOR 
TEST 13 - 
TEST ROTOR 
ASSEMBLY
TEST 13 - 
TEST ROTOR 
ASSEMBLY
REPAIR 
OR 
REPLACE
BAD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
GOOD
BAD
BAD
BAD
BAD
BAD
BAD
BAD
RE-TEST 
TEST 4
RE-TEST 
TEST 4
REPAIR 
OR 
REPLACE 
Problem 1 - Generator Produces Zero Voltage or Residual Voltage
(12-20 kW Continued)
F
E
H
PERFORM STATOR 
INSULATION 
RESISTANCE TEST - 
SECTION 1.4
PERFORM STATOR 
INSULATION 
RESISTANCE TEST - 
SECTION 1.4
PERFORM ROTOR 
INSULATION 
RESISTANCE TEST - 
SECTION 1.4
PERFORM ROTOR 
INSULATION 
RESISTANCE TEST - 
SECTION 1.4
Part 2
AC GENERATORS
sEctioN 2.3
trouBlEsHootiNG floWcHarts