Fe h, Part 2, Troubleshooting flowcharts – Generac Power Systems 8 kW LP User Manual
Page 40
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