Generac Power Systems CorePower User Manual

PART 2
AC GENERATORS
Page 28
Section 2.3
Troubleshooting Flow Charts
REPLACE
ROTOR ONLY
REPLACE
ROTOR ONLY
GOOD
PERFORM ROTOR
INSULATION
RESISTANCE TEST
TEST 9 – TEST
STATOR
BAD
GOOD
Problem 1 – Generator Produces Zero Voltage or Residual Voltage (Continued)
TEST 4 – PERFORM
FIXED EXCITATION /
ROTOR AMP DRAW
F
E
H
BAD
BAD
REPLACE
ROTOR AND
STATOR
BAD
TEST 10 –
TEST ROTOR
ASSEMBLY
TEST 10 –
TEST ROTOR
ASSEMBLY
TEST 9 – TEST
STATOR
GOOD
STOP TESTS
Problem 2 – Generator Produces Low Voltage at No-Load
LOW LOW
FREQUENCY
AND
VOLTAGE O.K.
FREQUENCY O.K.,
BUT VOLTAGE LOW
VOLTAGE O.K.,
BUT VOLTAGE IS
STLL LOW
GO TO “PROBLEM 1”
FLOW CHART - START
AT “TEST 4”
VOLTAGE AND FREQUENCY O.K.
TEST 11 – CHECK
AC OUTPUT
VOLTAGE
TEST 14 – ADJUST
VOLTAGE
REGULATOR
TEST 12 – CHECK
AC OUTPUT
FREQUENCY
TEST 13 - ADJUST
ENGINE
GOVERNOR

Generac Power Systems CorePower Specifications

General

Brand	Generac Power Systems
Model	CorePower
Category	Portable Generator
Language	English