Generac Power Systems 5414, 5412, 5411, 5413, 5415, 5410 manual Section TROUBLESHOOTING FLOWCHARTS

Section 6

TROUBLESHOOTING FLOWCHARTS

Problem 2 – Generator Produces Zero Voltage or Residual Voltage (5-12VAC)

TEST 11 – CHECK

MAIN CIRCUIT

BREAKER

RESET TO

“ON”

OR REPLACE

IF BAD

GOOD

	TEST 4 – PERFORM
	FIXED EXCITATION TEST
A	/ ROTOR AMP DRAW
	B	C

D

TEST 8 – CHECK

BRUSH LEADS

GOOD

BAD

TEST 5 – CHECK

FIELD BOOST

BAD

TEST 6 – TEST STATOR DPE WINDING

GOOD

BAD

REPAIR

OR

REPLACE

TEST 9 –

CHECK

BRUSHES & SLIP RINGS

BAD

GOOD

REPAIR OR

REPLACE

THEN RE-TEST

INSULATION RESISTANCE TEST, PAGE 13

BAD

GOOD

REPAIR

OR

REPLACE

REPLACE VOLTAGE

REGULATOR

TEST 10 –

CHECK ROTOR

ASSEMBLY

BAD

TEST 7 – CHECK SENSING LEADS / POWER WINDINGS

GOOD

INSULATION RESISTANCE TEST, PAGE 13

BAD

REPAIR

OR

REPLACE

BAD

GOOD

TEST ROTOR
INSULATION,	BAD
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