Generac Power Systems 5413, 5412, 5411, 5415, 5414 Section TROUBLESHOOTING FLOWCHARTS, Start-Stop

Section 6

TROUBLESHOOTING FLOWCHARTS

Problem 7 – Engine Cranks But Will Not Start (Gasoline Units) (Overcrank Warning Code on SW1 LED – 3 Flashes)

	TEST 25 –		TEST 26 – CHECK						TEST 20 – CHECK
		O.K.
	CHECK FUEL		WIRE 14 POWER				GOOD		START-STOP
	SUPPLY			SUPPLY					SWITCH
						REPLACE
										BAD
	LOW FUEL
				BAD	PRINTED CIRCUIT
						BOARD		REPLACE
								BAD
REPLENISH FUEL SUPPLY								SWITCH
					GOOD

TEST 15 – CHECK

FUEL PUMP

OPERATION

BAD

REPLACE

FUEL

PUMP

TEST 31 – CHECK

AND ADJUST

IGNITION

MAGNETOS

TEST 28 –

GOOD

CHECK FUEL

GOOD

SOLENOID

REPLACE

BAD

SOLENOID

TEST 29 –

CHECK

IGNITION

SPARK

GOOD

TEST 30 –

CHECK SPARK

GOOD

PLUGS

WEAK SPARK / NO SPARK /

INTERMITTENT SPARK

CLEAN AND REGAP OR

BAD

REPLACE MAGNETOS

REPLACE SPARK PLUG

TEST 33 – CHECK	GOOD
CARBURETION

ADJUST OR REPAIR

TEST 34 – CHECK
CHOKE			GOOD
SOLENOID
		ADJUST OR REPAIR
	BAD

TEST 32 – CHECK
VALVE	NO START
ADJUSTMENT

BAD

ADJUST VALVES

TEST 35 – CHECK
ENGINE / CYLINDER
	GOOD
LEAK DOWN TEST /
COMPRESSION TEST

BAD

REPAIR OR REPLACE

AS NECESSARY

CHECK

FLYWHEEL KEY

–SEE TEST 31 ON PAGE 57

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