Engine Cranks But Will Not Start (Lp Units); Test - Generac Power Systems Guardian 5410 Repair Manual

Problem 7 – Engine Cranks But Will Not Start (LP Units)
(Overcrank Warning Code on SW1 LED – 3 Flashes)
TEST 25 –
CHECK FUEL
SUPPLY
LOW LP PRESSURE
REPLENISH FUEL SUPPLY
TEST 41 – CHECK
LPG FUEL
SOLENOID
BAD
REPAIR OR
REPLACE
WEAK SPARK / NO SPARK /
INTERMITTENT SPARK
TEST 31 – CHECK
AND ADJUST
IGNITION
MAGNETOS
BAD
TEST 32 – CHECK
VALVE
NO START
ADJUSTMENT
BAD
ADJUST VALVES
TEST 26 – CHECK
O.K.
WIRE 14 POWER
SUPPLY
BAD
TEST 29 –
CHECK
IGNITION
SPARK
GOOD
REPLACE MAGNETOS
TEST 35 – CHECK
ENGINE / CYLINDER
LEAK DOWN TEST /
COMPRESSION TEST
BAD
TROUBLESHOOTING FLOWCHARTS
GOOD
REPLACE
PRINTED CIRCUIT
BOARD
GOOD
TEST 30 –
CHECK SPARK
PLUG
CLEAN AND REGAP OR
REPLACE SPARK PLUG
GOOD
REPAIR OR REPLACE
AS NECESSARY
Section 6
TEST 20 – CHECK
START-STOP
SWITCH
BAD
REPLACE
BAD
SWITCH
GOOD
GOOD
CHECK
FLYWHEEL KEY
– SEE TEST 31
ON PAGE 57
Page 31