Problem 16 - Engine Cranks But Will Not Start - Generac Power Systems 7 kW NG Repair Manual

ENGINE/DC CONTROL
TEST 50 – CHECK
GOOD
FUEL SUPPLY AND
PRESSURE
BAD
FIND AND CORRECT
CAUSE OF NO FUEL
OR LOW PRESSURE
GOOD
CHECK AIR FILTER -
REPLACE AS NEEDED
TEST 55 –
CHECK FOR
GOOD
IGNITION
SPARK
BAD
TEST 59 – CHECK
SHUTDOWN WIRE
BAD
REPAIR OR
REPLACE SHORTED
WIRE 18 OR CIRCUIT
BOARD
PART 4
Problem 16 – Engine Cranks but Will Not Start
TEST 51 – CHECK
CONTROLLER
WIRE 14 OUTPUT
BAD
REPLACE CONTROLLER
TEST 12 – CHECK
STEPPER MOTOR
CONTROL
BAD
REPAIR OR REPLACE
TEST 57 –
GOOD
CHECK SPARK
PLUGS
BAD
CLEAN,
REGAP OR
REPLACE
TEST 60 – CHECK
GOOD
IGNITION
MAGNETOS
BAD
ADJUST OR
REPLACE
TEST 52 – CHECK
GOOD
FUEL SOLENOID
REPLACE FUEL SOLENOID
GOOD
TEST 63 –
CHECK AND
ADJUST VALVES
BAD
READJUST
CHECK
FLYWHEEL
KEY
REFER TO ENGINE
SERVICE MANUAL
Section 4.4
Troubleshooting Flowcharts
BAD
TEST 53 – CHECK
CHOKE SOLENOID
BAD
REPLACE CHOKE
SOLENOID
TEST 58 –
CHECK ENGINE
GOOD
COMPRESSION
GOOD
REPLACE FUEL
REGULATOR
GOOD
BAD
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