Generac Power Systems CorePower 6/7 kW 60 Hz Diagnostic Repair Manual page 73

ENGINE/DC CONTROL
TEST 60 – CHECK
GOOD
FUEL SUPPLY AND
PRESSURE
BAD
FIND AND CORRECT
CAUSE OF NO FUEL
OR LOW PRESSURE
CHECK AIR FILTER -
REPLACE AS NEEDED
TEST 64 –
CHECK FOR
GOOD
IGNITION
SPARK
BAD
TEST 79 – CHECK
GOOD
SHUTDOWN WIRE
BAD
REPAIR OR
REPLACE SHORTED
WIRE 18 OR
CONTROLLER
PART 4
Problem 22 – Engine Cranks but Won't Start
Problem 22 – Engine Cranks but Won't Start
TEST 61 – CHECK
CONTROLLER
WIRE 14 OUTPUT
BAD
REPLACE CONTROLLER
TEST 65 –
GOOD
CHECK SPARK
PLUGS
BAD
CLEAN,
REGAP OR
REPLACE
TEST 67 – CHECK
IGNITION
MAGNETO
BAD
ADJUST OR
REPLACE
TEST 62 – CHECK
GOOD
FUEL SOLENOID
REPLACE FUEL SOLENOID
GOOD
TEST 70 –
CHECK AND
ADJUST VALVES
BAD
READJUST
CHECK
GOOD
FLYWHEEL
KEY
Section 4.4
Troubleshooting Flowcharts
BAD
TEST 63 – CHECK
CHOKE SOLENOID
BAD
REPLACE CHOKE
SOLENOID
TEST 66 –
CHECK ENGINE
GOOD
COMPRESSION
GOOD
REPLACE FUEL
REGULATOR
CONTACT
TECHNICAL
SERVICE
GOOD
BAD
Page 71