Generac Power Systems CorePower User Manual

PART 4
ENGINE/DC CONTROL
Page 49
PART 4 – Engine/DC Control ..............................................49
Section 4.1 – Description and Components .......................50
General ................................................................. 50
Terminal Strip / Interconnection Terminal ............... 50
Controller ............................................................. 50
Auto-Off-Manual Switch ........................................ 50
7.5 Amp Fuse ....................................................... 50
Alarms ................................................................. 52
Clear Alarms ......................................................... 52
Warnings .............................................................. 52
Section 4.3 – Operational Analysis .................................... 54
Utility Source Available .......................................... 54
Utility Failure and Engine Cranking ......................... 55
Utility Failure and Engine Running .......................... 56
Section 4.4 – Troubleshooting Flowcharts .........................57
Problem 20 – Engine Will Not Crank When
Utility Power Source Fails ...................................... 57
Problem 21 – Engine Will Not Crank When
AUTO-OFF-MANUAL Switch is Set to “MANUAL” ... 57
Problem 22 – Engine Cranks but Won’t Start ......... 58
Problem 23 – Engine Starts Hard and
Runs Rough / Lacks Power / Backfires .................. 59
Problem 24 – Shutdown Alarm/Fault Occurred ...... 60
Problem 25 – 7.5 Amp Fuse (F1) Blown ................ 61
Problem 26 – Generator Will Not Exercise ............. 61
Problem 27 – No Battery Charge ........................... 61
Section 4.5 – Diagnostic Tests .......................................... 62
Introduction .......................................................... 62
Safety ................................................................... 62
Engine/DC Troubleshooting .................................. 62
Test 52 – Check Position Of
Auto-Off-Manual Switch ....................... 62
Test 53 – Try a Manual Start ................................ 63
Test 54 – Test Auto Operations .............................. 63
Test 55 – Check 7.5 Amp Fuse.............................. 63
Test 56 – Check Battery ........................................ 63
Test 57 – Check Wire 56 Voltage ........................... 65
Test 58 – Test Starter Contactor ............................ 65
Test 59 – Test Starter Motor .................................. 66
Test 60 – Check Fuel Supply and Pressure ............ 67
Test 61 – Check Circuit Board Wire 14 Output ....... 68
Test 62 – Check Fuel Solenoid .............................. 69
Test 63 – Check Choke Solenoid ........................... 69
Test 64 – Check for Ignition Spark ......................... 69
Test 65 – Check Spark Plugs ................................ 70
Test 66 – Check Engine / Cylinder Leak
Down Test / Compression Test ............... 71
Cylinder Leak Down Test ........................ 71
Check Compression ............................... 71
Test 67 – Check Ignition Coil ................................. 72
Test 68 – Check Oil Pressure Switch And Wire 86 . 72
Test 69 – Check High Oil Temperature Switch ........ 73
Test 70 – Check and Adjust Valves ........................ 74
Test 71 – Check Wire 18 Continuity ....................... 75
Test 72 – Test Exercise Function ........................... 75
Test 73 – Test Cranking and Running Circuits ........ 75
Test 74 – Test Run Circuit ..................................... 76
Test 75 – Test Crank Circuit .................................. 76
Test 76 – Check Battery Charger Supply Voltage.... 76
Test 77 – Check Battery Charger Output Voltage .... 77
Test 78 – Check Wire 0/15B.................................. 77
Test 79 – Check Shutdown Wire ........................... 77

Generac Power Systems CorePower Specifications

General

Brand	Generac Power Systems
Model	CorePower
Category	Portable Generator
Language	English