The Generac Guardian Series Air-Cooled Home Standby Generator protects your home automatically 24/7. Runs on natural gas or liquid propane (LP) fuel, and sits outside just like a central air conditioning unit. No refueling, no manual starting and no extension cords are necessary.
Guardian Liquid-cooled 25 kW Generator
®
- Guardian Technologies Portable Generator 004270-2. LLC Portable Generator User Manual. I have a Guardian Generac Mod. 4390 Generator Kw 1. Guardian Generator.
- 4389, 4758 (6 kW NG, 7 kW LP) 4456, 4759 (12 kW NG, 12 kW LP) 4390, 4760 (13 kW, 15 kW LP) DIAGNOSTIC REPAIR MANUAL AUTOMATIC HOME STANDBY GENERATORS Visit us online at www.guardiangenerators.com AIR-COOLED.
INTRODUCTION........................IFC
Read this Manual Thoroughly...................IFC
Operation and Maintenance....................IFC
How to Obtain Service........................IFC
Authorized Service Dealer Location..............IFC
SAFETY RULES..........................2
1.1Generator...............................4
1.2Transfer Switch..........................4
1.3Automatic System Operation................4
1.4Generator AC Connection Systems............4
1.5Main Circuit Breaker......................5
1.6Generator Fuel System.....................5
1.7Engine Protective Devices...................5
1.8Unpacking..............................6
1.9Lifting the Generator......................6
1.10Specifications............................6
1.11Fuel Consumption........................7
1.12Reconfiguring the Fuel System for LP Vapor.....7
1.13Engine Oil Recommendations...............8
1.14Coolant Recommendations..................8
1.15Before Installation........................8
Section 2 — INSTALLATION..............8
2.1Standby Generator Installation..............8
2.2Generator Location........................9
2.3Generator Mounting and Support............9
2.4Basic Standby Electric System...............9
15 Kw Propane Generator
2.5Emergency Circuit Isolation Method..........10
2.6Total Circuit Isolation Method..............10
2.7Grounding the Generator..................10
2.8Generator AC Neutral Connections...........10
2.9Using an Engineered “GTS” Transfer Switch ...10
2.10Battery Installation.......................11
2.11Preparation Before Start-Up................12
Section 3 — OPERATION................12
3.1Engineered GTS Transfer Switch............12
3.2Control Console Components...............13
3.3Manual Transfer and Startup...............14
3.4Engine Governor Adjustments ..............14
3.5Retransfer and Shutdown..................15
3.6Automatic Operation.....................15
3.7Weekly Exercise Cycle.....................15
3.8Control Board DIP Switch Settings..........16
Section 4 — MAINTENANCE.............16
Service Facilities.........................16
4.2Exhaust Manifold Procedure...............17
4.3Intake Manifold Procedure.................17
4.4Cylinder Head Procedure..................17
4.5Cooling System..........................17
Electrical System........................18
4.7Checking Fluid Levels....................18
Can Perform............................18
4.9Miscellaneous Maintenance................20
4.10Scheduled Maintenance...................21
Section 6 — NOTES....................25
Section 8 — EXPLODED VIEWS AND
Section 9 — INSTALLATION DIAGRAM .....51
Section 10 — WARRANTY................52
Advertising
TROUBLESHOOTING GUIDE
PROBLEM CAUSE
CORRECTION
Engine won’t crank.
1. 15 amp fuse blown.
Generac Guardian Generator Manual
1. Replace fuse.
2. Loose or corroded or defective
2. Tighten, clean or replace
battery cables.
battery cables as necessary.
3. Defective starter contactor.
3. Replace contactor.*
4. Defective starter motor.
4. Replace starter motor.*
5. Dead or Defective Battery.
5. Remove, change or replace battery.
6. 5 amp fuse blown.
6. Replace fuse.*
Engine cranks but won't start
1. Out of fuel.
1. Replenish fuel.
2. Fuel solenoid (FS) is defective
2. Replace solenoid.*
3. Open Wire #14A from Engine Control
3. Reconnect wire.
circuit board.
4. Spark plugs defective.
4. Clean, regap or replace plugs.
5. Door on tank not closed.
5. Close door on tank.
15 Kw Generator Head
Engine starts hard, runs rough.
1. Flame arrestor (air cleaner) plugged or
1. Clean or replace as needed.
damaged.
2. Plugged fuel line.
2. Unclog fuel line.
3. Defective spark plugs.
3. Clean, regap or replace plugs.
4. Fuel pressure incorrect.
4. Confirm fuel pressure to regulator is as
recommended in SPECIFICATIONS.
Engine starts then shuts down.
1. Engine oil level is low.
1. Check oil and add oil as needed.
2. Engine is overheated.
2. Check cooling system for leaks.
3. Defective Low Oil Pressure Switch
3. Replace switch.*
4. Defective Coolant Temperature Switch
4. Replace switch.*
5. Defective Control Module circuit board.
5. Replace board.*
6. Coolant Level is Low.
6. Repair leak - Add coolant.
7. Defective Low Coolant Level Switch
7. Replace Switch.*
Download chicago manual fo style. It recognizes the needs of those who are self-publishing or following open access Commons publishing models. It offers updated guidelines on electronic workflows and publication formats, tools for PDF annotation and citation management, web accessibility standards, and effective use of metadata, abstracts, and keywords. The citation chapters reflect the ever-expanding universe of electronic sources—including social media posts and comments, private messages, and app content—and also offer updated guidelines on such issues as DOIs, time stamps, and e-book locators.Other improvements are independent of technological change. This seventeenth edition of The Chicago Style has been prepared with an eye toward how we find, create, and cite information that readers are as likely to access from their pockets as from a bookshelf.
AUTO/OFF/MANUAL Switch at OFF,
1. Defective AUTO/OFF/MANUAL switch
1. Replace switch.*
engine continues to run
2. Open/disconnected wire #15A between
2. Reconnect/close wire.
AUTO/OFF/MANUAL switch and Control
Module circuit board.
Module circuit board.
3. Defective Control Module circuit board
3. Replace board.*
No AC output from generator.
1. Check main line circuit breaker.
1. Reset to ON or CLOSED.
2. Check circuit breaker & fuses.
2. Reset and replace, if necessary.
3. Transfer switch set to NORMAL position
3. Set to GENERATOR position.
4. Generator
internal
failure.
4.
*
5. Thermal circuit breaker open.
5. Auto-reset - Wait 5 min. and
attempt restart.
*Contact the nearest Authorized Dealer for assistance.
12-1
Standby Generator Sets
Troubleshooting
T rb
lsht001 Rev.
0 08/05
Advertising
Popular Brands
Popular manuals