Guardian Technologies 04758-2, 04759-2, 04760-2 Troubleshooting Guide, Problem Cause Correction

Page 25

Section 5 — Troubleshooting

Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators

5.1TROUBLESHOOTING GUIDE

PROBLEM

CAUSE

CORRECTION

The engine will not crank.

1.

Fuse blown

1.

Replace 15A fuse on generator

 

 

 

 

control panel.

 

2.

Loose, corroded or defective

2.

Tighten, clean or replace

 

 

battery cables

 

as necessary.

 

3.

Defective starter contactor (7 kW) 3.

*

 

4.

Defective starter motor

4.

*

 

5.

Dead Battery

5.

Charge or replace battery.

 

 

 

 

 

The engine cranks but

1.

Out of fuel

1.

Replenish fuel.

will not start.

2.

Defective fuel solenoid (FS)

2.

*

 

3.

Open #14 wire from

3.

*

 

 

engine control board

 

 

 

4.

Defective spark plug(s)

4.

Clean, re-gap or replace plug(s).

 

5.

Valve lash out of adjustment.

5.

Reset valve lash.

 

 

 

 

 

The engine starts hard

1.

Air cleaner

1.

Check, replace air cleaner.

and runs rough.

 

plugged or damaged

 

 

 

2.

Defective spark plug(s)

2.

Clean, re-gap or replace plug(s).

 

3.

Fuel regulator not set.

3.

Set fuel regulator.

 

4.

Fuel pressure incorrect.

4.

Confirm fuel pressure is at (0.4-

 

 

 

 

0.5 psi) for LP, and 5-7” water

 

 

 

 

colum (0.18-0.25 psi) for natural

 

 

 

 

gas.

 

 

 

 

 

The AUTO/OFF/MANUAL switch

1.

Defective switch

1.

*

is set to OFF, but the engine

2.

AUTO/OFF/MANUAL switch

2.

*

continues to run.

 

wired incorrectly

 

 

 

3.

Defective control board

3.

*

 

 

 

 

 

There is no AC output from

1.

Main line circuit breaker open

1.

Reset circuit breaker

the generator.

 

 

 

to ON (or closed).

 

2.

Generator internal failure

2.

*

 

 

 

 

 

There is no transfer to

1.

Defective transfer switch coil

1.

*

standby after utility

2.

Defective transfer relay

2.

*

source failure.

3.

Transfer relay circuit open

3.

*

 

4.

Defective control logic board

4.

*

 

 

 

 

 

Unit consumes large

1.

Break-in procedure

1.

*

amounts of oil.

 

not followed (see Section 3.1)

 

 

*Contact the nearest Generac Authorized Dealer for assistance.

Generac® Power Systems, Inc. 23

Page 24 Page 26
Image 25
Page 24 Page 26
Contents Installation Introduction Maintenance Post Installation Start-up AdjustmentsTroubleshooting Introduction Inside Front CoverGeneral Hazards ‹ Standards Index Electrical HazardsProtection Systems UNPACKING/INSPECTIONSystem SET LED Gfci Generator‹ 1.5.1 Generator Specifications‹ 1.5.2 Engine Fuel Requirements Recommendations Reconfiguring the Fuel SystemFuel Consumption 1 7 KW, 410CC2 12KW and 15KW, 990CC Engines LocationGenerator Battery Battery InstallationTransfer Switch 2.1 7 kW, 12 kW and 15 kW UnitsBefore Initial START-UP Check Transfer Switch OperationElectrical Checks Checking Automatic Operation Generator Tests Under LoadDual Fuel Regulators Adjusting the Regulator Natural GAS only2 12 KW and 15 KW Units Engine Governor Adjustment1 7 KW Units BREAK-IN Procedure Voltage Regulator Adjustment‹ 3.2.1 Auto Position ‹ 3.2.2 OFF PositionManual Transfer Operation Automatic Transfer Operation‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.2 High Temperature Switch ‹ 3.7.3 Overcrank Checking the Engine OIL LevelApproximate Crank Cycle Times ‹ 3.7.4 OverspeedChanging the Engine OIL ‹ 4.3.2 OIL Change ProcedureChanging the OIL Filter ‹ 4.3.1 Engine OIL RecommendationsSpark Plugs Battery MaintenanceCooling System Adjusting Valve Clearance‹ 4.12.2 Return to Service OUT of Service Procedure‹ 4.12.1 Removal from Service Corrosion ProtectionSYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Customer Battery 1VA Electrical Data Connection BCR SW1 Exploded Views and Parts Lists Part NO. QTY. Description Exploded Views and Parts Lists ASSEMBLY, Potted Regulator 143 140 16A 16B Part NO. QTY Description Exploded Views and Parts Lists QTY Description 14 20 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Exploded Views and Parts Lists CASTING, Twin Regulator Housing Mounting Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators California and Federal Emission Control Warranty Statement Emission Control System Warranty Warranty Schedule

04758-2, 04759-2, 04760-2 specifications

Guardian Technologies has made a significant impact in the realm of air purification with its innovative product line, including models 04758-2, 04759-2, and 04760-2. These air purifiers are designed to create a healthier environment by utilizing advanced technologies and a user-friendly design.

One of the standout features of these models is their use of UV-C light technology. This technology helps to eliminate harmful pathogens and allergens, making the air cleaner and safer for families and pets. The UV-C light works in conjunction with a true HEPA filter, which captures 99.97% of dust, pollen, smoke, mold spores, and pet dander as small as 0.3 microns. This dual-action filtration system ensures that the air circulating in your home is not only free of large particles but also sanitized.

In addition to their powerful filtration capabilities, the 04758-2, 04759-2, and 04760-2 models feature activated carbon filters. These filters are effective at absorbing odors from pets, cooking, smoke, and other household sources, thereby improving overall air quality. This makes these air purifiers ideal for homes, offices, and other indoor spaces where cleanliness is paramount.

Another key characteristic of these models is their whisper-quiet operation. Designed with user comfort in mind, the purifiers can operate at a low noise level, making them suitable for bedrooms and other quiet areas. This feature allows users to enjoy uninterrupted sleep while still benefiting from cleaner air.

The design of these air purifiers is both sleek and modern, fitting seamlessly into various interior decors. They are also equipped with indicator lights that alert users when it’s time to replace the filters, ensuring optimal performance at all times.

Moreover, Guardian Technologies has focused on energy efficiency in the manufacturing of these models. They are Energy Star certified, which means they consume less power while maintaining their high level of performance.

Overall, the Guardian Technologies 04758-2, 04759-2, and 04760-2 air purifiers offer a blend of advanced technology, effective filtration, and user-friendly features. With focused attention on air quality improvement, these models are excellent choices for those looking to enhance their indoor environment and promote healthier living.
Top Page Image Contents