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Troubleshooting / Diagnostics

36 Owner’s Manual for 60 Hz EcoGen™ Generator

G-Flex™ Diagnostics

Table 5-4. G-Flex™ Diagnostics

Symptom Possible Causes

Generator stalls when large load is

supplied.

Total load is too big for the generator. Loads must be less than 10 kW or 2 hp when

operating under 3600 rpm.Contact installing dealer to correct installation.

Output voltage is low/high. Voltage calibration incorrect. Contact servicing dealer.

Generator does not pull full power. Current calibration incorrect. Contact servicing dealer.

Table of Contents3
Section 1: Safety Rules & General Information Introduction5
- Read this Manual Thoroughly5
- How to Obtain Service5
Safety Rules6
- General Hazards6
- Exhaust Hazards7
- Electrical Hazards7
- Fire Hazards8
- Explosion Hazards8
Section 2: General Information9
Ecogen Operating Principle9
- Benefits9
- How It Works9
- Startup9
- Normal Running9
- Small Load Changes9
- Large Load (Not Overload)9
- Automatic Voltage Regulator (AVR) Cooling Fans9
The Generator10
- Generator11
- Engine11
- Specifications11
Protection Systems12
Fuel Requirements12
Battery Requirements12
Battery Charger12
Engine Oil Requirements12
Replacement Parts13
Section 3: Operation15
Site Prep Verification15
Side Compartment15
- Main Circuit Breaker (Generator Disconnect)15
- LED Indicator Lights15
- 120V GFCI Outlet/15 Amp Breaker15
Generator Enclosure15
Control Panel Interface17
Using the Auto/Off/Manual Interface Menu18
Menu System Navigation19
Menu Navigation19
Change Time and Date19
Programmable Timers19
- Dealer Programmable19
- High Run Speed Timer19
USB Port for Firmware Updates19
Battery Charger22
Manual Transfer Operation22
- Transfer to Generator Power Source22
Automatic Transfer Operation23
Automatic Sequence of Operation23
- Cranking23
- Cold Smart Start23
- Load Transfer23
Shutting Generator down While under Load23
- To Turn the Generator off23
- To Turn the Generator on23
Service Schedule25
Section 4: Maintenance25
Performing Scheduled Maintenance25
Check Enclosure Louvers26
Check Lines and Connections26
Checking Engine Oil Level27
- Engine Oil Recommendations27
Changing the Oil and Oil Filter28
- Ecogen Oil System Drain Pump Kit Parts List28
- Ecogen Oil System Drain Pump Assembly28
- Ecogen Oil Change Procedure29
Replacing the Engine Air Filter30
Replacing the AVR Filter30
Maintaining the Spark Plugs31
Valve Clearance Adjustment31
- Check Valve Clearance31
- Adjust Valve Clearance31
Battery Maintenance32
Attention after Submersion33
Corrosion Protection33
- Remove from Service33
- Return to Service33
Section 5: Troubleshooting / Diagnostics35
Engine Troubleshooting35
Generator Troubleshooting36
G-Flex™ Troubleshooting38
G-Flex™ Diagnostics40
Section 6 Installation Diagrams41
Installation Drawing41
Off Grid Mode Application Schematic42
Oil Make up System Schematic43

Brand	Generac Power Systems
Model	15 kW EcoGen
Category	Inverter
Language	English

Generac Power Systems 15 kW EcoGen User Manual

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