Section 5: Troubleshooting / Diagnostics; Engine Troubleshooting - Generac Power Systems 15 kW EcoGen Owner's Manual

Section 5: Troubleshooting / Diagnostics

Engine Troubleshooting

Problem
Engine will not crank.
Engine cranks but will not
start.
Engine starts hard and runs
rough.
Generator is set to OFF, but
the engine continues to run.
No AC output from genera-
tor.
Unit consumes large
amounts of oil.
* Contact an Authorized Independent Service Dealer for assistance.
Owner's Manual for 60 Hz EcoGen™ Generator
Table 5-1. Engine Troubleshooting
Cause
1) Fuse blown.
2) Loose, corroded or defective battery
cables.
3) Defective starter contact.
4) Defective starter motor.
5) Dead Battery.
1) Out of fuel.
2) Defective fuel solenoid (FS).
3) Defective spark plug(s).
4) Valve clearance needs adjustment.
1) Air cleaner plugged or damaged.
2) Defective spark plug(s).
3) Fuel regulator not set.
4) Fuel pressure incorrect.
5) Fuel selector in wrong position.
1) Control board wired incorrectly.
2) Defective control board.
1) Main line circuit breaker is in the
OFF (or OPEN) position.
2) Generator internal failure.
1) Oil tank is over filled with oil.
2) Engine breather defective.
3) Improper type or viscosity of oil.
4) Damaged gasket, seal or hose.
Troubleshooting / Diagnostics
Correction
1) Correct short circuit condition by replacing 7.5 Amp
fuse.
2) Tighten, clean or replace as necessary.*
3) Tighten, clean or replace as necessary.*
4) Tighten, clean or replace as necessary.*
5) Charge or replace battery.
1) Replenish fuel / Turn on fuel valve.
2) *
3) Clean, re-gap or replace plug(s).
4) Adjust valve clearance.
1) Check / replace air cleaner.
2) Clean, re–gap or replace plug(s).
3) Set fuel regulator.
4) Confirm fuel pressure to regulator is 10–12 in. water
column (19–22 mm mercury) for LP, and 3.5– 7 in.
water column (9–13 mm mercury) for natural gas.
5) Move selector to correct position.
1) Repair wiring or replace control board.*
2) Replace control board.
1) Reset circuit breaker to ON (or CLOSED).
2) *
1) Adjust oil to proper level.
2) *
Engine Oil Requirements
3) See
4) Check for oil leaks.
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