Section 8: Troubleshooting; Engine Troubleshooting - Generac Power Systems 15 kW EcoGen Installation Manuallines

Section 8: Troubleshooting

Engine Troubleshooting

Table 8-1. 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
generator.
Unit consumes large
amounts of oil.
* Contact an Independent Authorized Service Dealer for assistance.
Installation Guidelines For 60 Hz EcoGen™ Generators
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.
5) Fuel pressure too hight
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.
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, check gap, or replace plug(s).
4) Adjust valve clearance.
5) Verify correct fuel pressure
1) Check / replace air cleaner.
2) Clean, check 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 (7–13 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 Recommendations
3) See
4) Check for oil leaks.
Troubleshooting
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