Generac Power Systems rtg10eza1, Owner'S Manual

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Section 8: Troubleshooting
Installation Guidelines For 60 Hz Air-cooled Generators 31
Section 8: Troubleshooting
System Diagnosis
Problem Cause Correction
Engine will not crank. 1. Fuse blown.
2. Loose, corroded or defective battery
cables.
3. Defective starter contact.
4. Defective starter motor.
5. Dead Battery.
1. Correct short circuit condition by
replacing 7.5 Amp fuse in generator control
panel.
2. Tighten, clean or replace as necessary.*
3. *See #2.
4. *See #2.
5. Charge or replace battery.
Engine cranks but will not start. 1. Out of fuel.
2. Defective fuel solenoid (FS).
3. Open Wire 14 from engine control board.
4. Defective spark plug(s).
5. Valve lash out of adjustment. 1. Replenish fuel / Turn on fuel valve.
2. *
3. *
4. Clean, re-gap or replace plug(s).
5. Reset valve lash.
Engine starts hard and runs
rough. 1. Air cleaner plugged or damaged.
2. Defective spark plug(s).
3. Fuel pressure incorrect.
4. Fuel selector in wrong position.
1. Check / replace air cleaner.
2. Clean, re-gap or replace plug(s).
3. Confirm fuel pressure to regulator is 10-12”
water column (19-22mm mercury) for LP,
and 3.5 - 7” water column (9-13mm mercury)
for natural gas.
4. Turn fuel conversion valve to correct
position.
Generator is set to OFF, but the
engine continues to run. 1. Controller wired incorrectly
2. Defective control board. 1. *
2. *
No AC output from generator. 1. Main line circuit breaker is in the OFF (or
OPEN) position.
2. Generator internal failure.
1. Reset circuit breaker to ON (or CLOSED).
2. *
No transfer to standby after util-
ity source failure. 1. Main line circuit breaker is in the OFF (or
OPEN) position.
2. Defective transfer switch coil.
3. Defective transfer relay.
4. Transfer relay circuit open.
5. Defective control logic board.
1. Reset circuit breaker to ON (or CLOSED).
2. *
3. *
4. *
5. *
Unit consumes large amounts
of oil. 1. Engine over filled with oil.
2. Engine breather defective.
3. Improper type or viscosity of oil.
4. Damaged gasket, seal or hose. 1. Adjust oil to proper level.
2. *
3. See “Engine Oil Recommendations”.
4. Check for oil leaks.
* Contact an Independent Authorized Service Dealer for assistance.