Troubleshooting - North Star M165938R Owner's Manual

Problem
Engine will not start.
Voltage too low.
Circuit breaker trips.
Voltage too high.
Generator overheating.
No output voltage.
Engine lacks power or
sputters.
Engine shuts down
during operation.
Engine will not start on
gasoline.
Engine will not start on
LP or Natural Gas.
Engine sputters when
switching from gasoline
to LP or Natural Gas.

Troubleshooting

TROUBLESHOOTING
Possible Causes
a) Low oil level.
b) Fouled spark plug.
c) Out of fuel.
d) Stop switch in OFF position.
e) Battery disconnected or dead.
f) Fuel selector switch is OFF position.
a) Engine speed too slow.
b) Generator is overloaded.
a) Defective load connected to generator.
b) Defective receptacle.
c) Generator overloaded.
a) Engine speed too high.
a) Generator is overloaded.
b) Insufficient ventilation.
a) Defective load connected to generator.
b) Broken or loose wire.
c) Defective receptacle.
d) Defective stator.
e) Defective rotor.
f) Defective capacitor.
g) Circuit breaker tripped.
a) Generator is overloaded.
b) Dirty air filter.
c) Fouled spark plug.
a) Out of fuel.
b) Low oil level.
a) Engine out of fuel.
b) Engine cold.
c) Vacuum hose is loose.
a) Load Block needs adjustment
b) Battery is low on charge causing engine
to crank at a lower rpm.
c) Inlet fuel pressure is incorrect.
d) Engine choke lever is in the choke
position.
e) Fuel lock off valve upstream of the
generator set is turned off.
a) This is normal operation.
Possible Remedies
a) Fill crankcase to proper oil level.
b) Clean or replace spark plug.
c) Fill fuel tank.
d) Place switch in ON position.
e) Charge or replace battery.
f) Place switch in desired location (Gasoline or
LP/NG).
a) Bring generator to a qualified technician for
adjustment.
b) Reduce the load. (See Power Load Planning &
Mgt. section of this manual.)
a) Disconnect load.
b) Replace receptacle.
c) Reduce the load. (See Power Load Planning &
Mgt. section of this manual.)
a) Bring generator to a qualified technician for
adjustment.
a) Reduce the load. (See Power Load Planning &
Mgt. section of this manual.)
b) Make sure there is at least 3 feet of clearance on
all sides of generator.
a) Disconnect load.
b) Bring generator to a qualified technician for
repair.
c) Replace receptacle.
d) Bring generator to a qualified technician for
repair.
e) Bring generator to a qualified technician for
repair.
f) Bring generator to a qualified technician for
repair.
g) Reset circuit breaker and reduce loads
connected to the generator.
a) Reduce the load. (See Power Load Planning &
Mgt. section of this manual.)
b) Clean or replace air filter.
c) Clean or replace spark plug.
a) Fill fuel tank.
b) Fill crankcase to proper oil level.
a) Refuel engine.
b) Choke engine.
c) Reattach vacuum hose. Item 29 on exploded View.
a) See page 8 of this manual.
b) Recharge battery.
c) Inlet fuel pressure should be within 7"-11" water
column, or 4-6 oz.
d) Move the choke lever to the open position. Never
choke the engine when operating on LP or NG
fuel.
e) Open valve.
a) Run the unit with the fuel switch in the NONE
position for several seconds until the engine
begins to hunt. Then move the switch to the
LP/NG position.
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