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Briggs & Stratton Power Products Backup Power System
Owner’s Manual
21
TROUBLESHOOTING
Problem Cause Correction
Engine is running, but no
AC output is available.
1.
Generator circuit breaker is open.
2.
Fault in generator.
3.
Poor wiring connections or defective
transfer switch.
4.
Sub-panel circuit breaker open or
defective.
1.
Reset circuit breaker.
2.
Contact Generac Portable Products
service facility.
3.
Check and repair.
4.
Reset or replace circuit breaker.
Engine runs good at no-
load but “bogs down"
when loads are
connected.
1.
Short circuit in a connected load.
2.
Generator is overloaded.
3.
Shorted generator circuit.
1.
Disconnect shorted electrical load.
2.
See “Essential Circuits” on page 6.
3.
Contact Generac Portable Products
service facility.
Engine will not start; or
starts and runs rough.
1.
15 Amp fuse missing or blown.
2.
Dirty air cleaner.
3.
Out of fuel.
4.
Spark plug wire not connected to
spark plug.
5.
Bad spark plug.
6.
Intake valve stuck open or closed.
7.
Engine compression lost.
8.
Failed battery.
1.
Install (new) 15 Amp fuse.
2.
Clean or replace air cleaner.
3.
Open fuel valve(s); check propane tank..
4.
Connect wire to spark plug.
5.
Replace spark plug.
6.
Contact Generac Portable Products
service facility.
7.
Contact Generac Portable Products
service facility.
8.
Replace battery.
Engine shuts down during
operation.
1.
Out of fuel.
2.
Fault indicator blinking.
1.
Check fuel valves, fill propane tank.
2.
Count blinks and refer to “Fault
Detection System” on page 15.
Engine lacks power.
1.
Dirty air filter.
2.
Generator overloaded
1.
Replace air filter.
2.
See “Essential Circuits” on page 6.