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MAINTENANCE
Fault Detection System
The generator may have to run for long periods of time
with no operator present. For that reason, the system is
equipped with sensors that automatically shut down the
generator in the event of potentially damaging conditions,
such as low oil pressure, high oil temperature, over speed,
and other conditions.
A light on the generator's control panel is called the
Diagnostic LED. A similar LED indicator is installed at a
convenient inside location. Both LED's will turn on and off
in the same series of blinks if certain problems are
detected in your HGS.The blink pattern is repeated with a
brief pause between each series.The number of blinks in
the series indicates the detected fault, as listed near the
control panel, on the mounting plate and below:
Number of LED Flashes
1
2
3
4
5
6
7
Reset Fault Detection System
The operator must reset the fault detection system each
time it activates.To do so, place the AUTO/OFF/MANUAL
switch in the OFF position for 30 seconds or more.
Return the Home Generator System to service after
correcting the problem by placing the
AUTO/OFF/MANUAL switch in the AUTO position.
A description of each fault and suggested remedies are as
follows:
No Blinks - 'Dead' Unit
This condition is caused by a completely dead starting
battery.To remedy the problem, remove the 15 Amp fuse
and disconnect the battery from the generator.Take the
battery to a local battery store for analysis.
Replace the battery in the battery compartment after it has
been fully recharged, connecting the NEGATIVE cable last.
Install the 15 Amp fuse. Reset the Fault Detection system
as described above.
Briggs & Stratton Power Products Home Generator System
Owners Manual
Fault Description
Low battery voltage
Low oil pressure
Low voltage
Engine fail to start
Low frequency
Engine overspeed
Oil temperature high
Low Battery Voltage
This fault is indicated by one blink.This condition occurs if
the generator cannot start because the starting battery
output power is below that needed to 'turn-over' the
engine. Causes for this problem may be a failed battery or a
failed trickle charger circuit.
To remedy the problem, remove the 15 Amp fuse and
disconnect the battery from the generator.Take the battery
to a local battery store for analysis.
Replace the battery in the battery compartment after it has
been fully recharged, connecting the NEGATIVE cable last.
Install the 15 Amp fuse. Reset the Fault Detection system
as described above. Check battery trickle charge output.
Low Oil Pressure
This fault is indicated by two blinks.The unit is equipped
with an oil pressure switch (Figure 5) using normally closed
contacts that are held open by engine oil pressure during
operation. Should oil pressure drop below the 8 psi range,
switch contacts close and the engine is shut down.
Figure 5 — Low Oil Pressure & High Temp. Switches
Oil
Pressure
Switch
To remedy the low oil pressure condition, fix any obvious
oil leak and/or add the recommended oil to the FULL mark
on the dipstick. Reset the Fault Detection system as
described above.
If low oil pressure condition still exists, engine will start,
then shut down after about 10 seconds and diagnostic LED
will flash. In this case, contact an authorized service facility.
16
High
Temperature
Switch
Oil Drain
Fitting
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