Kohler Power Systems 8RESV User Manual

TP-6881 7/15 71Section 4 Troubleshooting
Problem ReferenceCorrective ActionTestPossible Cause
Lacks
power
Air intake
restriction,
inadequate cooling
Inspect air intakes and exhaust
for obstructions.
Check air cleaner.
Clear air intakes and exhaust
area. Maintain clearances shown
on the genset dimension drawing.
Replace air cleaner element.
I/M
O/M
Generator
overloaded
Reduce electrical load and check
operation.
Unplug some lights or appliances
connected to the generator set.
—
Spark plug(s) Check spark plugs. Regap or replace plug(s). O/M
Spark plug
connections
Check tightness and condition of
spark plug wires.
Tighten or replace spark plug
wires.
Engine S/M
Fuel selector valve
incorrectly set for
thetypeoffuel
used.
Check the fuel selector valve.
Check the controller settings.
Turn the selector valve to the
correct fuel type, LPG or NG. See
Figure 5-32.
Use the controller or SiteTech to
verify the controller fuel settings
for LPG or NG.
Section 5.13.2
Section 3.3
Low fuel pressure Check fuel pressure at carburetor
outlet. Check for adequate fuel
pipe size and meter capacity for
generator set and all gas-fired
appliances.
Contact fuel supplier to replace
pipe and/or meter as required to
provide sufficient fuel supply
pressure for the generator set and
all gas-fired appliances.
Section 5.13
Fuel line restriction Check fuel pipe size. Contact fuel supplier to provide
larger pipe.
Section 5.13
Fuel regulator Check function of fuel regulator. Repair or replace fuel regulator. Section 5.13
Engine not running
at rated rpm
Check controller setting for
engine model. *
Check engine speed.
Select the correct engine model. *
Adjust engine speed.
Section 3.3
Engine power loss Refer to the engine service
manual for troubleshooting and
repair instructions.
Refer to the engine service
manual for troubleshooting and
repair instructions.
Engine S/M
Governor
malfunction or
misadjustment
Test governor. Adjust governor. Section 5.10
Ignition system See the engine service manual for
service procedures.
See the engine service manual for
service procedures.
Engine S/M
Low output
or
excessive
drop in
voltage
(continues
on next
page)
Generator
overloaded
Reduce electrical load and check
operation.
Unplug some lights or appliances
connected to the generator set.
—
Incorrect controller
settings
Check the controller settings. * Adjust the controller settings. * Section 3.3
Incorrect controller
voltage settings
Check the controller voltage
settings. *
Adjust the controller voltage
settings. *
Section 3.3
Alternator or control
system
Perform separate excitation
procedure to isolate problem to
the alternator or the control
system.
Troubleshoot the alternator or
control system as indicated by
test results.
Section 5.3
Controller
Check the controller settings. Adjust controller settings. Section 3.3
Test the controller as described in
Section 4.12.
See Section 4.12. Section 4.12
Rotor Test rotor for open, grounded, or
shorted windings.
Replace rotor if faulty windings
are found.
Section 5.5
Stator Test stator for open, grounded, or
shorted windings.
Replace stator if faulty windings
are found.
Section 5.4
W/D = Wiring Diagram(s) (Section 7 ) S/S = Generator Set Specification Sheet O/M = Generator Set Operation Manual
I/M = Generator Set Installation Manual Engine S/M = Engine Service Manual
* RDC2 controller settings can be checked and adjusted using the controller user interface or using a personal computer running SiteTech
software. DC2 controller settings can only be changed using SiteTech.

Kohler Power Systems 8RESV Specifications

General

Brand	Kohler
Model	Power Systems 8RESV
Category	Portable Generator
Language	English