Kohler 18RESL User Manual

TP-6519 8/1730 Section 3 Troubleshooting
Problem ReferenceCorrective ActionTestPossible Cause
Operates
erratically,
continued
Magnetic pickup
connections
Check for loose connections to
the mag pickup.
Tighten mag pickup connections.
Replace damaged wiring.
Section 5.9
Governor
adjustment
incorrect
Check governor operation.
Check controller engine speed
(frequency) adjustment. *
Adjust governor.
Adjust controller engine speed. *
Section 5.9
Section 4.5 and
Installation Man.
Ignition system Test ignition system according to
instructions in engine service
manual.
Service ignition system according
to instructions in engine service
manual.
Engine S/M
Inadequate cooling
(hot engine only)
Check air inlet and outlet. Clear air inlet and outlet. —
Other engine
service required
See engine service manual. Service according to instructions
in engine service manual.
Engine S/M
Light
flicker
Voltage stability
(gain) setting
Check the voltage stability (gain)
setting using the ADC controller. *
Adjust the voltage stability (gain)
setting using the ADC controller. *
Section 4.5.4
High
output
voltage
Incorrect controller
configuration
Check the controller configuration
parameters. *
Adjust the controller configuration
parameters. *
Section 4.5.1
Incorrect controller
voltage settings
Check the controller voltage
settings. *
Adjust the controller voltage
settings. *
Section 4.5.4
Engine speed too
high
Check engine speed using
tachometer or frequency meter.
Adjust engine speed on the
controller. *
Adjust governor as necessary.
Section 4.5
Section 5.9
Loose voltage
sensing
connections
Check connections:
stator leads 11 and 44 (1 ph) or
V7, V8, and V9 (3 ph) and
P15 controller connection.
Tighten connections.
Section7W/D
SCR module
Check wiring and connections to
the SCR module.
Tighten connections and/or
replace wiring to the SCR module.
Section 4.8
Check auxiliary winding fuse F1
(lead 55).
Replace auxiliary winding fuse F1. Section 5.13.2
Test the SCR module using the
procedure in Section 4.8.
Replace the SCR module and
recheck voltage.
Section 4.8
Controller
Check the controller settings. Adjust controller settings. Section 4.5
Test the controller as described in
Section 3.4.
See Section 3.4. Section 3.4
Lacks
power
Air intake
restriction,
inadequate cooling
Inspect air intakes and exhaust
for obstructions.
Check air cleaner.
Inspect air intakes and exhaust
for obstructions.
Check air cleaner.
O/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 and/or replace plug(s). O/M
Spark plug wire(s) Check tightness and condition of
spark plug wires.
Tighten or replace spark plug
wires.
Engine S/M
DSAI leads
incorrectly
connected or
disconnected
Check DSAI leads. Connect for
natural gas. Disconnect for LP.
Connect for natural gas.
Disconnect for LP.
Section 5.12.4
Insufficient 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 5.12
Fuel line restriction Check fuel pipe size. Contact fuel supplier to provide
larger pipe.
Section 5.12
Fuel regulator Check function of fuel regulator. Repair or replace fuel regulator. Section 5.12
* ADC-RES controller only. The DC-RET controller settings cannot be adjusted in the field.
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

Kohler 18RESL Specifications

General

Brand	Kohler
Model	18RESL
Category	Portable Generator
Language	English