Kohler RZ Series User Manual

4-2 Troubleshooting TP-5631 7/96
General Troubleshooting Chart (Sheet 2 of 2)
Problem Possible Cause Corrective Action
No AC output AC circuit breaker in OFF position Place circuit breaker in ON position
N
o
A
C
o
u
t
p
u
t
AC circuit breaker tripping because of overload Reduce load on generator set
AC circuit breaker tripping because of short
circuit
Correct cause of short circuit
Voltage regulator fuse blown Replace fuse
Internal generator problem Contact distributor
Low output or excessive
d
r
o
p
i
n
v
o
l
t
a
g
e
Generator set overloaded Reduce load
L
o
w
o
u
t
p
u
t
o
r
e
x
c
e
s
s
i
v
e
drop in voltage
Engine speed too low Check governor
Faulty/misadjusted voltage regulator Check voltage regulator adjustment and/or test
voltage regulator
Internal generator problem Contact distributor
High output voltage (or
h
i
g
h
f
r
e
q
u
e
n
c
y
)
Loose voltage regulator connections Check connections
H
i
g
h
o
u
t
p
u
t
v
o
l
t
a
g
e
(
o
r
high frequency)
Governor misadjusted (high frequency) Check governor
Faulty voltage regulator Check voltage regulator adjustment and/or test
voltage regulator
Internal generator problem Contact distributor
Generator set stops
suddenly Low oil pressure shutdown
Check oil level, oil pressure, and switch for
function
s
u
d
d
e
n
l
y
Out of fuel Add fuel
Overcrank shutdown * Reset controller. If overcrank fault reoccurs,
troubleshoot generator and/or controller
Fuse blown in controller Replace fuse. If fuse blows again, troubleshoot
controller
Engine malfunction Troubleshoot engine
Overspeed shutdown * Reset controller. If generator set overspeeds
again, troubleshoot generator and controller
Overvoltage shutdown (if equipped) * Troubleshoot generator and controller
Generator master switch in OFF/RESET
position *
Move switch to correct position (RUN or AUTO)
Emergency stop switch activated (local or
remote) *
Check reason for emergency shutdown; reset
switch
* 5-light microprocessor controller only.

Kohler RZ Series Specifications

General

Brand	Kohler
Model	RZ Series
Category	Portable Generator
Language	English