Kohler RZ Series User Manual

TP-5631 7/96 Troubelshooting 4-1
Section 4. Troubleshooting
When troubles occur, do not overlook simple causes
which might seem too obvious to be considered. A
starting problem, for example, could beattributed to an
emptyfueltank. Asageneralaidtodiagnosingcommon
problems, refer to the Troubleshooting Table below. If
the trouble cannot be corrected through routine
servicing, contact an authorized service
distributor/dealer for assistance.
General Troubleshooting Chart (Sheet 1 of 2)
Problem Possible Cause Corrective Action
Generator set will
not crank
Weak or dead battery Recharge or replace; check battery charger
operation. Check battery charging circuit (circuit
breaker, module, and wiring), if equipped.
Reversed or poor battery connections Check connections
Fuse blown in controller Replace fuse
Defective starter/starter solenoid Test function
Defective start/stop switch (master switch) Test function
Generator master switch in OFF position
(attempting start-up from remote switch) *
Move master switch to AUTO position
Generator set
c
r
a
n
k
s
b
u
t
w
i
l
l
n
o
t
Incorrect fuel Replace fuel
G
e
n
e
r
a
t
o
r
s
e
t
cranks but will not
s
t
a
r
t
,
s
t
a
r
t
s
h
a
r
d
,
No fuel Add fuel; check fuel control circuit
s
t
a
r
t
,
s
t
a
r
t
s
h
a
r
d
,
l
a
c
k
s
p
o
w
e
r
,
o
r
Clogged fuel filter (gasoline models only) Replace fuel filter
l
a
c
k
s
p
o
w
e
r
,
o
r
operates erratically
Air cleaner lever in the wrong temperature position
(6.5 kW models only)
Place air cleaner lever in correct position for
winter or summer starting (6.5 kW)
Air cleaner clogged Clean and/or replace
Weak or dead battery Recharge or replace
Defective fuel pump (gasoline models only) Check fuel pump for function
Defective fuel valve or (gas models only) Check fuel valve for function
Defective antidiesel solenoid (gasoline models
only) Check antidiesel solenoid for function
Defective carburetor choke (gasoline models only) Check function of carburetor choke
Defective fuel regulator (gas models only) Check function of fuel regulator
Faulty ground (--) connection Clean and tighten ground connections
Faulty spark plugs Replace (and regap) spark plugs
Defective ignition system Check ignition coil, module, and wiring
Loose spark plug wire connection Check spark plugs wires
Insufficient fuel pressure (gas models only) Check fuel pressure
Engine malfunction Troubleshoot engine
Defective cold weather starting aid Check cold weather starting device
Low oil pressure shutdown switch
Check oil level, oil pressure, and check switch for
function
Carburetor adjustment incorrect Adjust carburetor
Carbon build-up on cylinder heads Service cylinder heads
Incorrect engine timing (signal) Check air gap of ignition pickup
* 5-light microprocessor controller only.

Kohler RZ Series Specifications

General

Brand	Kohler
Model	RZ Series
Category	Portable Generator
Language	English