Onan MicroLite 2800 Series User Manual

The troubleshooting guide is divided into six sections.
After identifying the problem, refer to the guide for the
possible
and the recommended corrective
action.
CONTROL TROUBLESHOOTING
Use the following troubleshooting guide to help locate
problems related to the control. Figure 7-2 shows the
location of most of the control components. Refer
to the
wiring diagram in Figures
8-1 or 8-2 for location of
wiring terminals.
TROUBLESHOOTING THE CONTROL
Many troubleshooting procedures present hazards which can result in severe personal injury or
death. On/y qualifiedservice personnel with knowledge of fuels, electricity, andmachinery hazards
should perform service procedures. Review safety precautions on inside cover page.
TROUBLE
Engine Does
Not Crank
POSSIBLE CAUSE
~~ ~~ ~
1. If engine cranks at set but not at
remote control panel, fault is
due
to:
a. open circuit in remote
b. faulty remote start/stop switch
2. If engine cranks at remote control
panel but no at set, fault
is due to:
a. open circuit in set control
b. faulty set control start/stop
control wiring
panel wiring
switch (Sl)
3. Insufficient voltage for cranking
due to:
a. battery not charged,
or
b. terminal connections loose or
c. insufficient battery cable size
dirty
4. Control fuse F1 is open.
5. Start disconnect relay K2
defective.
6. Start solenoid K1 not
energizing due
to:
a. Open circuit between K1
and K2
or K1 and ground
b. defective
K1 relay
c. defective start/stop switch
7. Defective starter (Bl)
CORRECTIVE ACTION
1 a. Check for continuity and correct
1 b. Replace remote control start/stop
if circuit is open.
switch (S3).
2a. Check for continuity and correct
if
2b. Replace set control start/stop switch.
circuit is open.
3a. Check condition of battery and
3b. Clean and tighten all connections
3c. Increase cable size.
recharge or replace.
at start solenoid (Kl), starter motor
(Bl),
and ground connections.
4. Locate cause of overload and
correct as required. Replace fuse.
5. Check for continuity at normally
closed contacts K2-1 /K2-5 and
replace
if defective.
6a. Check for continuity and correct
if
circuit is open.
6b. Replace K1 relay.
6c. Check start/stop switch and replace
if defective.
7. Refer to electric starter section
for test and service procedures.
7-6

Onan MicroLite 2800 Series Specifications

General

Rated AC Frequency	60 Hz
Fuel Type	Gasoline
Rated AC Output	2800 Watts
AC Voltage	120V
Engine	OHV
Noise Level at 23 ft	68 dB
DC Output	12V
Outlets	2x 120V 20A