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Onan MicroLite 4000 Series User Manual

Onan MicroLite 4000 Series
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6-23
WARNING
Many troubleshooting procedures present hazards that can result in severe personal inju-
ry or death. Only qualified service personnel with knowledge of fuels, electricity, and machinery haz-
ards should perform service procedures. Review safety precautions on page iii.
TABLE 6-10. BEGIN SPEC B CONTROL TROUBLESHOOTING – RUN MODE
Trouble Possible Cause Corrective Action Section/
Page
Engine Starts 1. Fuel level is below genset fuel 1. Check fuel and oil level and refill if low.
and Runs, pickup tube or oil level is low. 2. Refer to choke section for adjustments. 8-17
Then Stops. 2. Faulty choke operation. 3. Remove any objects or debris that may
Set Restarts 3. Vapor lock from high ambient restrict airflow. Make sure fuel system
Immediately temperature. is installed correctly.
or After Cool 4. Contaminated or incorrect fuel. 4. Refill tank with fresh fuel.
Down.
Remote 1. Open circuit in remote control wiring. 1. Check continuity between remote
Control control and control assembly (A1).
Run Lamp, 2. If battery condition meter and run lamp 2. Replace time meter.
Time Meter, work but time meter does not,
or Battery time meter is defective.
Condition
Meter 3. If time meter works but battery condition 3a. Connect a voltmeter between the
Inoperative meter does not operate: positive terminal on battery charge
a. Defective battery condition meter. meter and ground. Use the following to
b. Defective zener diode inside remote determine fault:
control. If reading equals battery voltage
minus 10 volts, battery condition
meter is defective.
3b. If reading does not equal battery
voltage minus 10 volts, zener diode
is defective.
4. Meters and switch function properly but 4. Replace remote Start/Stop switch (S2).
run lamp does not illuminate. Lamp
(internal to switch) is burned out.
5. If remote switch functions properly for 5. Check remote running output voltage
starting and stopping genset but (approximately 12 VDC) during run
meters and run lamp do not operate, condition from control assembly J2-5
and step 1 checks OK, control assy. to ground and from J2-6 to ground.
(A1) defective. If voltage is not present, replace control
assembly (A1).
If voltage is present, check continuity
6. Too much DC load (over 2–amps) of remote control wiring.
connected to the remote output. 6. Turn off the genset, disconnect the
remote control, and check for shorts
or too many remote accessories.

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Onan MicroLite 4000 Series Specifications

General IconGeneral
BrandOnan
ModelMicroLite 4000 Series
CategoryPortable Generator
LanguageEnglish

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