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5‐4 Troubleshooting and Maintenance MN2408
Note: See Engine Controller manual for additional information.
Table 5‐3 Troubleshooting Guide (Analog Controller Only)
Problem Possible Cause Remedy
Controller cannot be “Reset”
Engine not stopped
Controller not in OFF mode
Verify the engine is at a complete stop before trying to reset.
Set the controller to the OFF mode before trying to reset.
Engine alarms are ON for high engine
temperature or low oil pressure when
engine is operating properly
Sending unit is disconnected (open
circuit)
Defective sending unit
Verify the sending units wiring to controller terminals is not open or
shorted.
Verify the engine mounted senders have correct resistance values
for corresponding input temperature or pressure.
Overspeed shutdown occurs at normal
speed
Controller has failed or input from
Magnetic pickup is incorrect.
Verify the adjustments. Replace controller if failed.
Service Service for your generator can be obtained from to a qualified generator service center.
Please have the following information available and ready:
The model number and serial number of the generator set.
A complete and accurate description of the problem.
Parts Parts for your generator can be obtained from to a qualified generator service center.
Please have the following information available and ready:
The model number and serial number of the generator set.
A complete and accurate description of the part (part number if known).
Note: Engine parts can usually be obtained from a local distributor by using the information in
the engine manufacturer's owner's manual.