Troubleshooting Guide Digital Controller Only

Table 5-2 Troubleshooting Guide (Digital Controller Only)

Problem	Possible Cause	Remedy

Controller does not power up even with	Wiring Mistake	Check the battery and wiring to the unit. Check the DC supply.
correct DC power applied	Loss of DC Supply	Check the DC fuse.
		Check DC supply voltage is not above 35 Volts or below 9 Volts.
		Check the operating temperature is not above 70 °C.

Low Oil Pressure fault	Low Oil Pressure	Check engine oil pressure.
	Defect in sender or wiring	Check oil pressure switch and wiring.
		Check switch polarity (i.e. Normally Open or Normally Closed).
High Engine Temperature fault	Excessive Temperature	Check engine temperature.
	Defect in sender or wiring	Check switch and wiring.
		Check switch polarity (i.e. Normally Open or Normally Closed).
Shutdown fault	Fault Trip	Clear trip condition and reset controller.
	Failed switch or wiring	Check switch and wiring of fault indicated by the LED.
		Check configuration of input.

Fail to Start is activated after pre−set	No fuel	Check fuel solenoid is on and battery supply is present at solenoid.
number of attempts to start	No starting current to starter motor	Check fuel.
	No starting current to starter motor	Check battery supply.
	Engine fault	Refer to engine manual.

Continuous starting of generator in AUTO	Remote Start circuit fault	Check that there is no signal present on the

Generator fails to start at remote start	No Remote Start Signal	Check the
command	Wrong generator mode	Check that the

Pre−heat inoperative		Check wiring to engine heater plugs.
		Check battery supply is present at the Pre−heat output of module.
		Check pre−heat has been selected in your configuration.
		NB all the outputs are negative switching.

Starter motor inoperative		Check wiring to starter solenoid.
		Check battery supply.
		Check battery supply is present on the Starter output of module.
		NB all the outputs are negativeswitching.

Fuel solenoid inoperative		Check wiring to fuel solenoid.
		Check battery supply.
		Check battery supply is present on the fuel output of module.
		NB all the outputs are negativeswitching.

Note: Table 5-2is provided as a guide check−list only. It is possible for the module to be configured to provide a wide range of different features always refer to the source of your module configuration if in doubt.

Note: All the outputs are solid state, rated at 1.2 Amps and switch to battery negative when active.

MN2415

Troubleshooting and Maintenance 5-3

AE8, AE25, AE10, AE11 specifications

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