GAC IGC700 Series Manual - Página 14

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When Cranking Engine, Are any

IGC LED's on

Is the Gain LED

Turning on?

Is the Derivative

LED Turning on?

Does the Bar Graph

Display show more

than 0% while

cranking?

This indicates the IGC700 is seeing the Pickup Sensor and is invoking the Starting Algorithm.

Make sure the actuator is connected to Terminals D and E. Measure the voltage across these terminals while the

engine is cranking. This voltage should be at no less than 2Vdc lower than supplied Battery Voltage during

cranking. Other things to check are the settings for Flywheel Teeth and Speed Setting (Fixed or Variable).

Another possibility for not starting may be due to an extremely long fuel ramp. This can be disabled by

Entering Setup mode and accessing the Starting Fuel Function (Menu 0, Button 6). Next enter 0,0,0,0 and press

ENTER. This enters zero into the Starting Fuel Inhibit Control Ramp. This is verified by the Bar Graph

displaying 0%.

Troubleshooting Guide 2

Engine Will Not Start

Checklist - While Cranking the Engine

Measure Voltage across Terminals A(+) & B(-) while engine is

cranking. Verify sufficient voltage of approximately 8V. If not, then

make sure the battery is charged.

This indicates either the Crank Termination or the Fuel Limit Setting is too low.

Typically the Crank Termination value should be at least 50RPM higher than the max.

cranking speed of the engine. If possible measure the cranking RPM of the engine.

Enter Setup mode and configure the Crank Termination Setting (MENU 3, Button 7)

to a higher value. You can try 100RPM increments. If Engine appears to start and the

Stability LED illuminates, this indicates the Fuel Limit Setting may be too low. Enter

the Fuel Limit Function (SETUP mode) then (MENU 2, Button 3). The Bar Graph

displays the Fuel Limit setting. Use the + button to set the FUEL LIMIT to 100%

which disables it.

If neither the Derivative nor the Gain LED's are turning ON during

cranking, this indicates the IGC700 is not seeing the pickup signal.

Verify the pickup sensor is connected to Terminals L & M.

possible measure the pickup signal while the engine is cranking. The

voltage must be a minimum of 0.5Vrms while engine is cranking and

greater than 5.0Vrms while engine is running..

This indicates the Starting Fuel Function is engaged. This can be

remedied by entering the Starting Fuel Inhibit Function and setting the

fuel ramp to 0000. Enter Setup mode and access the Starting Fuel

Function (Menu 0, Button 6).

ENTER button..

Control Ramp. This is verified by the Bar Graph displaying 0%.

Then press 0,0,0,0 and press the

This enters zero into the Starting Fuel Inhibit