Filter
Top Products
16 ► GTR20 User Manual
1 APECS unit not calibrated yes Calibrate APECS unit.
2 Engine speed excessive yes Check parameter settings. Over speed criteria may be
too sensitive.
Check for electrical noise entering controller.
Check wiring and connections.
Check case ground.
Make sure linkage moves freely, without backlash.
Check tip of speed sensor.
3 Engine speed unusually low yes Check parameter settings.
Check linkage and the actuator travel.
Ensure that load is not greater than engine capacity.
4 Engine shutdown due to engine yes Check parameter settings.
protection input Check what may have triggered the protection input.
5 Factory settings lost yes If calibration le is available, download the le and cycle
power again.
If controller still does not work or if no calibration le is
available, consult factory.
6 External pot out-of-range no Verify that pot is wired correctly.
Recalibrate external pot.
7 Accelerator position / idle no Verify that signals are working and synchronized.
switch conict
8 Controller unit failed yes Electrical noise may be entering the controller.
Check wiring, shielding and connections to controller.
Cycle power to engine.
If controller still does not work, consult factory.
9 Limiting excessive no Check actuator for short to ground or low resistance.
actuator current Check parameter settings.
Check linkage and actuator travel.
Ensure that load is not greater than engine capacity.
10 Engine speed input no (Active only in Auto crank mode).
signal missing Check speed sensor wiring.
Check starter motor.
11 Auto crank unable to no Check fuel.
start engine
12 Auxiliary output is shorted no Check the lamp or relay hooked to the output. If fault is
still present, consult factory.
13 Auxiliary output #2 is shorted no Check the lamp or relay hooked to the output. If fault is
still present, consult factory.
14 Actuator disconnected or no Check actuator wiring and actuator resistance.
open circuit Resistance should be less than 10 ohms.
FLASH ENGINE
CODE FAULT SHUTDOWN CORRECTIVE ACTION
FAULT CODES