Fault Codes

FLASH		ENGINE
CODE	FAULT	SHUTDOWN	CORRECTIVE ACTION
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 file is available, download the file and cycle
			power again.
			If controller still does not work or if no calibration file 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 conflict

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.

16 ► GTR20 User Manual

GTR20 specifications

The Stanley Black & Decker GTR20 is a versatile and robust tool designed for professionals and DIY enthusiasts alike. Engineered with cutting-edge technology, the GTR20 stands out in the realm of power tools, particularly for those requiring precision and reliability in their projects.

One of the key features of the GTR20 is its powerful motor, which delivers exceptional torque and performance across various applications. This motor enhances the tool's capacity to handle tough materials, making it ideal for both heavy-duty construction tasks and intricate home improvement projects. The ergonomic design adds to user comfort, allowing for extended usage without causing fatigue.

Another significant characteristic of the GTR20 is its advanced battery technology. Equipped with a high-capacity lithium-ion battery, the GTR20 ensures long run times and quick recharge capabilities. This means that users can work for extended periods without the need for constant interruptions, greatly enhancing productivity on the job site. The battery life indicator is a thoughtful addition, providing users with real-time feedback on battery status, thus preventing unexpected shutdowns.

The GTR20 also boasts a sophisticated electronic speed control system, which allows users to adjust the speed according to different materials and tasks. This feature provides greater versatility, enabling more efficient cutting, drilling, or fastening. The tool's variable speed settings cater to various applications, making it a preferred choice for multiple trade professionals.

Durability is another hallmark of the GTR20. Constructed with high-quality materials and designed to withstand demanding conditions, this tool is built to last. The robust casing protects internal components from debris and damage, ensuring longevity even in the toughest environments.

Safety features are also paramount in the GTR20's design. The integrated safety lock and anti-slip grip contribute to user safety, minimizing the risk of accidents during operation. These attributes are essential for maintaining control and ensuring a secure hold, particularly in challenging projects.

Additionally, the GTR20 is compatible with a range of accessories, broadening its functionality. Users can switch between various bits and attachments, allowing for seamless transitions from one task to another.

In summary, the Stanley Black & Decker GTR20 is a high-performance tool that combines power, efficiency, and user-centric design. With its robust motor, advanced battery technology, electronic speed control, and durability, it appeals to a wide audience while meeting the demands of rigorous work environments. Whether tackling professional jobs or embarking on personal projects, the GTR20 is a reliable companion that delivers impressive results every time.

FAULT CODES

FLASH

ENGINE

CODE

FAULT

SHUTDOWN

CORRECTIVE ACTION

GTR20 specifications