TRAXXAS TRX-4 82056-4 (01) PDF MANUAL

TRAXXAS TRX-4 82056-4 (01) PDF SUMMARY:

What safety precautions should I take before proceeding with my Traxxas TRX-4?

Carefully read and follow all instructions in the manual and any accompanying materials to prevent serious damage to the model. Failure to follow these instructions will be considered abuse and/or neglect. Before running the model, look over the entire manual and examine the model carefully. If it is not what you wanted, then do not continue any further.

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What are some important points to remember regarding safety?

• The model is not intended for use on public roads or congested areas where its operation can conflict with or disrupt pedestrian or vehicular traffic.
• Never operate the model in crowds of people, as it could cause injury if allowed to collide with anyone.
• The model is controlled by radio and is subject to radio interference from many sources. Always allow a safety margin in all directions around the model in order to prevent collisions.
• The motor, battery, and speed control can become hot during use. Be careful to avoid getting burned.
• Don’t operate the model at night, or anytime your line of sight to the model may be obstructed or impaired in any way.
• Use good common sense at all times.

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What precautions should I take regarding the speed control?

The electronic speed control (ESC) is a powerful electronic device capable of delivering high current. Follow these precautions to prevent damage to the speed control or other components:

• Always disconnect the battery from the speed control when not in use.
• Always insulate exposed wiring with heat shrink tubing to prevent short circuits.
• The XL-5 HV can accept a maximum input voltage of 8.4 volts (NiMH) or 11.1 volts (3S LiPo). Always adhere to the minimum and maximum limitations of the XL-5 HV as stated in the specifications table.
• Switch on the transmitter first before switching on the speed control to prevent runaways and erratic performance.
• The ESC and motor can become extremely hot during use, so be careful not to touch them until they cool. Supply adequate airflow for cooling.
• Do not change the battery and motor connectors. Improper wiring can cause fire or damage to the ESC.
• The ESC is not protected against reverse polarity voltage.
• External Schottky diodes are not compatible with reversing speed controls. Using a Schottky diode with the Traxxas speed control will damage the ESC.

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How do I recycle Traxxas Power Cell NiMH Batteries?

Traxxas encourages you to recycle Power Cell NiMH batteries when they reach the end of their useful life. Do not throw batteries in the trash. All Power Cell NiMH battery packs display the RBRC (Rechargeable Battery Recycling Corporation) icon, indicating they are recyclable. To find a recycling center, ask your local hobby dealer or visit http://www.call2recycle.org.

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What warnings should I be aware of regarding Lithium Polymer (LiPo) batteries?

Important Warnings for users of Lithium Polymer (LiPo) batteries:

• LiPo batteries have a minimum safe discharge voltage threshold that should not be exceeded. The electronic speed control is equipped with built-in Low-Voltage Detection that alerts the driver when LiPo batteries have reached their minimum voltage (discharge) threshold. It is the driver’s responsibility to stop immediately to prevent the battery pack from being discharged below its safe minimum threshold.
• Low-Voltage Detection is just one part of a comprehensive plan for safe LiPo battery use. It is critical to follow all instructions for safe and proper charging, use, and storage of LiPo batteries. Make sure you understand how to use your LiPo batteries.
• ONLY use a Lithium Polymer (LiPo) balance charger with a balance adapter port to charge LiPo batteries. Never use NiMH or NiCad-type chargers or charge modes to charge LiPo batteries. DO NOT charge with a NiMH-only charger. The use of a NiMH or NiCad charger or charge mode will damage the batteries and may cause fire and personal injury.
• NEVER charge LiPo battery packs in series or parallel. Charging packs in series or parallel may result in improper charger cell recognition and an improper charging rate that may lead to FIRE HAZARD!
• ALWAYS inspect your LiPo batteries carefully before charging. Look for any loose leads or connectors, damaged wire insulation, damaged cell packaging, impact damage, fluid leaks, swelling (a sign of internal damage), cell deformity, missing labels, or any other damage or irregularity. If any of these conditions are observed, do not charge or use the battery pack. Follow the disposal instructions included with your battery to properly and safely dispose of the battery.
• DO NOT store or charge LiPo batteries with or around other batteries or battery packs of any type, including other LiPos.
• Store and transport your battery pack(s) in a cool dry place. DO NOT store in direct sunlight. DO NOT allow the storage temperature to exceed 140°F or 60°C, such as in the trunk of a car, or the cells may be damaged and create a fire risk.
• DO NOT disassemble LiPo batteries or cells.
• DO NOT attempt to build your own LiPo battery pack from loose cells.

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What charging and handling precautions should I take for all battery types?

• BEFORE you charge, ALWAYS confirm that the charger settings exactly match the type (chemistry), specification, and configuration of the battery to be charged.
• DO NOT attempt to charge non-rechargeable batteries (explosion hazard), batteries that have an internal charge circuit or a protection circuit, batteries that have been altered from original manufacturer configuration, or batteries that have missing or unreadable labels, preventing you from properly identifying the battery type and specifications.
• DO NOT exceed the maximum manufacturer recommended charge rate.
• DO NOT let any exposed battery contacts or wires touch each other. This will cause the battery to short circuit and create the risk of fire.
• While charging or discharging, ALWAYS place the battery (all types of batteries) in a fire retardant/fire proof container and on a non-flammable surface such as concrete.
• DO NOT charge batteries inside of an automobile. DO NOT charge batteries while driving in an automobile.
• NEVER charge batteries on wood, cloth, carpet, or on any other flammable material.
• REMOVE flammable items and combustible materials from the charging area.
• DO NOT leave the charger and battery unattended while charging, discharging, or anytime the charger is ON with a battery connected. If there are any signs of a malfunction or in the event of an emergency, unplug the charger from the power source and disconnect the battery from the charger.
• DO NOT operate the charger in a cluttered space, or place objects on top of the charger or battery.
• If any battery or battery cell is damaged in any way, DO NOT charge, discharge, or use the battery.
• Keep a Class D fire extinguisher nearby in case of fire.
• DO NOT disassemble, crush, short circuit, or expose the batteries to flame or other source of ignition. Toxic materials could be released. If eye or skin contact occurs, flush with water.
• If a battery gets hot to the touch during the charging process (temperature greater than 110°F / 43°C), immediately disconnect the battery from the charger and discontinue charging.
• Allow the battery pack to cool off between runs (before charging).
• ALWAYS unplug the charger and disconnect the battery when not in use.
• ALWAYS unplug the battery from the electronic speed control when the model is not in use and when it is being stored or transported.
• DO NOT disassemble the charger.
• REMOVE the battery from your model or device before charging.
• DO NOT expose the charger to water or moisture.
• ALWAYS store battery packs safely out of the reach of children or pets. Children should always have adult supervision when charging and handling batteries.
• Nickel-Metal Hydride (NiMH) batteries must be recycled or disposed of properly.
• Always proceed with caution and use good common sense at all times.

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What recommended equipment should I have?

These items are not required for the operation of your model but are a good idea to include in any R/C toolbox:

• Safety glasses
• Traxxas Ultra Premium Tire Glue, Part #6468 (CA glue)
• Hobby knife
• Side cutters and/or needle nose pliers
• Phillips screwdriver
• Soldering iron

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What tools, supplies, and equipment are required?

Your model comes with a set of specialty metric tools. You’ll need to purchase other items, available from your hobby dealer, to operate and maintain your model. Supplied Tools and Equipment:

• 4-way wrench
• 2. 0mm “T” wrench
• 5mm “L” wrench
• 5mm “L” wrench

Required Equipment (not included):

• 4 AA alkaline batteries
• Battery charger (Traxxas iD battery chargers are compatible with Traxxas High-Current Connectors)
• 6 or 7-cell NiMH battery pack, or 2s/3s LiPo battery pack, with Traxxas High-Current connector

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What is the Quick Start guide for getting up to speed?

1. Read the safety precautions on page 4. For your own safety, understand where carelessness and misuse could lead to personal injury.
2. Install batteries in the transmitter. See page 13. The transmitter requires 4 AA alkaline batteries (sold separately).
3. Charge the battery pack. See page 13. Your model requires a battery pack and a compatible battery charger (not included). Never use a NiMH or NiCad charger to charge LiPo batteries.
4. Install battery packs in the model. See page 14. Your model requires a fully charged battery pack (not included).
5. Turn on the radio system. See page 15. Make a habit of turning the transmitter on first and off last.
6. Check servo operation. See page 16. Make sure the steering servos are working correctly.
7. Range test the radio system. See page 16. Follow this procedure to make sure your radio system works properly at a distance and that there is no interference from outside sources.
8. Detail your model. See page 11. Apply other decals if desired.
9. Drive your model. See page 21. Driving tips and adjustments for your model.
10. Maintain your model. See page 30. Follow these critical steps to maintain the performance of your model and keep it in excellent running condition.

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How do I apply the decals?

The main decals for your model have been applied at the factory. Additional decals are printed on self-adhesive clear mylar and are die-cut for easy removal. Use a hobby knife to lift the corner of a decal and lift it from the backing. To apply the decals, place one end down, hold the other end up, and gradually smooth the decal down with your finger as you go. This will prevent air bubbles. Placing both ends of the decal down and then trying to smooth it out will result in air pockets. Look at the photos on the box for typical decal placement.

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What is BEC?

BEC (Battery Eliminator Circuit) – The BEC can either be in the receiver or in the ESC. This circuit allows the receiver and servos to be powered by the main battery pack in an electric model. This eliminates the need to carry a separate pack of 4 AA batteries to power the radio equipment.

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What is current?

Current – Current is a measure of power flow through the electronics, usually measured in amps. If you think of a wire as a garden hose, current is a measure of how much water is flowing through the hose.

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What is ESC?

ESC (Electronic Speed Control) – An electronic speed control is the electronic motor control inside the model. The EVX-2 uses MOSFET power transistors to provide precise, digital proportional throttle control. Electronic speed controls use power more efficiently than mechanical speed controls so that the batteries run longer. An electronic speed control also has circuitry that prevents loss of steering and throttle control as the batteries lose their charge.

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What is frequency band?

Frequency band – The radio frequency used by the transmitter to send signals to your model. This model operates on the 2.4GHz direct-sequence spread spectrum.

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What is LiPo?

LiPo – Abbreviation for Lithium Polymer. Rechargeable LiPo battery packs are known for their special chemistry, which allows extremely high energy density and current handling in a compact size. These are high performance batteries that require special care and handling. LiPo battery packs are for advanced users only.

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What is mAh?

mAh – Abbreviation for milliamp hour, a measure of the capacity of the battery pack. The higher the number, the longer the battery will last between recharges.

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What is neutral position?

Neutral position – The standing position that the servos seek when the transmitter controls are at the neutral setting.

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What is NiCad?

NiCad – Abbreviation for nickel-cadmium. The original rechargeable hobby pack, NiCad batteries have very high current handling, high capacity, and can last up to 1000 charging cycles. Good charging procedures are required to reduce the possibility of developing a “memory” effect and shortened run times.

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What is NiMH?

NiMH – Abbreviation for nickel-metal hydride. Rechargeable NiMH batteries offer high current handling and much greater resistance to the “memory” effect. NiMH batteries generally allow higher capacity than NiCad batteries. They can last up to 500 charge cycles. A peak charger designed for NiMH batteries is required for optimal performance.

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What is a receiver?

Receiver – The radio unit inside your model that receives signals from the transmitter and relays them to the servos.

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What is resistance?

Resistance – In an electrical sense, resistance is a measure of how an object resists or obstructs the flow of current through it. When flow is constricted, energy is converted to heat and is lost.

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What is a servo?

Servo – Small motor unit in your model that operates the steering mechanism.

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What is a transmitter?

Transmitter – The hand-held radio unit that sends throttle and steering instructions to your model.

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What is trim?

Trim – The fine-tuning adjustment of the neutral position of the servos, made by adjusting the throttle and steering trim knobs on the face of the transmitter. Note: The Multi-Function knob must be programmed to serve as a throttle trim adjustment.

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What is Thermal Shutdown Protection?

Thermal Shutdown Protection – Temperature sensing electronics are used in the ESC to detect overloading and overheating of the transistor circuitry. If excessive temperature is detected, the unit automatically shuts down to prevent damage to the electronics.

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What is a 2-channel radio system?

2-channel radio system – The TQ radio system, consisting of the receiver, the transmitter, and the servos. The system uses two channels: one to operate the throttle and one to operate the steering.

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What is 2.4GHz Spread Spectrum?

4GHz Spread Spectrum – This model is equipped with the latest R/C technology. Unlike AM and FM systems that require frequency crystals and are prone to frequency conflicts, the TQi system automatically selects and locks onto an open frequency and offers superior resistance to interference and “glitching.”

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What is voltage?

Voltage – Voltage is a measure of the electrical potential difference between two points, such as between the positive battery terminal and ground. Using the analogy of the garden hose, while current is the quantity of water flow in the hose, voltage corresponds to the pressure that is forcing the water through the hose.

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What do the numbers 550 and 540 refer to?

550 and 540 – These numbers refer to the size of the motor.

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How do I install the transmitter batteries?

Your TQi transmitter uses 4 AA batteries. The battery compartment is located in the base of the transmitter.

1. Remove the battery compartment door by pressing the tab and sliding the door open.
2. Install the batteries in the correct orientation as indicated in the battery compartment.
3. Reinstall the battery door and snap it closed.
4. Turn on the transmitter and check the status indicator for a solid green light.

If the status LED flashes red, the transmitter batteries may be weak, discharged or possibly installed incorrectly. Replace with new batteries. The power indicator light does not indicate the charge level of the battery pack installed in the model. Refer to the Troubleshooting section on page 32 for more information on the transmitter Status LED codes. If the status LED doesn’t light green, check the polarity of the batteries. Check rechargeable batteries for a full charge. If you see any other flashing signal from the LED, refer to the chart on page 32 to identify the code.

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What type of batteries should I use?

Your transmitter uses AA batteries. Use new alkaline batteries. Do not use rechargeable AA cells to power the TQi transmitter, as they will not provide sufficient voltage for optimum transmitter performance. Caution: Discontinue running your model at the first sign of weak batteries (flashing red light) to avoid losing control.

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How do I select batteries for my model?

Your model does not include a battery or charger. The speed control in the model is compatible with both LiPo and NiMH batteries. One NiMH or 2s/3s LiPo battery equipped with a Traxxas High-Current Connector is required. Traxxas Power Cell iD batteries are strongly recommended for maximum performance and safer charging.

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How do I select a charger for my model?

Make certain you choose the correct type of charger for the batteries you select. Traxxas recommends you choose a genuine Traxxas EZ-Peak iD charger for safer charging and maximum battery life and performance.

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How do I install the battery pack?

WARNING: Do not pinch the battery wires or connector between the body wheel wells and the chassis when installing the battery. Install the battery pack with the battery wires facing the rear of the model. Swing the battery hold down towards the chassis and snap (lock) the end into the front hold-down retainer. Note: The battery hold down can be rotated on its pivot to accommodate different height battery packs.

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What is Battery iD?

Traxxas recommended battery packs are equipped with Traxxas Battery iD. This exclusive feature allows Traxxas battery chargers (sold separately) to automatically recognize connected battery packs and optimize the charge settings for the battery. This eliminates the need to worry over charger settings and menus for the easiest and safest charging solution possible.

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What radio system rules should I follow?

• Always turn your TQi transmitter on first and off last. This procedure will help to prevent your model from receiving stray signals from another transmitter, or other source, and running out of control. Your model has electronic fail-safes to prevent this type of malfunction, but the first, best defense against a runaway model is to always turn the transmitter on first and off last.
• Always use new batteries for the radio system. Weak batteries will limit the radio signal between the receiver and the transmitter. Loss of the radio signal can cause you to lose control of your model.
• In order for the transmitter and receiver to bind to one another, the receiver in the model must be turned on within 20 seconds of turning on the transmitter. The transmitter LED will flash fast red, indicating a failure to link. If you miss it, simply turn off the transmitter and start over.
• Always turn on the transmitter before plugging in the battery.

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How do I make basic adjustments to the radio system?

Throttle Neutral Adjustment The throttle neutral adjustment is located on the transmitter face and controls the forward/reverse travel of the throttle trigger. Change the adjustment by pressing the button and sliding it to the desired position. There are two settings available:

• 50/50: Allows equal travel for both acceleration and reverse.
• 70/30: Allows more throttle travel (70%) and less reverse travel (30%).

Steering Trim Turn the steering trim knob to precisely set the steering neutral point. To adjust, drive the vehicle forward slowly while “steering” with the trim knob until the vehicle travels in a straight line with no steering input.

Multi-Function Knob The Multi-Function knob can be programmed to control a variety of functions. From the factory, the Multi-Function knob controls Cruise Control on the TRX-4.

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What should I remember regarding radio system controls?

Remember, always turn the TQi transmitter on first and off last to avoid damage to your model. Stop immediately at the first sign of weak batteries. Never turn the transmitter off when the battery pack is plugged in. The model could run out of control.

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What is Automatic Fail-Safe?

The TQi transmitter and receiver are equipped with an automatic fail-safe system that does not require user programming. In the event of signal loss or interference, the throttle will return to neutral and the steering will hold its last commanded position. If the fail-safe activates while you are operating your model, determine the reason for signal loss and resolve the problem before operating your model again.

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How do I use the radio system?

The TQi Radio System has been pre-adjusted at the factory. The adjustment should be checked before running the model in case of movement during shipping. Here’s how:

1. Turn the transmitter switch on. The status LED on the transmitter should be solid green (not flashing).
2. Elevate the model on a block or a stand so that all the tires are off the ground. Make sure your hands are clear of the moving parts of the model.
3. Plug the battery pack in the model into the speed control.
4. Press and release the EZ-Set button on the speed control to turn the model on. The speed control’s LED will glow green, indicating that Low-Voltage Detection is activated to prevent over-discharging of LiPo batteries (this may cause poor performance from NiMH battery packs). Never use LiPo batteries while Low-Voltage Detection is disabled. See page 18 for more information. To turn the speed control off, press the EZ-Set button until the LED turns off.
5. Turn the steering wheel on the transmitter back and forth and check for rapid operation of the steering servo. Also, check that the steering mechanism is not loose or binding. If the steering operates slowly, check for weak batteries.
6. When looking down at the model, the front wheels should be pointing straight ahead. If the wheels are turned slightly to the left or right, slowly adjust the steering trim control on the transmitter until they are pointing straight ahead.
7. Gently operate the throttle trigger to ensure that you have forward and reverse operation, and that the motor stops when the throttle trigger is at neutral. WARNING: Do not apply full throttle in forward or reverse while the model is elevated.
8. Once adjustments are made, turn off the receiver on your model, followed by the hand-held transmitter.

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How do I range-test the radio system?

Before each running session with your model, you should range-test your radio system to ensure that it operates properly.

1. Turn on the radio system and check its operation as described in the previous section.
2. Have a friend hold the model. Make sure hands and clothing are clear of the wheels and other moving parts on the model.
3. Walk away from the model with the transmitter until you reach the farthest distance you plan to operate the model.
4. Operate the controls on the transmitter once again to be sure that the model responds correctly.
5. Do not attempt to operate the model if there is any problem with the radio system or any external interference with your radio signal at your location.

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How do I prevent loss of radio range?

To prevent loss of radio range do not kink or cut the black wire, do not bend or cut the metal tip, and do not bend or cut the white wire at the end of the metal tip.

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How do I bind the TQi?

For proper operation, the transmitter and receiver must be electronically “bound.” This has been done for you at the factory. Should you ever need to re-bind the system or bind to another transmitter or receiver, follow these instructions. Note: The receiver must be connected to a 4.8-6.0v (nominal) power source for binding. Vehicles equipped with an electronic speed control contain a BEC that provides a lower voltage to power the receiver. The transmitter and receiver must be within 5 feet of each other.

1. Press and hold the transmitter’s SET button as you switch the transmitter on. The transmitter’s LED will flash red slowly. Release the SET button.
2. Press and hold the receiver’s LINK button as you switch on the speed control (by pressing the EZ-Set button). Release the LINK button.
3. When the transmitter and receiver’s LEDs turn solid green, the system is bound and ready for use. Confirm that the steering and throttle operate properly before driving your model.

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How does Cruise Control operate?

The Multi-Function Knob on the TQi transmitter has been programmed to control Cruise Control on the TRX-4, which maintains vehicle speed for more comfortable long-distance travel (such as hiking on trails). To operate Cruise Control, accelerate to your desired speed and press the SET button on the transmitter to lock the speed in. Your model will continue at the set speed until you apply the brakes. You can fine tune the speed to exactly match your pace by adjusting the multi-function knob on the transmitter. Turn the knob clockwise to increase speed, counterclockwise to reduce speed. You can accelerate and drive faster with the Cruise Control set, and the vehicle will resume the set speed when the throttle is released (Resume function).

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How do I set up the antenna?

The receiver antenna has been set up and installed from the factory. The antenna is secured by a 3x4mm set screw. To remove the antenna tube, simply remove the set screw with the included 1.5mm wrench. When reinstalling the antenna, first slide the antenna wire into the bottom of the antenna tube until the white tip of the antenna is at the top of the tube under the black cap. Next, insert the antenna tube into the mount while making sure that the antenna wire is in the slot in the antenna mount; then, install the set screw next to the antenna tube. Use the supplied 1.5mm wrench to tighten the screw just until the antenna tube is securely in place. Do not over tighten. Do not bend or kink the antenna wire! Do not shorten the antenna tube.

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What are the XL-5 HV specifications?

• Input Voltage 6-7 cells NiMH; 2S/3S LiPo
• Case Size 1.23"W x 2.18"L x 1.11"H
• Weight 2.6 ounces / 74 grams
• Motor Limit 12-turns (550 size) with 2s LiPo 21-turns (550 Size) with 3s LiPo
• On Resistance Forward 0.004 Ohms
• On Resistance Reverse 0.004 Ohms
• Peak Current – Forward 100A
• Peak Current – Reverse 60A
• Braking Current 60A
• Continuous Current 18A
• BEC Voltage 6.0 VDC
• BEC Current 1A
• Power Wire 14 Gauge / 5"
• Input Harness Wire 26 Gauge / 14.5"
• Transistor Type MOSFET
• PWM Frequency 1700 Hz
• Thermal Protection Thermal Shutdown
• Single Button Setup Yes
• Low-Voltage Detection Yes (User Enabled)

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How do the XL-5 HV Battery Settings (Low-Voltage Detection Setting) work?

The XL-5 HV electronic speed control is equipped with built-in Low-Voltage Detection. The Low-Voltage Detection circuitry constantly monitors the battery voltage. When the battery voltage begins to reach the minimum recommended discharge voltage threshold for LiPo battery packs, the XL-5 HV will limit the power output to 50% throttle. When the battery voltage attempts to fall below the minimum threshold, the XL-5 HV will shut down all motor output. The LED on the speed control will slowly blink red, indicating a low-voltage shutdown. The XL-5 HV will stay in this mode until a fully charged battery is connected. When you turn your model on, the XL-5 HV speed control’s status LED will glow green, indicating that Low-Voltage Detection is activated to prevent over-discharging of LiPo batteries. LiPo batteries are intended only for the most advanced users that are educated on the risks associated with LiPo battery use.

Verify that Low-Voltage Detection is ACTIVATED:

1. Turn on the transmitter (with the throttle at neutral).
2. Connect a fully charged battery pack to the XL-5 HV.
3. Press and release the EZ-Set button to turn the XL-5 HV on. If the LED is solid green, then the Low-Voltage Detection is ACTIVATED.

If Low-Voltage Detection is DISABLED:

1. Make sure the LED on the XL-5 HV is on and RED.
2. Press and hold the EZ-Set button (the LED will turn off). After ten seconds, the motor will beep twice and the LED will shine GREEN. Release the button.
3. Low-Voltage Detection is now ACTIVATED.

For NiMH battery users, follow these steps to disable Low-Voltage Detection (NiMH setting):

1. Make sure the LED on the XL-5 HV is on and GREEN.
2. Press and hold the EZ-Set button (the LED will turn off). After ten seconds, the motor will beep three times and the LED will shine RED. Release the button.
3. Low-Voltage Detection is now DISABLED.

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How do I setup the XL-5 HV?

Read through all of the programming steps before you begin. If you get lost during programming or receive unexpected results, simply unplug the battery, wait a few seconds, plug the battery pack in, and start over.

1. Disconnect one of the motor wires between the XL-5 HV and the motor. This is a precaution to prevent runaway when the speed control is turned on before it is programmed.
2. Connect a fully charged battery pack to the XL-5 HV.
3. Turn on the transmitter (with the throttle at neutral).
4. Press and hold the EZ-Set button (A). The LED will first turn green and then red. Release the button.
5. When the LED blinks RED ONCE, pull the throttle trigger to the full throttle position and hold it there (B).
6. When the LED blinks RED TWICE, push the throttle trigger to the full reverse and hold it there ©.

Note: If you are calibrating to clear an error code on the ESC, then skip step 7 and proceed to step 8.

7. When the LED blinks GREEN ONCE, programming is complete. The LED will then shine green or red (depending on Low-Voltage Detection setting).
8. When the LED blinks GREEN ONCE, continue holding the trigger in the reverse position and also press and hold the button on the ESC for about 10 seconds until the ESC beeps. This places the ESC in NiMH mode and clears any error codes.