Arrma GRANITE 4x4 MEGA

Questions and Answers

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jennifer55Aug 14, 2025
What to do if steering/throttle operation is intermittent on my Arrma Motorized Toy Car?
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  Donna ReedAug 14, 2025
  If you're experiencing intermittent steering or throttle operation with your Arrma Motorized Toy Car, it could be due to: * The MEGA ESC shutting down because of overheating. Stop driving and allow the MEGA ESC or motor to cool down. * The Tactic transmitter and receiver unit not being properly bound. Check for sources of interference and re-bind the transmitter/receiver.
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Alyssa WalkerAug 20, 2025
Why does my Arrma Motorized Toy Car have a short runtime?
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  April HeathAug 20, 2025
  If you experience short runtime with your Arrma Motorized Toy Car, consider these possible causes: * The battery might be damaged or not fully charged. Check its condition and replace or recharge it as needed. * The MEGA electric motor could be dirty or damaged. Clean it, check its condition, and consider replacing it if necessary. * The ESC battery mode might be incorrect, with the voltage cutoff set too high for your battery. Adjust the battery mode of the MEGA Unit. * The Tactic transmitter throttle trim might be incorrectly set. Ensure the throttle trim is set to zero or neutral. * The electric motor might be dirty or damaged. Clean it, check its condition, and consider replacing it if necessary.
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Elizabeth NelsonAug 25, 2025
Why does my Arrma GRANITE 4x4 MEGA wander left or right on its own?
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  Donald MooreAug 25, 2025
  If your Arrma Motorized Toy Car is wandering left or right without steering input, here's what could be happening: * The Tactic steering trim setting may be off. Adjust the steering trim as described in the manual. * There might be damaged steering components. Inspect the components and replace them if needed. * The drivetrain could be dirty or damaged. Clean it, check its condition, and replace any damaged parts.
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Benjamin WaltersAug 27, 2025
Why do I have no control or short range with my Arrma GRANITE 4x4 MEGA?
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  Angela DeanAug 27, 2025
  If you have no control of your Arrma Motorized Toy Car or are experiencing short range, check the following: * Ensure the Tactic transmitter batteries are not weak and are fitted correctly. Check and refit them according to the manual. * Verify that the servo wires to the receiver are not loose and are connected correctly. Reinstall the signal wires to the receiver. * Confirm that the Tactic transmitter and receiver unit are correctly 'bound'. If not, they need to be bound.
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Michael HickmanAug 31, 2025
Why is the steering/throttle operation reversed on my Arrma GRANITE 4x4 MEGA?
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  Charles ElliottAug 31, 2025
  If the steering or throttle operation is reversed on your Arrma Motorized Toy Car, the cause could be: * The relevant channel of the Tactic transmitter is reversed. Reverse the relevant channel on the Tactic transmitter as shown in the manual. * The wires from the ESC to the motor are not connected correctly. Reconnect them in the correct orientation (orange to red and blue to black), ensuring a tight fit. If the fit is not tight, pinch the female connector with pliers.
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valerie62Sep 3, 2025
What causes my Arrma GRANITE 4x4 MEGA to drive without input?
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  franklincrystalSep 3, 2025
  If your Arrma Motorized Toy Car drives without input, it might be due to: * The Tactic transmitter throttle trim being incorrectly set. The throttle trim needs to be set to zero/neutral. * An incorrect neutral throttle position of the MEGA ESC Unit. Set the throttle trim to zero, switch the MEGA Unit off, and then on again to reset its neutral position.
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Paul JamesSep 6, 2025
How to fix limited steering angle on my Arrma Motorized Toy Car?
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  susan01Sep 6, 2025
  If you're experiencing a limited steering angle on your Arrma Motorized Toy Car, the cause could be: * The Tactic transmitter steering dual-rate is set incorrectly. Adjust the Tactic transmitter dual-rate. * There are damaged steering components. Check the components and replace them if necessary.
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Shari GeorgeSep 10, 2025
What to do if my Arrma GRANITE 4x4 MEGA does not reverse?
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  Ann WhitakerSep 10, 2025
  If your Arrma Motorized Toy Car does not reverse, it could be due to: The MEGA Waterproof ESC being damaged. If this is the case, consider replacing it.
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usimsNov 16, 2025
Why my Arrma GRANITE 4x4 MEGA Motorized Toy Car does not move?
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  Megan HooverNov 16, 2025
  If your Arrma Motorized Toy Car doesn't move, there are several potential causes: * The batteries in the Tactic transmitter may be incorrectly installed. Check and refit them according to the manual. * The drive battery in the model might be weak, damaged, or missing. Try installing fresh, charged batteries. * The motor or ESC wires could be frayed or broken. Inspect them, reconnect them if necessary, and ensure they are insulated. * The ESC may have shut down due to overheating. Allow the MEGA ESC or motor to cool down. * The electric motor or MEGA waterproof ESC could be damaged. In this case, replacement might be necessary. * There might be damage to the transmission/drive-line. Check the components and replace if needed. * The ESC low voltage cutoff might have activated ...

Summary

Get Started

Whats Included

Lists the components included with the ARRMA 4x4 vehicle and transmitter.

Safety Warnings

Parental;Guardian Responsibility

Emphasizes parent/guardian role in supervising minors using the product.

General Operation Safety

Covers safe operation, age limits, risk assumption, and keeping clear of moving parts.

Battery Safety (LiPo)

Details critical safety instructions for LiPo batteries, including charging and disposal.

Component Temperature

Advises on motor and ESC temperatures and cooling down periods.

Quick Start Guide

Remove Body

Instructions on how to remove the vehicle's body shell.

Remove Car Batteries

Steps to disconnect and remove the vehicle's battery pack.

Charge Car Batteries

Guide to charging the vehicle's NiMH battery using the provided charger.

Install AA Batteries In Controller

Instructions for installing AA batteries into the transmitter.

Fully Charged Batteries

Visual guide showing fully charged battery status and connection.

Install Charged Batteries In Car

Steps to install the charged battery pack into the vehicle.

Steering Neutral

How to set the vehicle's steering to a neutral position before operation.

How to Drive

Transmitter Controls

Identifies and explains the functions of the steering wheel and throttle trigger.

Driving Forward

Demonstrates how to apply throttle for forward movement.

Braking and Reversing

Explains how to apply brakes and engage reverse gear.

Connect and Power On

Connect ESC and Power On Sequence

Details the correct order for connecting the ESC and powering on the transmitter and vehicle.

Install Car Body

Instructions on how to re-attach the vehicle's body shell after setup.

Power Off and Storage

Power Off Sequence

Correct procedure for powering down the vehicle and transmitter.

Storage Instructions

Guidance on how to properly store the vehicle and its components.

Electronic Speed Controller (ESC) Details

ESC Components and Setup

Identifies ESC parts like motor connectors, heat-sink, and throttle setup procedure.

ESC Specifications and Status LED

Details ESC input voltage, BEC output, and status LED indicators.

Low Voltage Cut Off and Factory Defaults

Explains low voltage cut-off settings for different battery types and factory default configurations.

ESC Tuning Options

Describes tuning options for the ESC, including battery mode and reverse lock out using jumpers.

Temperature Protection

Explains the ESC's temperature protection feature and how it operates.

Battery Modes

Details how to set the ESC battery mode, especially for LiPo batteries.

Radio Gear and Transmitter Setup

Tactic TTX300 Transmitter Overview

Identifies components of the Tactic TTX300 transmitter and receiver.

Transmitter Controls and Adjustments

Explains controls like trim, dual rate, steering/throttle reverse, and battery status.

Factory Defaults and Binding

Covers factory settings, transmitter/receiver binding procedure, and failsafe setup.

End Point Adjustment

Guide on adjusting steering and throttle end points for optimal control.

Failsafe and Factory Reset

Instructions for setting up failsafe and resetting the transmitter's end points.

Regulatory and Disposal Information

Includes FCC/CE compliance, disposal instructions, and battery handling cautions.

Troubleshooting Guide

Vehicle Does Not Move;Reverse

Lists possible causes and solutions for the vehicle not moving or reversing.

Vehicle Drives Without Input; Short Runtime

Addresses issues of unintended movement and short battery life.

Sluggish Performance

Solutions for slow or unresponsive vehicle performance.

No Control; Intermittent Operation

Covers problems with loss of control, short range, or intermittent operation.

Vehicle Wanders; Steering Reversed

Solutions for the vehicle drifting or steering/throttle inputs being reversed.

Limited Steering Angle

Addresses issues related to restricted steering range.

Notes