In the video below, you will learn how to install the second battery on the Ariel Rider X-Class 60V. We will show you a few different locations for the installation.

<p>In the video below, you will learn how to install the second battery on the <a href="https://arielrider.com/products/x-class-60v" target="_blank" rel="noopener noreferrer">Ariel Rider X-Class 60V</a>. We will show you a few different locations for the installation.&#xA0;</p><p><span contenteditable="false" draggable="true" class="fr-video fr-deletable fr-rv fr-fvc fr-dvb fr-draggable"><iframe width="100%" src="https://www.youtube.com/embed/Fm1FD4sDjXg?&amp;wmode=opaque&amp;rel=0" frameborder="0" allowfullscreen class="fr-draggable"></iframe></span><br></p>

How to install the second battery on X-Class 60V

Error 21 indicates a speed sensor malfunction on your e-bike. This error typically occurs when the bike's control system cannot properly communicate with the speed sensor, which monitors wheel rotation and provides critical data for motor operation.

<h1 id="isPasted">Error 21: Speed Sensor Troubleshooting Guide</h1><h2 id="what-is-error-21">What is Error 21?</h2><p>Error 21 indicates a speed sensor malfunction on your e-bike. This error typically occurs when the bike&apos;s control system cannot properly communicate with the speed sensor, which monitors wheel rotation and provides critical data for motor operation.</p><h2 id="safety-requirements">Safety Requirements</h2><p><strong>IMPORTANT: Before performing any troubleshooting steps, you must:</strong></p><ol><li><strong>Power the bike completely OFF</strong></li><li><strong>Remove both batteries from the bike</strong></li></ol><p><strong>Warning:</strong> Failure to properly power down the bike and remove batteries before working on electrical components may cause damage that is not covered under warranty.</p><h2 id="basic-troubleshooting-steps">Basic Troubleshooting Steps</h2><h3 id="step-1-motor-cable-reconnection">Step 1: Motor Cable Reconnection</h3><p>The most common solution for Error 21 is to reset the motor cable connection:</p><ol><li><strong>Ensure the bike is powered OFF and batteries are removed</strong></li><li><strong>Locate the motor cable connection</strong> (usually near the rear wheel/motor area)</li><li><strong>Carefully disconnect the motor cable</strong> by gently pulling apart the connector</li><li><strong>Inspect the connector pins</strong> for any dirt, corrosion, or damage</li><li><strong>Reconnect the motor cable&#xA0;</strong>ensuring it is:<ul><li>Fully seated in the connector</li><li>Pushed together completely</li><li>Secure and tight</li></ul></li><li><strong>Reinstall the batteries</strong></li><li><strong>Power on the bike</strong> and check if Error 21 has cleared</li></ol><h3 id="step-2-cable-inspection">Step 2: Cable Inspection</h3><p>If reconnecting the motor cable doesn&apos;t resolve the issue, perform a thorough cable inspection:</p><ol><li><strong>Follow all safety requirements</strong> (bike OFF, batteries removed)</li><li><strong>Visually inspect the motor cable</strong>along its entire length for:<ul><li>Cuts or nicks in the cable jacket</li><li>Pinched or crushed areas</li><li>Signs of wear where the cable rubs against the frame</li><li>Loose or damaged connectors</li></ul></li><li><strong>Check cable routing</strong>to ensure it&apos;s not:<ul><li>Pinched by frame components</li><li>Rubbing against moving parts</li><li>Stretched or under tension during steering</li></ul></li><li><strong>Examine the speed sensor</strong>(if accessible) for:<ul><li>Physical damage</li><li>Proper mounting position</li><li>Debris blocking the sensor</li></ul></li></ol><h2 id="when-to-contact-support">When to Contact Support</h2><p>Contact technical support if:</p><ul><li>Error 21 persists after cable reconnection</li><li>You discover visible cable damage during inspection</li><li>You&apos;re uncomfortable performing these troubleshooting steps</li><li>The error returns frequently after clearing</li></ul><h2 id="important-warranty-information">Important Warranty Information</h2><p><strong>Please Note:</strong> Damage caused by working on electrical components without properly powering down the bike and removing batteries is not covered under warranty. Always follow proper safety procedures before performing any maintenance or troubleshooting.</p><h2 id="prevention-tips">Prevention Tips</h2><p>To avoid future speed sensor errors:</p><ul><li><strong>Regular maintenance:</strong> Inspect cables monthly for signs of wear</li><li><strong>Proper storage:</strong> Avoid storing the bike in areas where cables might be pinched or damaged</li><li><strong>Careful handling:</strong> Be mindful of cable routing when transporting or servicing the bike</li><li><strong>Professional service:</strong> Have your bike inspected by a qualified technician annually</li></ul><hr><p><strong>Still experiencing issues?</strong> Contact our technical support team at <a href="mailto:info@arielrider.com">info@arielrider.com</a> with your bike&apos;s serial number and a description of the troubleshooting steps you&apos;ve already performed.</p>

Error 21: Speed sensor troubleshooting guide

Error 08 indicates a hall sensor error on your e-bike. This error occurs when there's a problem with the magnetic sensors that detect the motor's rotor position. Error 09 indicates a motor phase error on your e-bike. This error occurs when there's a

<h2 id="what-are-error-08-and-error-09">What are Error 08 and Error 09?</h2><p><strong>Error 08</strong> indicates a <strong>hall sensor error</strong> on your e-bike. This error occurs when there&apos;s a problem with the magnetic sensors that detect the motor&apos;s rotor position.</p><p><strong>Error 09</strong> indicates a <strong>motor phase error</strong> on your e-bike. This error occurs when there&apos;s a communication problem between the motor and the controller, typically due to electrical connection issues or damaged cables in the motor phase circuits.</p><p>Both errors share the same troubleshooting steps as they involve motor electrical connections and communication between the motor and controller.</p><h2 id="safety-requirements">Safety Requirements</h2><p><strong>Before beginning any troubleshooting:</strong></p><ol><li><strong>Power the bike completely OFF</strong></li><li><strong>Remove the battery from the bike</strong></li><li><strong>Allow the system to fully power down</strong></li></ol><h2 id="troubleshooting-steps">Troubleshooting Steps</h2><h3 id="step-1-inspect-motor-connections">Step 1: Inspect Motor Connections</h3><p><strong>Motor Cable Connector Inspection</strong></p><ol><li><strong>Locate the motor cable connection</strong> ( near the rear wheel on the swing arm)</li><li><strong>Carefully unplug the motor connector</strong></li><li><strong>Inspect both sides of the connection</strong>for:<ul><li>Bent or damaged pins</li><li>Corrosion or oxidation</li><li>Debris or moisture inside the connector</li><li>Burns or discoloration around pins</li></ul></li></ol><p><strong>Important:</strong> Use good lighting or a flashlight to clearly see inside the connector pins. Take photos of both the male and female sides of the connector if any damage is visible.</p><p><strong>Motor Cable Physical Inspection</strong></p><p>Examine the motor cable along its entire length:</p><ol><li><strong>Follow the cable from the motor to the controller</strong></li><li><strong>Look for visible damage including:</strong><ul><li>Cuts or nicks in the cable jacket</li><li>Pinched or crushed areas</li><li>Wear marks where cable rubs against frame</li><li>Exposed wires or damaged insulation</li></ul></li><li><strong>Pay special attention to stress points:</strong><ul><li>Where the cable enters the motor housing</li><li>Areas where the cable bends or flexes during riding</li><li>Connection points and joints</li></ul></li></ol><p><strong>Hub Motor Cable Inspection</strong></p><p>For bikes with hub motors:</p><ol><li><strong>Locate the motor cable at the hub connection</strong></li><li><strong>Pull back the protective spring or cover</strong></li><li><strong>Inspect the connection area for:</strong><ul><li>Water ingress or moisture</li><li>Damaged seals or protective covering</li><li>Loose connections</li><li>Corrosion on electrical contacts</li><li>Damage to the cable itself</li></ul></li></ol><h3 id="step-2-document-findings">Step 2: Document Findings</h3><p>If you discover any damage during inspection:</p><ol><li><strong>Take clear, well-lit photos</strong> of any damaged areas</li><li><strong>Note the specific location</strong> of any issues found</li><li><strong>Avoid manipulating damaged cables</strong> to prevent further damage</li></ol><h2 id="when-to-contact-support">When to Contact Support</h2><p>Contact technical support if:</p><ul><li><strong>Error 08 or Error 09 persists</strong></li><li><strong>You discover damaged connectors or cables</strong> during inspection</li><li><strong>The motor makes unusual noises</strong> when attempting to operate</li><li><strong>You find damage or corrosion</strong> in electrical connections</li></ul><h2 id="understanding-motor-systems">Understanding Motor Systems</h2><p><strong>Hall Sensor Errors (Error 08)</strong> relate to the magnetic sensors that detect the motor&apos;s rotor position for precise timing and control.</p><p><strong>Motor Phase Errors (Error 09)</strong> relate to the three-phase electrical system that powers brushless motors. Each phase must work in coordination for proper motor operation. When one phase fails due to connection issues or cable damage, Error 09 appears to protect the system from further damage.</p><p>Both types of errors often stem from the same root causes: damaged connections, moisture ingress, or cable wear.</p><h2 id="need-additional-help">Need Additional Help?</h2><p>If Error 08 or Error 09 continues after troubleshooting, or if you discover damage during inspection, contact our technical support team at <a href="mailto:info@arielrider.com">info@arielrider.com</a> for further assistance.</p>

Error 08 & Error 09 Troubleshooting guide

Error 07 indicates that a battery with higher voltage than your bike's original specification has been connected to your e-bike. This is a protective measure to prevent damage to your bike's electrical system from incompatible batteries. To resolve t

<h2 id="what-is-error-07">What is Error 07?</h2><p>Error 07 indicates that a battery with <strong>higher voltage than your bike&apos;s original specification</strong> has been connected to your e-bike. This is a protective measure to prevent damage to your bike&apos;s electrical system from incompatible batteries.</p><h2 id="how-to-resolve-error-07">How to Resolve Error 07</h2><p><strong>To resolve this issue:</strong></p><ol><li><strong>Power off your bike completely</strong></li><li><strong>Remove the current battery</strong></li><li><strong>Reinstall your original Ariel Rider battery</strong></li><li><strong>Power the bike back on</strong></li></ol><p>The error should clear once the correct battery is reconnected and the system detects the proper voltage levels.</p><h2 id="important-warranty-information">Important Warranty Information</h2><p><strong>Using third-party batteries voids the warranty on all Ariel Rider bikes and components.</strong></p><p>To maintain your warranty coverage and ensure safe operation:</p><ul><li>Always use your original Ariel Rider battery</li><li>Avoid connecting batteries from other manufacturers</li><li>Do not use modified or aftermarket batteries</li></ul><h2 id="experiencing-error-07-with-your-original-battery">Experiencing Error 07 with Your Original Battery?</h2><p>If you&apos;re seeing Error 07 <strong>with your original Ariel Rider battery</strong>, this may indicate a technical issue that requires investigation. Please contact our support team immediately as this is not expected behavior.</p><h2 id="when-to-contact-support">When to Contact Support</h2><p>Contact technical support if:</p><ul><li><strong>Error 07 appears with your original Ariel Rider battery</strong></li><li><strong>The error persists after reinstalling your original battery</strong></li><li><strong>You need help identifying your original battery</strong></li><li><strong>You have questions about battery compatibility</strong></li></ul><h2 id="need-additional-help">Need Additional Help?</h2><p>If Error 07 continues after reinstalling your original Ariel Rider battery, or if you&apos;re experiencing this error with an original battery, contact our technical support team at <a href="mailto:info@arielrider.com">info@arielrider.com</a> for immediate assistance.</p><p><br></p>

Error 07: Overvoltage protection

Error 05 indicates a throttle error on your e-bike. This error occurs when the bike's controller detects an issue with the throttle system, which could be due to improper throttle position at startup, connection problems, or damaged throttle componen

<h2 id="what-is-error-05">What is Error 05?</h2><p>Error 05 indicates a <strong>throttle error</strong> on your e-bike. This error occurs when the bike&apos;s controller detects an issue with the throttle system, which could be due to improper throttle position at startup, connection problems, or damaged throttle components.</p><h2 id="safety-requirements">Safety Requirements</h2><p><strong>Before beginning troubleshooting:</strong></p><ul><li>Ensure you&apos;re in a safe location away from traffic</li><li>Have the bike powered off when inspecting connections</li></ul><h2 id="troubleshooting-steps">Troubleshooting Steps</h2><h3 id="step-1-check-throttle-position">Step 1: Check Throttle Position</h3><p><strong>If you were holding the throttle while turning on the bike:</strong></p><ol><li><strong>Release the throttle fully</strong> and ensure it returns to the resting position</li><li><strong>Power the bike off completely</strong></li><li><strong>Wait 10 seconds</strong></li><li><strong>Power the bike back on</strong> without touching the throttle</li></ol><p>The error should clear if it was caused by throttle position at startup.</p><h3 id="step-2-test-without-the-throttle">Step 2: Test Without the Throttle</h3><p>If the issue persists after Step 1:</p><ol><li><strong>Turn the bike off</strong></li><li><strong>Locate and unplug the throttle connector</strong></li><li><strong>Turn the bike back on</strong></li><li><strong>Test the pedal assist function</strong></li></ol><p><strong>Report your findings:</strong> Let us know if the pedal assist functions normally without the throttle connected.</p><h3 id="step-3-inspect-throttle-components">Step 3: Inspect Throttle Components</h3><p>If pedal assist works normally without the throttle, perform a visual inspection:</p><p><strong>What to inspect:</strong></p><ol><li><strong>Throttle connector and pins</strong> - Look for bent/damaged pins, corrosion, or debris</li><li><strong>Throttle cable</strong> - Follow from handlebar to connection, checking for cuts, pinching, kinks, or exposed wires</li><li><strong>Main wire harness</strong> - Check for cuts, loose connections, or signs of wear</li></ol><p><strong>What to look for:</strong></p><ul><li>Physical damage (cuts, nicks, pinched areas)</li><li>Electrical issues (bent pins, corrosion, loose connections)</li><li>Wear and stress points (kinks, exposed wires, fraying)</li></ul><h3 id="step-4-document-your-findings">Step 4: Document Your Findings</h3><p><strong>Take clear photos or videos showing:</strong></p><ul><li>Any damaged connections or cables you discover</li><li>The throttle in its resting position</li><li>Any error messages on your display</li></ul><p><strong>Important:</strong> Avoid manipulating damaged components to prevent further damage.</p><h2 id="when-to-contact-support">When to Contact Support</h2><p>Contact technical support if:</p><ul><li><strong>Error 05 persists after throttle position reset</strong></li><li><strong>Pedal assist doesn&apos;t work without throttle connected</strong></li><li><strong>You discover damaged connections or cables</strong></li><li><strong>You&apos;re uncomfortable performing inspection steps</strong></li><li><strong>You need clarification on any troubleshooting steps</strong></li></ul><h2 id="understanding-throttle-systems">Understanding Throttle Systems</h2><p>The throttle system allows for immediate power delivery without pedaling. Error 05 protects your bike&apos;s electrical system by detecting when the throttle isn&apos;t functioning properly, preventing potential safety issues or system damage.</p><h2 id="need-additional-help">Need Additional Help?</h2><p>If Error 05 continues after troubleshooting, or if you discover any damage during inspection, contact our technical support team at <a href="mailto:info@arielrider.com">info@arielrider.com</a>. Please include:</p><ul><li>Description of what you found during troubleshooting</li><li>Clear photos or videos of any issues</li><li>Results from each troubleshooting step</li></ul><p>Our agents will use this information to better assess the situation and provide appropriate next steps.</p>

Error 05: Throttle error

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Battery return instructions for Ariel Rider (For inspection after receiving battery kit)