If your display shows an error code, the system has detected a specific issue that requires attention. Use the table below to identify the problem and find the recommended solution. Code. Description. Recommended Action. Error 04. Throttle engaged at

If your display shows an error code, the system has detected a specific issue that requires attention. Use the table below to identify the problem and find the recommended solution.<h3 dir="ltr" id="common-error-codes--solutions">Common Error Codes &amp; Solutions</h3><div dir="ltr" align="left"><table><tbody><tr><td style="width: 9.3298%;">Code</td><td style="width: 31.7896%;">Description</td><td style="width: 58.6728%;">Recommended Action</td></tr><tr><td style="width: 9.3298%;">Error 04</td><td style="width: 31.7896%;">Throttle engaged at start-up&#xA0;</td><td style="width: 58.6728%;">Release the throttle and reboot the bike.</td></tr><tr><td style="width: 9.3298%;">Error 05</td><td style="width: 31.7896%;">Throttle malfunction&#xA0;</td><td style="width: 58.6728%;">Inspect throttle wiring; contact support if the error persists.</td></tr><tr><td style="width: 9.3298%;">Error 08</td><td style="width: 31.7896%;">Motor Hall signal failure&#xA0;</td><td style="width: 58.6728%;">Check motor cable connections for loose or damaged pins.</td></tr><tr><td style="width: 9.3298%;">Error 10</td><td style="width: 31.7896%;">Motor overheating&#xA0;</td><td style="width: 58.6728%;">Stop riding and allow the motor to cool down to the protective threshold.</td></tr><tr><td style="width: 9.3298%;">Error 25</td><td style="width: 31.7896%;">Sensor signal error&#xA0;</td><td style="width: 58.6728%;">Issue with torque or cadence sensor signal; inspect sensor wiring.</td></tr><tr><td style="width: 9.3298%;">Error 30</td><td style="width: 31.7896%;">Communication lost&#xA0;</td><td style="width: 58.6728%;">The display is not receiving data from the controller. Check all main wiring harness connections.</td></tr></tbody></table></div>Still seeing an error?If you are seeing an error code and unable to clear it, please contact our support team through our contact form&#xA0;<a href="https://arielrider.com/pages/contact-us" target="_blank" rel="noopener noreferrer">here</a>.

Kepler Dual Battery: Error Codes.

Because the Kepler 52V is a high-performance ebike, maintaining its hydraulic braking system is critical for your safety and the longevity of the bike. Use the following guidelines to inspect, adjust, and service your brakes. Lever Operation: Squeeze

Because the Kepler 52V is a high-performance ebike, maintaining its hydraulic braking system is critical for your safety and the longevity of the bike. Use the following guidelines to inspect, adjust, and service your brakes.<h3 dir="ltr" id="1-routine-inspection">1. Routine Inspection</h3><ul><li dir="ltr" style=" text-decoration: none;">Lever Operation:&#xA0;Squeeze the brake levers to ensure they feel firm and return to their resting position immediately after release.</li><li dir="ltr" style=" text-decoration: none;">Lever Reach:&#xA0;The levers should not touch the handlebars even when fully engaged.</li><li dir="ltr" style=" text-decoration: none;">Pad Wear:&#xA0;Inspect the brake pads regularly; they must be replaced if they are worn down to the manufacturer&apos;s minimum thickness recommendation.</li><li dir="ltr" style=" text-decoration: none;">Rotor Integrity:&#xA0;Examine the brake rotors for any signs of warping, cracks, or uneven wear. Damaged rotors must be replaced immediately.</li><li dir="ltr" style=" text-decoration: none;">Leak Check:&#xA0;Periodically check the hydraulic lines and connections for any signs of fluid leaks.</li></ul><h3 dir="ltr" id="2-cleaning-and-performance">2. Cleaning and Performance</h3><ul><li dir="ltr" style=" text-decoration: none;">Rotor Cleaning:&#xA0;Clean the brake rotors with isopropyl alcohol to remove dirt and oils, which helps maintain maximum braking efficiency.</li><li dir="ltr" style=" text-decoration: none;">Noises:&#xA0;Listen for unusual vibrations or grinding noises during braking, which can indicate worn pads or misaligned calipers.</li><li dir="ltr" style=" text-decoration: none;">Motor Cut-off:&#xA0;Ensure the motor cut-off feature is functional, meaning the motor stops immediately when either brake lever is squeezed.</li></ul><h3 dir="ltr" id="3-advanced-maintenance">3. Advanced Maintenance</h3><ul><li dir="ltr" style=" text-decoration: none;">Brake Bleeding:&#xA0;Every six months (or every 1,000 miles), it is recommended to perform a brake bleed to remove air bubbles and ensure consistent performance.</li><li dir="ltr" style=" text-decoration: none;">Fluid Replacement:&#xA0;Always use the manufacturer-recommended brake fluid when refilling the system.</li><li dir="ltr" style=" text-decoration: none;">Professional Overhaul:&#xA0;Every 2,000 miles, perform a comprehensive brake system overhaul, replacing pads and rotors if wear exceeds limits.</li></ul><h3 dir="ltr" id="4-torque-specifications-for-brakes">4. Torque Specifications for Brakes</h3>When performing maintenance, ensure all bolts are tightened to the following values:<ul><li dir="ltr" style=" text-decoration: none;">Caliper to Adapter/Frame:&#xA0;9Nm.</li><li dir="ltr" style=" text-decoration: none;">Brake Rotor to Hub:&#xA0;4Nm.</li><li dir="ltr" style=" text-decoration: none;">Brake Pads to Caliper:&#xA0;4Nm.</li><li dir="ltr" style=" text-decoration: none;">Brake Lever Clamp Bolt:&#xA0;8Nm.</li></ul>Safety Warning:&#xA0;If you are unsure how to perform these adjustments or if your brakes feel &quot;spongy,&quot; consult a certified, reputable bike mechanic immediately. If you need any assistance or have any questions please contact us through our contact form&#xA0;<a href="https://arielrider.com/pages/contact-us" target="_blank" rel="noopener noreferrer">here</a>.&#xA0;

Kepler Dual Battery: Brake Maintenance and Safety

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Troubleshooting for your Kepler Dual Battery 52V

Owners resources & Technical support

Kepler Dual Battery 52V

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Pre-ride safety checklist

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Washing your Ariel Rider motorized bike

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Bike security: Protecting your Ariel Rider bike from loss or theft

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What is error code 30?

The Mileage on my bike is inaccurate

Display & control settings

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Proper battery maintenance

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Battery lock not working

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

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How to Power Cycle, DCE, your bike

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Motor core return instructions for Ariel Rider

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Wheels, Motors, Tires, & Spokes

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How do I adjust my Motor Cut Off Sensors? (!)

How to adjust the rear derailleur on your Ariel Rider bike

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Brakes, Drivetrain, & Adjustments

General technical support info

X‑Class 60V: User manual

X‑Class 60V: Off-Road Edition Assembly video

X‑Class 60V: Assembly video

X-Class 60V: Assembly time

X-Class 60V: Display settings

X‑Class 60V: Tire pressure

X-Class 60V: How to adjust your Handle Bars

X‑Class 60V: Dual‑battery option

X‑Class 60V: Can I install a 72V battery?

Getting to know your X-Class 60V

X‑Class 60V: How do I submit a warranty claim

Electrical System and Battery FAQs

Display and Control Settings

Wheels, Motors, Tires, and Spokes

Brakes, Drivetrain, and Adjustments

Common Error Codes for Your X-Class 60V

Troubleshooting for your X-Class 60V

X-Class 60V

Grizzly: Getting Started

Grizzly V3: User Manual

Grizzly V3: Assembly video

Grizzly (V1 and V2): Assembly video

Grizzly: How to charge the batteries?

Grizzly: What are the dimensions of the Grizzly?

Grizzly: Height fit

Grizzly: What are the dimensions of the Grizzly's handlebars?

Grizzly: Are Grizzly bike handlebars interchangeable with other models?

Grizzly: Can I get the long saddle instead of the short saddle for the Grizzly?

Grizzly: Are the Grizzly 52V tire's puncture resistant?

Grizzly: What size batteries come with the Grizzly?

Getting to know your Grizzly 52V

Grizzly 52V