E-Bike Diagnostics and Repair

Ampere Engineering helps get e-bikes back on the road when the electronics stop cooperating. If your e-bike will not power on, will not charge, cuts out, throws errors, or loses power under load, we troubleshoot the real cause and repair what is repairable with clean, reliable workmanship.

We focus on the electrical and electronics side of e-bike problems.

Common issues we fix

• Will not power on or shuts off randomly
• Will not charge or charger shows fault
• Battery connection problems and power cutouts
• Intermittent throttle or pedal assist issues
• Motor cutouts under load or at certain speeds
• Display and control errors and wiring faults
• Brake cutoff sensor problems causing no assist
• Water intrusion and corrosion in connectors and modules
• Accessory installs like lights, USB power, trackers, and switch solutions

Diagnostics and fault isolation

• Electrical troubleshooting to identify the failure point
• Power path checks from battery to controller to motor
• Connector and harness inspection for hidden breaks and intermittent faults

Wiring and connector repair

• Damaged harness repair and connector replacement
• Clean routing and strain relief improvements
• Weather resistant finishing for long term reliability

Controller, display, and electronics repair

• Controller evaluation and replacement support
• Display and control unit troubleshooting
• Sensor validation including brake cutoffs, throttle, speed, and PAS

Charging and power system support

• Charger checks and power input troubleshooting
• Battery interface checks and connection remediation
• System level checks for voltage drop and intermittent power loss

Upgrades and installs

• Accessory power integration, lighting, and clean add on wiring
• Mounts and enclosures as needed using custom 3D printing

To avoid guessing, bring the setup you actually ride with.

• The e-bike
• The charger
• Any keys, displays, or accessories used during the issue
• A short description of what happens and when it started

1. Intake
   You tell us the symptoms and what changed before the failure.
2. Diagnostics
   We test and isolate the fault and confirm what is repairable.
3. Quote and approval
   You get a clear recommendation and price before repair begins.
4. Repair and verification
   We complete the repair and verify operation where practical.