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Troubleshooting tools

Diagnose your eBike

Tell us what your bike is doing — an error code, a symptom, or just “it won't charge” — and get the likely causes, what to check first, and a clear line for when to stop and see a pro.

Free — no account Built on hands-on repair guides Tells you when to stop

Step 1 · Safety check

Rule out battery danger first

Take a look at your battery and charger right now. Check anything you can see, feel, or smell.

Battery red flags

Battery safety red flags

If you checked anything above, stop using the bike — the safety steps below tell you what to do next.

Step 2 · Guided fixes

Step-by-step fixes

Pick the problem that matches yours, answer a few quick questions, and end up with a clear next step.

Pick a topic above to start.

Step 3 · AI assistant

Ask the assistant

Beta

No error code on screen, or the guided fixes above didn't cover it? Describe what's happening and get the likely causes, what to try first, and when to stop.

Diagnosis request
Symptoms

0/500

The assistant has a daily limit to keep it free for everyone. If it's reached, the guided fixes above always work.

The assistant is a reading tool, not a mechanic. Never open, puncture, or disassemble a battery pack, and never bypass a BMS — see the safety page.