Velotric error code list · Velotric

EA4 Error on Velotric

What it means + how to fix it From the brand

Quick answer

EA4 on the Velotric (Discover, Nomad, Summit, Fold, Breeze, Triker, T1, GoMad, Tempo) means “Cell High Temperature Discharge Protection.” Most likely cause: hot weather, hard riding, or charging right after a ride. Try this first: let the battery cool somewhere safe.

Try this first

Free, and each takes under 5 minutes.

Let the battery cool somewhere safe
Turn it off and on again

In plain English

The battery is too hot to use safely. Hot sun, hard riding and charging straight after a ride are common causes. Let it cool before riding or charging.

Step-by-step checklist

Work from the top. Steps go from free and easy to shop jobs. Switch the bike off before touching any connector. Tick each step as you go. Your progress is saved on this device.

1Let the battery cool somewhere safeFree Move the bike out of the sun and let the battery cool on a hard, non-flammable surface away from anything that can burn. Don't charge it while it's hot.
2Turn it off and on againFree Switch the display off, wait 30 seconds, then switch it back on. If the code clears, note what you were doing when it appeared, in case it comes back.
3Have the battery testedShop job A shop can test the battery and its protection circuit and tell you if it needs replacing. Never open the battery pack yourself.

Parts you might need

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Only buy a part if the free steps didn't fix it. Always match the voltage and connector type to your bike.

Replacement e-bike battery
Only if a shop confirms your battery is worn out or faulty. Must match voltage, mount and connector.
Match your bike's model first. Ask a shop if unsure.

Still not fixed?

Pages to try next:

When it's time for a shop: if you've worked through every step and the problem is still there, take the bike to an e-bike shop. Bring your notes on when it happens, plus the code.