Rad Power Bikes color display error codes · Rad Power Bikes Color Display

Error 10 on Rad Power Bikes Color Display

What it means + how to fix it From the brand

Quick answer

Error 10 on the Rad Power Bikes color display (Radster, RadWagon 5, RadExpand 5 Plus, RadKick) means “Battery overvoltage error.” Most likely cause: a charger or battery that doesn't match the system, or a battery fault. Try this first: unplug the charger.

Try this first

Free, and each takes under 5 minutes.

Unplug the charger
Check the charger matches the battery
Turn it off and on again

In plain English

The battery is reporting that its total voltage is above the safe range. Bafang's manual sends this to your retailer. Make sure the charger matches the battery, then leave the rest to a shop.

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.

1Unplug the chargerFree If the battery is on charge, unplug the charger and stop charging.
2Check the charger matches the batteryFree Make sure the charger's output voltage matches what's printed on your battery. Stop using a charger that doesn't match.
3Turn 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.
4Have 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 charger
Only if your charger is faulty. Must match your battery's voltage and plug type exactly.
Match your bike's model first. Ask a shop if unsure.
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.