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TQ HPR50 / HPR60 · Range extender · Error

TQ HPR50 / HPR60 error code ERR 501D

The cells in the range extender are too cold

What you can check

Let the range extender warm up to room temperature, for example indoors, then start again.

You can usually fix this yourself

Trolda reads live data from TQ HPR50 / HPR60 bikes. What Trolda shows on your bike

Same part: Range extender

All TQ HPR50 / HPR60 error codes

Sources

Explained in Trolda's own words from the manufacturer's public documentation. Trolda is not affiliated with the manufacturer. If in doubt, ask your dealer.

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Trolda connects to your TQ HPR50 / HPR60 bike and shows what you did, what the motor did, and what it cost the battery.

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