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TQ HPR50 / HPR60 · Control unit · Error

TQ HPR50 / HPR60 error code ERR 5402

A button on the display or remote was held down while the bike started

What you can check

Don’t hold any buttons while switching the bike on. If a button sticks, clean it gently and 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: Control unit

Trolda for your e-bike

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

Get Trolda

Trolda is in open testing on iPhone and Android. You get the app through our tester page, it takes a minute.