TQ HPR50 / HPR60 · Control unit · Warning
TQ HPR50 / HPR60 error code WRN 5404
Walk assist was started the wrong way
What you can check
Hold the up button until “Walk” appears, release it, then press again to use walk assist.
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
Sources
- TQ HPR50 – Error codes (Rev0201) (2023-12)
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.
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 TroldaTrolda is in open testing on iPhone and Android. You get the app through our tester page, it takes a minute.