Yamaha PW · System · No number code (display signs)
Yamaha PW error code Er / ER
A fault in the e-bike system; the display shows “Er” or “ER” and a short description
What you can check
If a number is shown too, look that up. Otherwise switch the bike off and on, and see your dealer if the message stays.
Dealer if the fault comes back
Trolda cannot read Yamaha PW motors yet. The code list is here to help you anyway.
Same part: System
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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