A todo esto, el error 503 corresponde a :
503 Speed sensor error Check the placement of the spoke magnet (8 to 14 mm distance is optimal, parallel to the line on the sensor). Restart the system if necessary. If the problem persists, contact your Bosch ebike dealer.
entonces a lo mejor el problema no es la alta temperatura por uso y nos tenemos que callar la boca todos... incluido yo
el error 540 se refiere a temperatura:
540 Temperature error The eBike is outside of the permissible temperature range. Switch off the eBike system and allow the drive unit to either cool down or heat up to the permissible temperature. Restart the system. If the problem persists, contact your Bosch eBike dealer.