8 CUSTOMER MANUAL FRONT HUB MOTOR SYSTEM4 ELECTRONIC COMPONENTSIn order to prevent a malfunction, the followinginstructions should be observed:• Operating Temperature: -15 – 60 °C• Storage Temperature: -20 – 35 °C• Storage Humidity: 30 % – 70 %4.1 Important InstructionsThe electrical system of your Pedelec is verypowerful. If you notice any damage to theelectrical system, remove the batteryimmediately. After a fall or accident, livecomponents may be exposed. If you have aquestion or problem, please contact your dealer.A lack of expertise can lead to serious accidents.Before performing any work on yourPedelec, disconnect the electrical systemand remove the battery.do not clean the Pedelec with a steam jet,high-pressure cleaner or water hose. Water mayseep into the electrics or drive and destroy theequipment.The operating temperature should be between-15°C and +60 °C. The recommended storagetemperature is between -20 °C and +35 °COnly perform operations described in thismanual. do not interfere with or modify thesystem. No modules may be disassembled oropened. If in doubt, always contact a specialistdealer.Replace parts that are defective or worn, suchas the battery, charger, cable, with original spareparts produced by the manufacturer or partsrecommended by the manufacturer. Otherwise,the warranty and/or manufacturer's warranty willbe voided. If non-original or incorrect spare partsare used, the pedelec may not function correctly.In the event of a defect, contact an authorizeddealer who carries out repairs with original spareparts only.Improper operation of the drive system andchanges made to the battery, charger or drivemay result in injury or costly damage. In thiscase, the manufacturer declines any liability forthe damage incurred. Changes to the electricalsystem may result in criminal prosecution. Thismay be the case if the maximum supportedspeed is modified.4.2 Display – HMI DP E08.UART4.2.1 Functional Overview• The four-key keypad enables users to oper-ate the display with ease.• Intelligent battery level indication: thanks toan optimization algorithm, a stable displayof the battery level is ensured, and the prob-lem of fluctuating battery level indicationscommon to most displays is avoided.