| Symptom | Perception | Repair process | Note |
| Display is blinking | 2 bars are running up and down the display | Please start the calibration. If you are unsure how the calibration works, please see below | |
| Calibration does not start | When the calibration is started nothing happens | Make sure you follow the correct procedure | Please follow these links: 3 button, Grip shifter, Integrated for video instruction. |
| The controller button seems to not work | Contact the enviolo service center for further diagnostics | ||
| The calibration starts, but the Internal Gear Hub does not shift | Please make sure the interface is properly placed on the axle and the hub encoder mounted properly on the hub flange. | ||
| The Internal Gear Hub seems to be stuck | See Internal Gear Hub errors | ||
| The system does not shift between modes | The controller button might be defect, please contact the enviolo service center for further diagnostics | ||
| Water in display | There is some condensed water in the display | Moisture is possible in extreme weather conditions and big temperature changes during wintertime. Please however also ensure there are no cracks in the display. If the damp persists after a warmer period please contact the enviolo service center | |
| Display is not fully lit | Display is black or only partially lit | Test with known working interface. If this solves the problem please replace the interface otherwise please replace the controller | |
| Failure during firmware update | Message: “Unable to find device” on latest generation interface | Update to latest FW 4.0.5 with eBike system connected and turned on | |
| Message: “Unable to find device” or “Firmware failed to load” | Check all hardware components incl. cable and reinstall the desktop software. Remove old desktop version before installation | ||
| Bad USB connection | Connect the USB directly to a computer without using an USB multi plug or extension | ||
| Shift delay | Under high loads/torques the IGH cannot shift | The shift motor power is limited and won’t shift under very high torques/loads | |
| Undesired cadence changes while riding | Without any input the cadence control seems to change | On 1.generation systems please ensure the sprocket and interface and encoder are clean to prevent interferences | |
| On all systems ensure the firmware settings are correct. Use enviolo desktop software for set up | |||
| Systems frequently asks for calibration | Contact the enviolo service center for further diagnostics | ||
| Undesired cadence changes while riding | Without any input the cadence control seems to change | Perform the sensor functionality check | Please follow this link for video instruction |
| Are the input and output speed sensors correctly installed | Please follow this link for instruction | ||
| Interface rotates around the axle | The interface seems to move | Please check the spline nut and tighten it if necessary | Please follow this link for instruction |
| Rattling noises | There is sound coming from the interface | Contact the enviolo service center for further diagnostics |