The Zonar OTAir mobile app is designed to walk a driver through the Cummins Connected Software Update process easily. Should you experience some difficulty with the app, refer to the troubleshooting table below.
| Issue | Cause | Solution |
| Can't open the Zonar OTAir mobile app. | Poor internet connectivity |
|
| Vehicle doesn't show in OTAir. | Contact Cummins to verify vehicle is registered. | |
| Camera not working. | Tap MANUAL VIN ENTRY and use keyboard to enter VIN. | |
| App not reading QR code. |
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| The QR code label is missing. | Tap MANUAL VIN ENTRY and use keyboard to enter VIN. | |
| I started the update but need to cancel it. | Once the Zonar OTAir update has begun it cannot be canceled. | The update process generally takes no more than 15 minutes. Contact fleet admin or manager for assistance. |
| The app says that "Service is required" and "vehicle inoperable." Can I start my engine? |
The firmware must be in place for the engine to function properly. |
Do not attempt to start the engine. Contact fleet admin or manager to arrange for a service call. |