Troubleshooting: Online Status
Troubleshooting: Online Status
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For a smooth operation, the HearDis! Music Player needs to be online on a regular basis, so it can receive content updates . If the device is offline, please follow these step-by-step instructions until it comes back online.
1. Make sure the music player is connected to the network cable
1. Make sure the music player is connected to the network cable
The network cable has to be plugged into the network socket of the player
If there is a working connection, the small LED lights on the network port will blink yellow or green
No indication lights mean "dead cable" ➝ not connected to a network
2. Make sure the network cable is correctly connected to the network switch device
2. Make sure the network cable is correctly connected to the network switch device
Consult your IT team to choose the right port number
Check if the connection is working (blinking lights)
3. Check the right port forwarding on the router
3. Check the right port forwarding on the router
Consult your IT team to ensure the music player can connect with our server and that the port has been enabled and configured correctly
These domains need to be whitelisted:
These domains need to be whitelisted:
*.heardis.com
*.balena-cloud.com
These ports must be enabled:
These ports must be enabled:
443 TCP - For remote connection and content updates
123 UDP - For NTP time synchronisation
53 UDP - For DNS name resolution
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