# Troubleshooting

This section covers common situations you may encounter such as replacing a broken cassette, resolving an offline router, or reconnecting offline rooms. Follow the steps provided to keep your Valpas certification active and your guest room technology running smoothly.

{% content-ref url="/spaces/aSZ6P9dYxKMjtdeuDbJD/pages/RXSc6vFGnaYmMGroSIS8" %}
[Replacing broken cassette](/installation_router_smart_legs/troubleshooting/replacing-broken-cassette.md)
{% endcontent-ref %}

{% content-ref url="/pages/Yr9xKbleAlg8l9fucrPe" %}
[Router offline](/installation_router_smart_legs/troubleshooting/router-offline.md)
{% endcontent-ref %}

{% content-ref url="/pages/5uNSyOBOY7rHBCfUSGy4" %}
[Room Offline](/installation_router_smart_legs/troubleshooting/room-offline.md)
{% endcontent-ref %}


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