A communication device may comprise a first interface used by executing a wireless communication. The communication device may perform: in a case where a first connection via the first interface is established with the portable terminal under a circumstance where the communication device is in an error state, sending related information to the portable terminal by using the first connection via the first interface, the related information being related to the error state; and in a case where a second connection via the first interface is established with the portable terminal under a circumstance where the communication device is in a non-error state, sending different information to the portable terminal by using the second connection via the first interface, the different information being different from the related information.