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Please, follow the steps below what to check before you send the 2N® IP Intercom device for repair:

Possible issues:

a) device does not boot up after plug in

b) device is not reachable in the network/can not be found in the Network scanner

c) device is not working correctly, audio issues with microphone and/or speaker

 

add a) As a first step check out the LED signalization and the electric installation of the device. This can be found on www.wiki.2n.cz section of installation manual and electric installation for each device. 

 

verify that the power source, either the PoE or External power source 12V DC is working correctly

 

add b) verify the correct Ethernet cabling and also other network components. Try also a different device in the same network

 

add c) verify a possible mechanical damage of the Speaker itself and also the setting of audio parameters in the section Hardware - Audio

 

Before you issue the RMA try also a reset of the device, either from programming Menu or a HW reset: 

Factory reset - How to do factory reset for 2N® IP Intercoms

If you ask for RMA, where is obvious hardware damage, attach photos from the installation side, from the damaged part and another photo which could be important for RMA process.