You should update to kodi 16.1 as it's stable and works perfectly.
Also, are your Kodi settings set to expert level?
Then, in Kodi,
You need to then go into system -> settings-> Add-ons -> my add ons -> PVR clients. The last one should be VU+ / Enigma2 client. Open it and configure by putting in your IP address and then come back out and enable it.
Come back out to main settings screen and select TV. The first tab is general. Make sure the first option "Enabled" is enabled and has a blue dot beside it. It's also a good idea to enable "disable connection lost warnings" as it constantly beeps warnings when your zgemma is off or out of range.
Come down on the left tab to guide and reduce the number of days to display to one, and look for update interval and raise this to 1440.
You then should come out to main screen and highlight the power button and shut down Kodi. This will save settings.
The TV option should now be visable on your Kodi and a box will pop-up on the top right showing you it's downloading the channel info.
It's worthwhile adding the channels you watch into the favorites bouquet on your zgemma and configure the VU+ / enigma 2 client to only fetch one bouquet in the channels tab. Otherwise the firestick spends a lot of time downloading every channel which takes a bit of time every time you turn Kodi on.
Hope that helps.
Not bad going typing all that on a Saturday morning with a hangover. Go me!