crius multiwii se v2.5 + crius i2c nav modul v1.1 + crius neo-6 gps

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What steps will reproduce the problem?
1. crius i2c Nav v 1.1 want communicat

What is the expected output? What do you see instead?

in multiwiiConf i get i2c error's from -thousand to +thousand

What version of the product are you using? On what operating system?

crius Multiwii Se v2.5 +  crius i2c nav v1.1 + crius neo-6 gps 

Please provide any additional information below.
if i connect neo-6 gps alone to ftdi i get in u center8.13 signal and fix
if i connect multiwii and i2c with gps the i2c nav v1.1 board flash solid 
1sec/1sec

tried out nav2.2 beta r62 with newest multiwii 
gps runs with NMEA Protokoll tried with a blox but than i get no signals from 
SAT and no FIX

Original issue reported on code.google.com by x0greg...@gmx.at on 6 Feb 2015 at 1:24

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I have the same proble,  my nav board blink for 3d signal but multiwii doesnt 
read data from nav board.

Original comment by xperiama...@gmail.com on 22 Aug 2015 at 8:13