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  1. #1
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    Default HELP - Black navgation screen [RT6]

    Hello you all

    So my problem is as in the title: Black Navigation Screen. I was driving and suddenly the system restarted...ok, not a big problem, but after it was back running, the navigation screen was black, but the music was singing... Ok, i pulled on the side of the road and restarted the engine...but nothing happen...i left the car 2 hours and after i got back the same thing. The system works (even calls via Bluetooth), music is ok, but the screen is blank...A FULL BLACK SCREEN.

    Anybody any idea?

    Emyway RT6 with 2.86 firmware on a citroen c4.

    Thanks in advance
    Citroen C4 2.0 HDI Exclusive
    RT6 Nav with 2.86 fw

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  3. #2
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    Hello,

    Your GPS is a WIPNav+ or RT6, you have lastest firmware 2.86b.

    You have maybe a big problem, I hope the RT6 is not in serious default ?
    Did you try to press "eject button" for a few seconds, the RT6 restarts (Hard Reset) ?
    You have another reset (Factory Reset), but you need the firmware CD and current maps.
    You can also disconnect the battery of the vehicle for 15 minutes.
    Be sure to remove the USB drive or CD from RT6 before restart it if necessary.
    After that, you can go to see your dealer.
    Last edited by Bricoman; 25th August 2015 at 05:39.

  4. #3
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    thanks for the help. will try to disconnect the the battery. but before i do that, how can i perform a factory reset? is there any combination?

    Did the soft reset and didn't work. when the navigation tried to boot it kind of was stuck in a boot loop without anything on the screen. and the music start playing after...but nothing on the screen.

    Tomorrow i will disconnect the battery in the morning and see if the problem persists.

    will keep you posted. ps i have the original 2.86 fw cd from citroen . And the navigation system was working super ok

    Thanks and hope to give you some good news
    Citroen C4 2.0 HDI Exclusive
    RT6 Nav with 2.86 fw

  5. #4
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    Hello,

    I have never done this work !!!

    It must extract the RT6 of the car, to be careful.
    Unit below, there is a small opening on the housing where there are 2 small switch or 2 solder points.
    I think to know that we must press both switches together or shunt the 2 weld points.
    The WIPNav+ returns to the original factory state, everything is erased from the internal memory.
    It must reinstall the firmware and mapping, you must have the software CD and mapping.

    This manipulation is risky for the RT6, unsecured.
    Last edited by Bricoman; 25th August 2015 at 05:47.

  6. #5
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    Hello to everyone

    Well i went today to a local dealer, put the car on the tester and the navigation wasn't responding. After some time, the guys took out the navigation system, unplugged everything and still no luck. They remapped the navi ecu and the the navigation started working but still with the black screen. Reinstall the 2.86 fw but still no luck. So there can be 3 possibilities:

    1. The video cable has a problem
    2. The screen has a problem
    3. The RT6 needs to be replaced.

    Tomorrow morning i'm going to be in my hometown at my local dealer, and it seems that the guy on electronics is on of the best in Romania. PS: i did a full diagnosis in the car and there aren't any problems. Everything woks 100%, no errors.
    Will keep you guys posted on the problem tomorrow after i go to the local dealer.
    Citroen C4 2.0 HDI Exclusive
    RT6 Nav with 2.86 fw

  7. #6
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    Hello,

    I don't think the RT6 cable is used, plug is maybe unpluged, I leave more on option 2 or 3.
    it's not often that the GPS screen is also used, RT6 more surely.
    I say option 3, we'll see if I'm lucky ?
    The screen is blank or black, it's not same ?
    See post one, you said that.

    If you had a screen and RT6 in addition, it would be easy to know !
    Last edited by Bricoman; 27th August 2015 at 16:03.

  8. #7
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    so i read a lot today and found out some things:

    1. the 2 pins i have to press so i can hard reset the unit (will try tomorrow at the local dealer - want the technical guy to disassemble the radio face)
    2. the unit has a sd car inside of it that has 3 partitions. could try to reinstall it
    3. what is a mira script????
    4. partition no 3 has de gpu scripts on it . could be from there.

    The thing is that the unit was working perfectly without any problems...and boom in 1 second...and it seems kind of creepy. when the problem occurred, the navigation suddenly restarted normal but without screen..and this is why i think it's a software problem.

    hope to be lucky and get it working back again
    Citroen C4 2.0 HDI Exclusive
    RT6 Nav with 2.86 fw

  9. #8
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    Hello,

    You can try to do again another update FW 2.86 completely.
    Also new update maps again, few people saved their equipment like this.

  10. #9
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    Hello,

    The problem is that the system starts very hard...take up to 10 minutes because of the boot loop. Went today at the local dealer but still no luck... i think the only option is to buy a new one because i have the premium denon sound system with sub-woofer in the boot of the car. If i try finding a second hand one, i could have problems again...

    Could try to reinstall the software but only after the system starts...if it wants...but done that yesterday and still no luck... I think it's dead and needs to be replaced, as one of the codes that the diagnosis gave me.

    Will keep you guys up to date on how things work...
    Citroen C4 2.0 HDI Exclusive
    RT6 Nav with 2.86 fw

 

 

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