Question about Garmin iQue 3600 GPS Receiver

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When GPS is turned on unit locks up

I have a 3 year old unit that still has the original battery. Even though the battery shows a full charge when I flip up the build in GPS antenna or connect an external one the screen flashes on & off 13 times before unit locks up and then has to be reset before usable again.

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  • gbenham Sep 26, 2008

    Didi this happen even when you have a power source other than the battery?

  • Captain Wolf Sep 28, 2008

    I haven't noticed any screen flashing or flickering, but when I flip up the GPS antenna on my 3600, it finds the location and then within a second or two, locks up and requires a soft reset. I loaded R6 about a year or so ago to resolve what I remember to be a similar issue. Anybody have any ideas on where to go from here? Judging from their website, Garmin appears to have misplaced the meaning of Customer Service.

  • NotAZero Dec 07, 2008

    I don't think the software matters with this issue and here is why I think this...I have used battery power and my car adapter. My battery is in very good condition and will run for 30-45 minutes on the battery with the GPS on. The first thing I did was remove the SD card that has all of my maps installed. When I go to the map icon it shows on Long/Lats and no land masses at all. So the map function is working but there is no software maps running. My Ique 3600 will shut down right after it locks on to 3D. My GPS stayed in 2D GPS for about 30 seconds and it ran fine and showed me on the map with the Long/Lats. I have even tried letting the battery completely die so I lose all my addresses and then charge up the battery in hopes of "resetting" the GPS, no luck. My GPS will work fine with the antenna down and not using an external antenna, both where tried with the same results...locks up. I have no additional software loaded on my GPS other than the factory software. Is there anyone out there who owns one of these, had this issue, and fixed it???

  • Anonymous Feb 08, 2009

    I have a 3 year old iQue 3600 that just started freezing up shortly after it locks on to 3D. A soft reset will work but shortly after it locks on to 3D it freezes again. I had loaded Release 6 quite some time ago and decided to load it again this morning. That did not correct the problem. My unit has the original battery which still seems to function properly - however it is being powered by the cradle in my car when it freezes. I have not tried it running on battery only to see if the problem still exists (my guess is that it will still freeze). I also tried decreasing the map resolution but that did not make any difference.



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I had losts of lock ups when flipping on the GPS - almost ready to get rid of the Garmin IQUE 3600 since it hasn't worked well for over a year. Sometimes it works a short time with the GPS; other times it was instant lock up when searching for satellites.

I took many steps to isolate the issue, and then added complexity to the equation: update to r6 (no change), hard reset, no user data on IQ3600 during testing, use only internal drive, only use basemap lite on internal drive, only use 1 local city on internal drive, load other maps on external card. Each time I went outside and flipped on the GPS to see if that was affecting the lock up.

Then I played with the GPS settings. The factor that seems to solve the issue: TURN OFF WAAS - it is intended to improve accuracy to 9 ft but it seems to have a bug.

Ique 3600
Palm OS Release 5.2.1r6
GPS lock up crash bug

Posted on Feb 03, 2009

  • tp108bp Feb 03, 2009

    The setting is Preferences... GPS.. remove check from WAAS Enabled


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To be precise, the setting is Home -> Que -> GPS -> Preferences (under QueGPS) -> WAAS Enabled: remove check from box to disable.

Posted on Oct 31, 2009

  • ChileRellano Oct 31, 2009

    Oh, and one other thing: After unchecking the WAAS Enabled box, turn off your Garmin iQue 3600 and perform a soft reset by pushing the concealed RESET button on the back of the unit with the small reset pin found on the end of the black plastic cap of your iQue stylus after it is unscrewed.


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Replace the battery, had the same problem and replacing the battery stopped the screen flash and constant resetting.

Posted on Sep 25, 2007

I had the same problem and was able to fix it by ugrading to latest ver 6.

Posted on Sep 19, 2007

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