Not sure but it sounds like the same problem as posted here and the solution worked.
http://www.fixya.com/support/t207474-garmin_3600_gps_issue
Its a bug in Garmin send them an email they will give you the fix
A "non-volatile reset" on my unit fixed the problem. This is harder than the normal soft reset, where you just stick a paperclip in the little reset hole on the back. Quoting from another website:
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Non Volatile Reset - This reset clears out all the GPS data and
restores all GPS settings to factory defaults. Particularly useful for
our European users where the Egnos sats can sometimes send out test
data the iQue doesn't like.
To perform, press and hold the ESC button and the datebook button while
pressing the reset button. Hold the ESC and datebook buttons for at
least 10 seconds and release.
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In other words, hold down the ESC button (on the left side next to the jog-wheel), hold down the datebook button (leftmost of the four little buttons on the front) and then use your paperclip to push the reset button in the little hole in the back. Then keep holding the first two buttons down for ten seconds.
You need three hands to do this, but it worked for me.
For other resets, see
http://www.pdastreet.com/forums/showthre...
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I had this problem and did several resets both soft and hard. I also charged the battery completely. The gps unit would work in sim mode but when the antenna was opened it would not. Eventually after several charging cycles and resets, I was able to get it to settle down. I had to sync and reload all data. Good :Luck
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Everything works fine until I pull up the antenna falp on the abck of my IQUE3600 and then it goes crazy and cycles throuhg the palm page, garmin page, start up screen etc. The organizer settles down as soon as I closed the antenna.
Exactly the same problem . Several resets , but no resolution yet . It occured after the receiver was quite warmed up- hot standing under the car window.
I started having the exact same problem this past weekend. About 30 minutes into my trip and it was hot that day....
The unit works fine until I pull open the antenna and it just recycles on and off. I notice that Garmin doesn't provide any technical support or repair because the unit is discontinued. #@^*&^
Same exact problem, starting around early July. I thought it was a battery problem, and I've replaced the battery with a brand new one. No joy. Now I think it's a software problem in the GPS module/software. I don't know what the problem is, or how to fix it. One guy on this forum said that after several hard resets he was able to get it to work. I guess I'll keep trying.
Several times I was able to get it to go right up to the point of doing a GPS position fix before it crashed. It repeatably crashed just as it should have been doing a position fix. That's why I think it's a software bug. Other times it crashes as soon as I open the GPS antenna flap.
I know that several months ago the Air Force launched GPS satellite number 32 (PRN32), which (for technical reasons related to binary arithmetic) caused problems for many GPS receivers. I wonder whether this is one of them.
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