Question about Garmin iQue 3600 GPS Receiver

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Fritzed Unit when antenna up

I bought my iQue 3600 in 2005 and it has worked great until about 6 months ago. Now, even after charging, the unit only stays on for only about 15 seconds when removed from either the Hot Sync or Travel Cradle. Also, in what seem to be a separate problem, whenever I extend the antenna to turn on the GPS, the unit fritzes out and gets stuck in a continuous reset loop where it resets itself every second and only ends when I close the GPS antenna. All other functions appear to work fine.

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Re: Fritzed Unit when antenna up

Why does the backlight on top of my iQue 3600 won’t turn off?

Posted on Apr 08, 2008

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Re: Fritzed Unit when antenna up

I have a similar problem but I can't turn the GPS off at all, even when the antenna is down. As far as the power on/off cycle, I found another link on this site that said to turn off WAAS while the GPS is off then when you turn it on the unit will not power cycle continuously. You loose the WAAS feature but the GPS and unit still works.

Posted on Jan 25, 2008

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Two possibilities - Antenna (in power cable) or electronics related to antenna. First, do a hard reset. Place the pen top into the RESET hole for 3 seconds...
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If NONE appear within 1 minute (and you are outside and NOT under trees), you have an antenna or antenna interface issue.

Garmin WILL repair the unit for 3 to 4 times its value... A 265WT GPS is cheaper, faster and more accurate. The IQUE is no longer worth repairing....

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How long does it try to find the satellites? If it trys for a half hour of more with no results, the antenna may be broken. I have read in other forms that people have added an external antenna and their units would then work, evfen with the built in antenna broken.

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Well unfortunately, sounds like it's replacement time.... same problem I had with mine. Even with an external or little signal. Garmin charges $200 canadian for an exchange unit.
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Apr 28, 2008 | Garmin iQue 3600 GPS Receiver

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When I left it running eventually it came up with a "Fatal Alert" message:
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I don't know what this means or how to correct it. I am in the Caribbean and was also affected. Thanks!


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Try using and external antenna. If that works your internal antenna is kaput.

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I just started having the same problem today too. Go to preferences for gps. I did it by clicking down where the battery symbol is and where the satellite indicator comes up. Then click the quegps in the top left hand corner of the screen. Click preferences and disable WAAS. Seemed to work fine after that. I would like to have WAAS enabled so if you find anything else let me know. Wierd that happened on same day. Let me know

Sep 25, 2007 | Garmin iQue 3600 GPS Receiver

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Unit will not charge, changed battery but still does not work... Help

Sound as though you shorted something on the main board when you installed the new battery. Just sell the unit for parts on Ebay

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