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ContinuousWave: Small Boat Electrical
Garmin Won't Power Up
|Author||Topic: Garmin Won't Power Up|
posted 11-12-2007 04:26 PM ET (US)
I finally got to reinstalling my Garmin sounder, GPS, and chart plotter unit only to find that it doesn't turn on. I checked and verified that I am getting continuity through the harness. Is there an internal battery which may come into play if the unit is stored for more than a year? I really don't want to replace it just yet!
posted 11-12-2007 06:22 PM ET (US)
Silly question but have your checked the fuse? If the battery in the unit is bad it won't store your settings but the unit should still turn on. Is it possible to take it your local marine store and see if it turns on if you plug it in. I believe they power the displays off the 110 connectors and this would eliminate any fuse issues as well.
Check master fuses as well and breaker switches.
posted 11-12-2007 07:28 PM ET (US)
Make sure the brightness is not turned down all the way. This has happened on my 397.
posted 11-12-2007 07:55 PM ET (US)
A little corrosion on the ON/OFF switch would cause this.
|Casco Bay Outrage||
posted 11-12-2007 08:04 PM ET (US)
I had the same issue with my 172c and it was just as Riverwater said. Somehow I had turned the brightness down to zero. Come to think of it, this occurred on the Piscatisqua River trip that Riverwhaler attended. What a coinkydink.
Off the top of my head: When off, push power once, then again. Push the right arrow to make brighter.
Hope it is that.
posted 11-13-2007 01:46 PM ET (US)
I will try to adjust contrast but I have my doubts. I thought there was an audible alarm when powering up? Anyway I do seem to be getting power through the pin harness.
posted 11-13-2007 08:18 PM ET (US)
George: What model Garmin?
Have you measured VOLTAGE, not just continuity?
posted 11-15-2007 08:47 AM ET (US)
The unit is a 185sounder. Last evening I tried the backlight/contrast button, wiggled the pin connector onto the unit and presto it works. There is a message telling me the data was lost due to the internal battery being low. Is this something that will charge over time if U leave the unit connected for a while?
posted 11-15-2007 09:33 AM ET (US)
I don't think that will fix itself. Wait and see, and when
you keep loosing routes and waypoints, Google up instructions
on how to replace the battery. It's typically a fairly
standard coin cell, but with solder contacts. You may be
able to find one with solder contacts, or a socket with the
same contact layout (Mouser is a good source) that will take
the vanilla coin cell.
posted 11-15-2007 08:16 PM ET (US)
"(Mouser is a good source)"
Low battery will not fix itself and will eventually die.
I ordered a replacement from Mouser for my garmin 180 and it works fine. If i was going to replace it again, I would go with one of the holders that you solder on, that way you just pop out the battery.
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