Question about Garmin GPSMAP 178C GPS Receiver

Open Question

Garmin 178C: Blank sonar screen

My Garmin 178C is about 3 years old. Recently, I get no sonar reading with it. Still have water temp but the sonar screen is only a blank background and I get no digital depth reading. GPS mapping and all other functions continue to work fine. Transducer troubles? Thanks in advance for any help.

Posted by on

6 Suggested Answers

SOURCE: GPS wont boot up

Use with caution: This will delete your user data on the unit.

Try a reset:

  • Hold QUIT pressed when turning unit ON (will delete waypoints, routes and tracklogs)
(This worked for me when I had a similar problem.)

You could try a master reset;
  • Hold Zoom-OUT + QUIT + NAV and power ON. Hold keys for 10-12 seconds.
  • You lose all almanac and temperature compensation tables (it reconstructs itself but takes time - several hours)
  • Be patient - it will take HOURS for the unit to recover
Fair warning: I have not personally tried the master reset.

Posted on Dec 16, 2007

marcelbakker
  • 174 Answers

SOURCE: deleted maps on my garmin gps nuvi 255w now what???

Wasn't there a dvd with the product?

Posted on Jul 23, 2008

  • 2920 Answers

SOURCE: garmin nuvi 660 lost map data

take it back to the store you got if from and get a tom tom

Posted on Aug 25, 2008

  • 2 Answers

SOURCE: My Garmin StreetPilot c340 is frozen.

No.......the C340 STREET PILOT has a hidden reset button. Put your fingernail in the slot just under the GARMIN name on the front face plate. Gently pull the face plate outward. Don't take it all the way off. The reset button is on the right side of the front screen just under this plate. Use a pointed object and hold the button IN for 3 seconds and unit will turn off. When you power it back up it will REBOOT.

Posted on Jun 10, 2009

  • 1 Answer

SOURCE: Update for Garmin nuvi 200

I just got a Garmin Nuvi 660 and cannot figure out how to charge the unit. Help!!!!

Posted on Aug 13, 2009

  • 4090 Answers

SOURCE: Is there any free map updates for the garmin nuvi?

Asmany as there are FREE dinners Updates are not free, unless you paid full price for it when you bought it. Free upgrades are a deceptive myth. If you get a free uograde its usually minor and was included in the price of the pack.

Posted on Sep 20, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

Garmin GPSMAP 178C not boot


can we download india map?if tell me how to download and install the map in my device Gm4300?

Nov 20, 2013 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

I have used the Gpsmap 178c for about 3 years now. Recently I have started be unable to find satelites, wass on or off. Once in a while it works. presently I get no satelites I would buy a new antenna...


Based on the problems I have seen with this unit the problem is the reciever circuit not the antenna, so you should consider a new unit, Garmin charges a fortune to repair these.

Sep 22, 2010 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

My Garmin GPSMAP 178C screen backlight failed


Backlight problem: Remove the display, remove the light tube from behind the LCD. Buy a led panel from Ebay for around $5 and install it behind the LCD under the drfusing layers. Run the wires out to a 12 VDC source and there you have it.

Jul 13, 2010 | Garmin GPSMAP 178C Sounder GPS Receiver

1 Answer

Garmin 178c turns off on it's own.


Hi

Sounds very much like the wiring plug connections in the back, always overlooked but so important that connections are tight and contacting.

Jul 06, 2009 | Garmin GPSMAP 178C GPS Receiver

1 Answer

Garmin 178C Boots up then shuts off


I've had a similar situation with a Magellan, it would power off despite being plugged in.

Its usually a battery issue, perhaps its not getting enough power? You could try to unplug it and do a "hard battery reset" depending on the type of battery. Keep turning it on and let it run out, until it wont even turn on anymore, after that plug it into a charger while off and allow it to charge completely. Turn it on, see if it still shuts off.

Good luck!

May 26, 2009 | Garmin GPSMAP 178C GPS Receiver

2 Answers

I have a Garmin 178c map/sounder and it will not load up my BlueChart Data Card. I bought a new card, thinking that would cure my problem, but it didn't. I would love to get your input what steps to take...


I have the same problem. Did you ever figure out why it was not loading? There are no software adjustments to be made. Just plug in the card and wait. It says its reading the card, but never goes any further. Let it 'read the card' for hours with no luck. Help!!!

May 16, 2009 | Garmin GPSMAP 178C GPS Receiver

1 Answer

ETrex Legend screen issue


Due to a new satellite launched this year, the WAAS is affected. Disable the WAAS, go to Garmin and download the latest software version FOR THIS UNIT. Install, enable WAAS and you should be good to go.
Let us know if this solved your problem. Thanks.

Nov 13, 2008 | Garmin eTrex Legend GPS Receiver

1 Answer

Garmin 178C Boots up then shuts off


Check the pins at the connector on the back of your unit. Make sure one of them is not bent or broken off. One of the pins on mine is missing about 1/16" of the tip. My boat repair shop says it's the power lead, but Garmin wants $200 for a generic repair.

Oct 18, 2008 | Garmin GPSMAP 178C GPS Receiver

Not finding what you are looking for?
Garmin GPSMAP 178C GPS Receiver Logo

Related Topics:

150 people viewed this question

Ask a Question

Usually answered in minutes!

Top Garmin GPS Devices Experts

Tom Chichester

Level 3 Expert

24564 Answers

Jonathon summesfield

Level 2 Expert

284 Answers

Bill Gilhooly
Bill Gilhooly

Level 2 Expert

94 Answers

Are you a Garmin GPS Device Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...