Question about Lowrance LMS-332C GPS Receiver

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LMS-332C won"t power up. Have 12 volts to unit. Is there a fuse inside the unit.

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 30 Answers

SOURCE: Hi,when i switch on my lms-332c the map does not

I am guessing that the card you are using is a NAVIONICS chart? There have been some Lowrance units that were made around the same time that have had problems recognizing a Navionics chart right from power up.

Make sure the LMS-332 has the latest firmware version which can be downloaded from http://www.lowrance.com/en/Products/Marine/Full-Size-SonarGPS-Chartplotter-Combos/LMS-332C/Downloads/LMS-332C-Software-Update/

If the update doesn't help, this is going to be a compatibility problem with the LMS-332 and that particular card. You will need to replace the card or upgrade to a newer unit...but probably can just get used to removing and replacing the card when you turn the unit on.

Posted on Jul 11, 2009

jjanssen7
  • 6 Answers

SOURCE: LMS 332c Power cycles on own

i've repaird this by installing a secondary powerswitch and disconnecting the power switch on the keypad. It's an involved repair but it can be done.


Posted on May 28, 2010

jjanssen7
  • 6 Answers

SOURCE: my lms 332c comes on by itself and flashes.now i

Power switch is stuck on. It is a tricky repair, but disable the swtich internally and install one externally

Posted on May 28, 2010

  • 1116 Answers

SOURCE: lms-332c lowrance fishfinder unit turns

The following are the primary reasons your unit could be experiencing the symptoms you describe. I suggest you check and eliminate each in the order I have listed them. The update should be installed regardless of condition as it is a major update and provides additional functionality to your unit. Please let me know should you require any additional assistance.

Update the Software: Make sure your unit has the latest software version. You can download the update for free at the link below:

http://www.lowrance.com/en/Products/Marine/Full-Size-SonarGPS-Chartplotter-Combos/LMS-332C/Downloads/LMS-332C-Software-Update/

Inspect the Connections: Make sure the power cable connector is seated securely in the connector on the unit. Make sure that the cable connections to the power source are not loose or disconnected.



Clean the Connections: Corrosion or oxidation could occur on the power cable connector pins and fuse-holder. This can prevent sufficient power from flowing to the unit. Clean the connections to be sure. Sometimes the substance is clear and not easily seen.

Backlight Flickering: Make sure your electrical connections are clean and that your power source has a stable ground connection. Try resetting the unit

Posted on Sep 23, 2011

gopakumarg43
  • 73619 Answers

SOURCE: lms-332c lowrance fishfinder unit turns on as soon

Hello
I don't know whether you have made a factory reset to this device or not. If not, set it first and see whether it helps you. To make it factory settings:
[1] Press 'MENU""MENU" (down arrow to system setup) "ENT" (down arrow to RESET options/ ENT
[2] The unit asks if you want to reset all the options. Press [<---] to YES and then ENT. All options are reset, and the unit reverts back to map page at 4000 miles zoom range. Any recorded sonar logs of GPS data will be unchanged. OK.

Posted on Nov 03, 2011

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1 Answer

Our unit will not power up


Hi urcvrdha,

You have an elaborate unit! I like these. Your problem sounds more electrical than software related. Try taking all power off the unit for about 30 minutes, then powering up again. Of course, check your fuses. If you get the unit back up to the main menu, and things are not working properly, go to the various "reset" options in your manual for that mode of operation.

If it does not succeed in getting power, I recommend contacting your local Marine/Lorrance dealer for service.

If you don't have your manual handy, download one here:
http://www.lowrance.com/upload/Lowrance/Documents/Manuals/LMS-337CDF_0156-071_121704.pdf

I hope this adds a little information to your problem search. Thanks.

Regards, Bill

Sep 16, 2010 | Lowrance LMS-332C GPS Receiver

1 Answer

My Transducer had broke and the sonar went out, then the transducer fell completely off and the unit itself will not power up. I checked the power ot the unit and i have 12 volts going to the unit. It...


All Lowrance systems have an in-line 3 Amp fuze. My guess is that when it broke and fell off the fuze shorted out. Look back the power sypply to the unit and you will find the in-line fuze. Replsacit with a new 3 Amp fuze and you should be up and running.

Aug 30, 2010 | Lowrance LMS-332C GPS Receiver

2 Answers

332 powering problems


Power switch is stuck on. I had the same problem. the only repair was to disable the powerswitch internally and install one on the side (waterproof).

May 24, 2010 | Lowrance LMS-332C GPS Receiver

2 Answers

My lms 332c comes on by itself and flashes.now i


Power switch is stuck on. It is a tricky repair, but disable the swtich internally and install one externally

May 17, 2010 | Lowrance LMS-332C GPS Receiver

2 Answers

Units flashes when turned on --won't stop


5_5_2012_6_29_36_pm.jpg
Here's my LMS 332c circuit board. I'm showing where the power source is on the lower right, and where I believe the first two ribbon cables that lead to the power switch on the front panel (upper left). Can anyone tell me how to disable the internal power switch and where? I want to install external switch and bypass the internal. I can solder and not afraid to try since this unit is out of warranty and is not functional as is with powering on/off and screen flashing randomly. Thanks!

Apr 08, 2010 | Lowrance LMS-332C GPS Receiver

1 Answer

Hi,when i switch on my lms-332c the map does not come up on the screen.If I remove and replace the map card it works perfectly. Can I fix this? regards nigel


I am guessing that the card you are using is a NAVIONICS chart? There have been some Lowrance units that were made around the same time that have had problems recognizing a Navionics chart right from power up.

Make sure the LMS-332 has the latest firmware version which can be downloaded from http://www.lowrance.com/en/Products/Marine/Full-Size-SonarGPS-Chartplotter-Combos/LMS-332C/Downloads/LMS-332C-Software-Update/

If the update doesn't help, this is going to be a compatibility problem with the LMS-332 and that particular card. You will need to replace the card or upgrade to a newer unit...but probably can just get used to removing and replacing the card when you turn the unit on.

Jul 08, 2009 | Lowrance LMS 332c Mapping Sonar/GPS...

1 Answer

I have a lowrance LMS 332C GPS. After 5 years I


The LGC-2000 is bad would be the most likely cause, but if this started right after you changed the cables, Try connecting the NMEA 2000 network to a different power source than the main power. If you still have the original cables, and you didn't have the problem before, try using those again to make sure there isn't anything wrong with any of the new cables.

But most likely, the LGC-2000 is toast and you will want to contact Lowrance support to see about getting it repaired/replaced.

Jul 04, 2009 | Lowrance LMS-332C GPS Receiver

1 Answer

I need CD, or DVD to learn how to use my Lowrance it is modle LMA-332C & LMS-337C DF.


Here you can buy the DVD for $13:
Bennett Training DVD For Lowrance LMS-332C
Here is the user manual:
LMS-332C and LMS-337C DF Owners Manual
Do not forget to rate the solution appropriately.

Many thanks.

Aug 31, 2008 | Office Equipment & Supplies

1 Answer

I have a lowrance lms332c and the unit powered off , was able to restart.shortly after powered off again and now has nothing.checked fuse and fuse is ok.


try to hold in the page button and power button at the same time to reboot your unit, But you may or may not lose waypoints,

Jul 11, 2008 | Lowrance LMS 332c Mapping Sonar/GPS...

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