transducer problem?

[mferris]

i have a older garmin 240 mounted on my trolling motor and i have been getting blank spots on my screen.It will be marking the bottom ok then sometimes it will go blank for an inch or two then the bottom will come back.It's done in 5 ft so it has nothing to do with the range. Anyone know if this sounds like it's time for a new transducer or new fish finder?

[Glenn]

Mine was doing the same thing.  I replaced the transducer - all better now.  8-)

[mferris]

thanks glenn,guess i'll be ordering a new one...