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Old 05 March 2007, 07:38   #1
Country: UK - England
Town: Macclesfield
Boat name: Aqua Fresh
Make: Zodiac Medline
Length: 5m +
Engine: 60hp Yamaha
MMSI: 235051988
Join Date: Feb 2006
Posts: 333
New instruments steaming up !


Just had fitted a load of Navman 4430 fish 5380i chart plotter and VHF 7100 dsc

and the 4430 and 5380i both have condensation issues both were wet time before last this time out they were both suffering from steamy windows syndrome last time out they were dried of with a cloth and then there covers put on

then boat was covered for a week and then taken out

Any ideas or is this normal ?


Stripes, we like stripes just need some stars now !
floater is offline   Reply With Quote
Old 05 March 2007, 16:07   #2
Country: UK - Scotland
Make: Ribcraft
Length: 5m +
Engine: 90hp
Join Date: Aug 2006
Posts: 380
Are these flush mounted in a console? I'm having similar problems, see

I came to the conclusion that a cover would make it humid - like being in a greenhouse and may actually make it worse than if not covered for the instruments. If the cover is all-over tight fitting, there will be little room for air to get in out and any evaporation will result in a humid atmosphere under the cover.

In my case, I think the only thing I can really do is hermetically seal the back of the instruments in a box and put in some silica gell....

Good luck.

al40 is offline   Reply With Quote
Old 05 March 2007, 16:25   #3
Country: USA
Town: Seattle
Make: Ballistic
Length: 6m +
Engine: twin 90HP TLDI
Join Date: Mar 2006
Posts: 177
You could always try a de-humidifier inside the console. It works well for keeping my trim and tachs from fogging up.
Donnie144 is offline   Reply With Quote
Old 05 March 2007, 17:21   #4
Country: UK - Wales
Town: swansea
Boat name: Too Blue
Length: 8m +
Engine: Suzuki DT225
Join Date: Mar 2004
Posts: 12,791
Unfortunately my Navman fuel 3100 has died a death - display started going funny and it kept fogging up but would clear after a while - now it's totally gone. Nice man at Navman said they would change it but haven't had the time or weather to get it out of the dash yet!!!
codprawn is offline   Reply With Quote
Old 06 March 2007, 16:10   #5
Country: UK - England
Town: Cowes
Boat name: Niam-ho
Make: Ribcraft
Length: 7m +
Engine: Suzuki DF250
MMSI: 235040417
Join Date: Aug 2006
Posts: 150
I've had problems with my Raymarine C70. Apparently, Raymarine recently suggested (to someone with a similar problem) that they put the unit in the airing cupboard to dry out
Girls like RIBs too!
NautiAndNice is offline   Reply With Quote

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