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W-8681 Outside Temperature Gauge

Posted: Tue 17 Apr 2012 1:28 pm
by Koumi19
Hello,

About two weeks ago the outside temp gauge of our W-8681 gave a false reading far below the actual temperature and has continued to do so. Does anyone have any ideas about this and is there a solution?

This is my first posting on this site. I have operated the W-8681 for 3 years now. I live on the island of Crete, Greece and in the two house removals to get here I have lost my operating/maintenance instuctions for my weather station. I am wondering if the fine dust and wind conditions here may have some effect on the gauge over the years.

Regards,

Berry

Re: W-8681 Outside Temperature Gauge

Posted: Sun 29 Apr 2012 2:09 pm
by Paul-G0HWC
Not able to help with your problem apart from maybe try new batteries.
But here is a link to the manual
http://www.scribd.com/doc/58972345/W8681-User-Guide

Paul

Re: W-8681 Outside Temperature Gauge

Posted: Sun 29 Apr 2012 4:13 pm
by AllyCat
Hi,

Are you sure it is only the external temperature? Is the wind direction reported correctly?

The transmitter uses the same A/D converter for temperature and wind direction. If only temperature is faulty then it might be a solder joint or failed thermistor. The thread Photos of the insides.. #3 shows the (blue) thermistor bead, but AFAIK nobody has identified the part number, and it might be calibated in the firmware.

Cheers, Alan.