I appreciate the tip GJ, and I had seen a replacement (suggested on a
forum).. actually it includes the harness assy with the sensor board, a cold
sensor and the mating connector for the float switch (for about the same
price not incl shipping).
http://www.appliancefactoryparts.com...deh umidifier

Did you use the replacement part, and has the dehumidifier worked for longer
than one season?

The sensor module in this DH305 unit also has a small thermistor (I think
for ambient temp, because generally, dehumidifiers aren't supposed to be run
when ambient is below about 60F), and a 3-wire lead.

BTW, the Samyoung PDF info states the sensor is resistive.

This appears to be the RH sensor in the DH305 model, with specs very similar
to the Samyoung in the PDF you provided:
http://www.sangshinec.com/eng/hum_ksh02.htm

The actual value of a used dehumidifier is fairly low, probably less than
50% of what a new one could be bought for, so spending $32 to repair a unit
worth about $40 doesn't appeal to me.. particularly since the next fault may
be only weeks away.
This is, after all, just another example of low grade consumer crap.

I didn't want to get into a research project, but that's typical of
repairing anything these days.
Trouble is.. I got curious (again).

I don't need/want repair work, and my friends understand that.
I prefer to spend my time on my stuff of higher quality and greater value.

--
Cheers,
WB
..............


"George Jetson" wrote in message
...
"Wild_Bill" wrote in message
...
A friend asked me to attempt to find a fault in a short-lived dehumidifier
that functioned well for 1 season, but failed to operate after being
unused until needed again.

The sensor for the relative humidity is a thin ceramic square with
interlaced finger patterns deposited on the ceramic (looks like a
VCR/camcorder dew sensor). This sensor is placed inside the front grille
in path of the incoming air flow (but inside a small vented plastic box).
As the humidity rises, the very high resistance decreases.




I recently tried to troubleshoot a Zenith dehumidifier that turned out ot
be a LG underneath. The humidy sensor was made by these guys

http://www.samyoungsnc.com/products/SYH-2R.pdf

and is capacitive in design. The board also has a thermistor with a 2wire
plus common wiring harness and sells for 27USD in Ohio.
--
They can have my command prompt when they pry it from my cold dead
fingers.