Frigidare Washer [RE-wrenches]

[info at backwoodssolar.com]

It could be like the old apple computers, the waveform is rejected by a
start-up test or accepted.  Sometimes state of charge of batteries makes the
difference. In any case I don't feel we can assume dire things are to come
of it.  She may have a perfectly good work-around that she accepts.

On the other hand I ran a Sharp brand photocopy machine in my office for 9
months, thousands of copies on a U series Trace. One day later the triac
stuck full on and the heat roller and associated components melted down.
thinking this perhaps an odd occurrence, after all those months without
incident, I took most of a day replacing the parts.  A week later it
repeated and I learned to use true sinewave only with that copier.

I have seen numerous instances where Maytag Neptune would not work on Trace
DR modified wave, but Low Keep Refrigeration, in the booth next to me at
Wisconsin fair last year, has his own Neptune that is working fine ( as of
last summer anyhow) on the DR inverter.
Steve Willey
Backwoods Solar Electric Systems www.backwoodssolar.com

----- Original Message -----
From: Gary Higbee, Solutions from the Land <ghigbee at efn.org>
To: <RE-wrenches at topica.com>
Sent: Wednesday, May 23, 2001 2:14 PM
Subject: RE: Frigidare Washer [RE-wrenches]>
> Wrenches,
>
> So interesting to read about the Frigidare Gallery washer (failure to run
on
> "mod-sine") in light of the fact that I just returned from a client system
> review (she installed it) and hydro service, and she runs her Frigidare
off
> her DR2424 inverter. Here's the interesting part:
>
> She tells me that at first the washer didn't work, but then she went off
to
> run the vacuum and when she turned on the vacuum the washer started and
ran
> through a cycle. She's since found that the washer "on" switch is to turn
on
> the washer and then give an electric hair dryer a short blast. The washer
> runs through a cycle.
>
> Do you think that turning on these big loads "softens" the square-wave
> enough to get the washer electronics to accept the input? If so I wonder
why
> the washer then continues to run. Must be some sensitive startup circuit?
>
> Theories aside, based on what you've said it sounds like this is a bad
> practice, and will likely result in significantly shorter washer life. But
> she's been running the washer this way for a year or so, and it may be
> difficult to convince her of any danger here when she's had a system in
> place for some time with no apparent problem (YET).
>


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