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Posted by E Z Peaces on May 8, 2008, 1:47 pm
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Jordan Hazen wrote:
>> My BIL has a windmill that charges batteries to power a Trace 4048
>> sine-wave inverter. He also has a Bosche washer. It worked fine on the
>> inverter for several months.
>>
>> After that, the washer wouldn't come on unless something else was
>> putting a load on the inverter. The washer works fine on grid power.
>>
>> From a thousand miles away, I imagine two possibilities. One is that
>> this inverter was not designed to produce a good sine wave when idling.
>> The other is that a capacitor in the inverter has deteriorated.
>>
>> Any advice?
>
> This model of inverter has a "search mode" (the idling state another
> poster mentioned), where it sends out AC power only in brief pulses,
> in order to detect whether a load is trying to draw any significant
> current (in which case the inverter will switch fully-on).
>
> This doesn't work very well with some appliances, though, especially
> those with electronic controls.
>
> He might try manually forcing the inverter to always-on before running
> the washer. This can be done from the front panel (or remote panel,
> if one is connected), by simply pressing the red "ON/OFF MENU" button
> several times to move from "SRCH" (search) to "ON".
>
> Don't forget to set it back to SRCH after the washing's done, to avoid
> unnecessary battery drain.
Thanks, I'll forward this. I wish I could talk him into subscribing to
this group. He has never tried usenet.
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