I”ve got a old VFX and all LED’s of many different brands.  I don’t have any 
flicker regardless of what’s on:
HE washer, refrigerator, blender etc.  
Except with the dimmer, which can do it if it’s on a lower setting.

I only use CREE LED with dimmers as they are dimmer agnostic.  

If its happening with high quality LEDs ( Cree, Phillips) and without dimmers 
then I’d look to the inverter as the issue.

jay



> On Sep 21, 2019, at 2:59 PM, Bradley Bassett <bbasse...@gmail.com> wrote:
> 
> I've noticed this is worse with multiple bulbs in one fixture, and it is even 
> slightly noticeable on grid power, but worse on inverter power. I first saw 
> this with CFL's also, but not as bad as with the LED's. And this is without 
> any motor loads going. It's not consistent either, sometimes it does it and 
> sometimes not. Fortunately, when it's annoying we have the option of going 
> onto grid power. If we were on inverter power all the time I'd be looking for 
> some way to fix it also. It does not seem to matter what inverter it is 
> either, I've tried four different brands and they all seem about the same.
> 
> Brad
> 
> On Sat, Sep 21, 2019 at 1:06 PM Ray <r...@solarray.com 
> <mailto:r...@solarray.com>> wrote:
> No error codes, just light flickering with the washing action.  Its a Magnum 
> MS 4448 PAE, 48 v 845 AH of HUP batteries, 2/0 cables.  Happens day or night. 
>  Also the lights are not on a dimmer, just a regular switch.  It happens to 
> the LEDs all over the house.  They are the Econolight brand from Home Depot.  
> Feit brand have less flicker, but are still not acceptable.
> 
> We're thinking the distortion of the waveform by the washer is creating 
> harmonic distortion that the LEDs are responding to.  Still hoping filtering 
> or different bulbs will fix the issue.  
> 
> Ray Walters
> Remote Solar
> 303 505-8760
> On 9/21/19 1:24 PM, Jerry Shafer wrote:
>> Ray
>> A few questions, do you see a code, what size is the inverter, batteries, 
>> cables, day or night operation.
>> Jerry
>> 
>> On Sat, Sep 21, 2019, 11:45 AM Ray <r...@solarray.com 
>> <mailto:r...@solarray.com>> wrote:
>> Greetings Esteemed Wrenches;
>> 
>> We have a customer with a new high efficiency washer running on a Magnum 
>> inverter.  When it is in wash cycle, the LED lights flicker rhythmically 
>> with its operation.  We can see a corresponding distortion of the wave 
>> form on an oscilloscope, but RMS voltage is steady at 117 vac.  It does 
>> not cause trouble with incandescent lighting, and the washer works fine.
>> 
>> My questions:
>> 
>> 1) Has anyone else seen washing machines causing trouble with lighting 
>> or other loads?
>> 
>> 2) Is there any line filtering available that might cure this?
>> 
>> 3)  Are some LED lights more prone to issues?    We are considering 
>> having the customer switch from the Home Depot cheapo LEDs to Phillips 
>> or other higher end bulbs.
>> 
>> 4) Could it be related to the bulbs being dimmable?  Should we be using 
>> non-dimmable bulbs?
>> 
>> As always thanks in advance for your invaluable input and comments.
>> 
>> 
>> -- 
>> Ray Walters
>> Remote Solar
>> 303 505-8760
>> 
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