Digest for sci.electronics.repair@googlegroups.com - 25 updates in 3 topics

Mark C. Miller <MarkCMiller@rhyta.com.invalid>: Oct 29 12:07PM


>> > Clever trick.
>> Boo
> I bet you're into leather and ball gags. Aren't you lil maiden?
 
Boo from Mark C. Miller
Daniel B. Widner <DanielBWidner@jourrapide.com.invalid>: Oct 29 01:07PM


>> > Clever trick.
>> Boo
> I bet you're into leather and ball gags. Aren't you lil maiden?
 
Boo from Daniel B. Widner
John-Del <ohger1s@gmail.com>: Oct 29 06:27AM -0700

On Thursday, October 29, 2020 at 9:07:33 AM UTC-4, Daniel B. Widner wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
 
> Boo from Daniel B. Widner
 
 
Boo from John Del
 
Oh, whoever took the "over" of 10 days for making this troll dance on command is a winner. Collect your prize at the next Kutztown PA radio show.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:36AM -0700

On Wednesday, October 28, 2020 at 10:07:07 PM UTC-5, Gayle F. Trevino wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Gayle F. Trevino
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:36AM -0700

On Wednesday, October 28, 2020 at 11:07:09 PM UTC-5, Christopher S. Murphy wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Christopher S. Murphy
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:36AM -0700

On Thursday, October 29, 2020 at 12:07:11 AM UTC-5, George J. Floyd wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from George J. Floyd
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:36AM -0700

On Thursday, October 29, 2020 at 1:07:17 AM UTC-5, Roy J. Brown wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Roy J. Brown
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:36AM -0700

On Thursday, October 29, 2020 at 2:07:19 AM UTC-5, John V. Patten wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from John V. Patten
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:37AM -0700

On Thursday, October 29, 2020 at 4:07:24 AM UTC-5, Olga L. Cline wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Olga L. Cline
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:37AM -0700

On Thursday, October 29, 2020 at 5:07:25 AM UTC-5, Ann M. Blau wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Ann M. Blau
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:37AM -0700

On Thursday, October 29, 2020 at 6:07:28 AM UTC-5, Brian A. Covington wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Brian A. Covington
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:41AM -0700

On Thursday, October 29, 2020 at 7:07:31 AM UTC-5, Mark C. Miller wrote:
> >> Boo
> > I bet you're into leather and ball gags. Aren't you lil maiden?
> Boo from Mark C. Miller
 
Hey hey! Welcome to the party. So it appears that these aging trolls have a little gang. Where were you when they were being unhelpful and and just being lil bullies? Shame on you.
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 06:50AM -0700

On Sunday, October 18, 2020 at 8:50:21 PM UTC-5, Edward Hernandez wrote:
>Thanks
 
Thanks to everyone who commented with great suggestions to my battery charger problem. Thanks to Pete W, Jeffy, the feather, and his entire gang of misfits for making this experience so wonderful! I'm glad to know that when trolls decide to be the first to respond that others will step in to defend.... the trolls.
 
You are fantastic and moral individuals,
 
XOXO
Fox's Mercantile <jdangus@att.net>: Oct 29 09:07AM -0500

On 10/29/20 8:41 AM, Edward Hernandez wrote:
> Welcome to the party.
 
Hey fuckwit, it appears you're outnumbered
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
Lance T. Gibson <LanceTGibson@jourrapide.com.invalid>: Oct 29 02:07PM


>> > Clever trick.
>> Boo
> I bet you're into leather and ball gags. Aren't you lil maiden?
 
Boo from Lance T. Gibson
Fox's Mercantile <jdangus@att.net>: Oct 29 09:08AM -0500

On 10/29/20 8:50 AM, Edward Hernandez wrote:
> Thanks to everyone who commented with great suggestions
> to my battery charger problem.
 
We tried to tell you from the beginning that there is no
service information available, but all you did was throw
a tantrum.
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 07:25AM -0700

On Thursday, October 29, 2020 at 9:08:56 AM UTC-5, Fox's Mercantile wrote:
> Jeff-1.0
> WA6FWi
> http:foxsmercantile.com
 
Let's see what the troll wrote...
"Fox's Mercantile Oct 19, 2020, 6:17:47 AM (10 days ago) to
I buy stuff from Harbor Freight,and when it works, it works well, but I certainly don't waste my time trying to fix it
when it dies."
 
Oh I must have missed it! Somewhere in there is the useful info you provided! YAY!
 
Here is your idiot twins response lol...
"Peter W. Oct 19, 2020, 6:10:19 AM (10 days ago) to Your problem started with "Harbor Freight". Purchase a charger from a legitimate source made by a legitimate manufacturer, rated for the intended purpose and you will be fine."
 
This is just girl trolls at their best.
Irene J. Hall <IreneJHall@jourrapide.com.invalid>: Oct 29 02:57PM

> others will step in to defend.... the trolls.
 
> You are fantastic and moral individuals,
 
> XOXO
 
Boo from Irene J. Hall
Nicole A. Bess <NicoleABess@dayrep.com.invalid>: Oct 29 02:57PM

> others will step in to defend.... the trolls.
 
> You are fantastic and moral individuals,
 
> XOXO
 
Boo from Nicole A. Bess
Edward Hernandez <dtgamer99@gmail.com>: Oct 29 08:07AM -0700

On Thursday, October 29, 2020 at 9:08:56 AM UTC-5, Fox's Mercantile wrote:
> Jeff-1.0
> WA6FWi
> http:foxsmercantile.com
 
I must say, your pony teams effort at flexing is very funny. Trolls showing solidarity. You must all be proud. lol.
"Peter W." <peterwieck33@gmail.com>: Oct 29 07:55AM -0700

On Wednesday, October 28, 2020 at 11:42:01 PM UTC-4, Daniel Fynn wrote:
> My 'MUST' solar 3 phase Energy Storage Inverter(12KW, 48VDC) can charge alright but is not transferring power to the output (AC ). It shows an error code of 80 which says CAN fault in the manual i downloaded. I removed and re-fix all the communication cables but the problem persist.
> Will happy with any help on how to go round the problem. Thanks.
 
I get two interpretations of an "80" fault code". The first is directly from MUST, the second from the International Standard for Inverter Fault Codes:
 
1.
Communication fault
CPU communication fault
1.Restart inverter.
2.If error message still exists, contact
the installation contractor or supplier.
 
2.
80 < Derating occurred >
The power supplied by the inverter was reduced to below the nominal power due to high temperature for more than10 minutes.
Check ventilation
Check heat dissipation
 
Trusting the first over the second, and expecting that this is a grid-tie device, and that connecting to the grid requires good synchronization, which is managed by a CPU - I suspect that it it is not a physical problem (per your re-securing the communication cables), I expect that the Grid-Tie CPU is fried. But, before admitting to that catastrophe, have you checked the 'other end' of the communication cables? In general, it would be useful to know where you are, the age of the unit, and other niceties. For the purposes of this reply, I am assuming (always dangerous):
 
Input Voltage: 48 VDC
Output Voltage: 230 VAC x 3; Y; Pure Sine Wave; H/N = 230 VAC
50 - 60 HZ to match utility

For the most part, these CPUs are EEPROMs, and if not under warranty, you may be able to get a "fix" directly from the supplier at a reasonable cost. Good to have anyway, and probably delivered to you in the form of a memory card.
 
Peter Wieck
Melrose Park, PA
T i m <news@spaced.me.uk>: Oct 29 12:30PM

On Thu, 29 Oct 2020 03:43:19 -0700 (PDT), "peter...@gmail.com"
>> diodes in series in parallel with the buzzer?) and that the existing
>> bell draws at least 25mA?
 
>That would depend very much on how long your delivery individual holds down the button.
 
If it's anything like the Hermes delivery at 8 last night, too long
(or two many times). ;-(
 
>But a couple-of-ohms, 1-watt resistor, or so, in parallel to the buzzer should give all the protection you need.
 
So if using a resistor in that role I really need to match the
resistance to the resistance of the solenoid to give me the right
voltage drop over the buzzer (potential divider), hoping the worst
case is not too much voltage across the buzzer and when the batteries
are on the way out, enough for the buzzer bit to still work?
 
If I had a suitably low value (ww?) pot, I could put that across the
buzzer then tune it for the best sound with the Ni-Mh cells (then
replace it with a fixed resistor etc)?
 
> One watt is crazy-overkill, but cheap enough.
 
Why wouldn't a 'voltage' regulated solution be better, given how
little voltage we have spare to play with and the fact that the
voltage will change with time?
 
It looks like you can get 1.5V zeners so as long as they can manage
the current though the existing bell and the back EMF etc, wouldn't
that be the more subtle way of managing it all?
 
<idea>
 
I just stuck my DMM across the contacts on the bell push (at the bell
itself) and with a 6V battery supply I measure ~750mA (dropping to
~730 after a few seconds). That puts the bell solenoid resistance at
around 8 ohms (plus what I would get via the cabling etc).
 
If the buzzer draws 25mA at 1.5V then the buzzers resistance is around
60 ohms (I know that isn't ever going to be a pure resistor, unlike
the saturated solenoid) so adding that in series with the bell is
going to give me around 70 ohms and a maximum current of ~85mA.
 
That's roughly 5V across the buzzer and 1V across the bell.
 
Putting a 2 ohm resistor in parallel with the buzzer will give me just
over 10 ohms in total, so back up to around 600+mA, and so 1.2V across
the buzzer and 4.8V across the bell (and I know it works with 4.8V's
worth of rechargeables. ;-)
 
However, aren't we wasting energy in a resistor system, rather than
clamping voltage using a (say) a zener or is it the same thing?
 
Cheers, T i m
T i m <news@spaced.me.uk>: Oct 29 01:01PM

On Thu, 29 Oct 2020 13:57:16 +1100, Chris Jones
<lugnut808@spam.yahoo.com> wrote:
 
<snip>
 
>they come in voltage ratings above 5.5V so you would only need one
>capacitor:
>https://au.mouser.com/datasheet/2/40/AVX_SCM-1018838.pdf
 
Interesting, thanks.
 
Are these the sorts of things they have in these clever capacitive
based vehicle jump starting units?
 
<snip>
 
>a rectifier diode in parallel with the charging resistor, as I don't
>know whether breakdown might be destructive for a diode not intended as
>a zener.
 
Understood.
 
<snip>
 
>> I'll have to rig something up and see how it goes (and it's easier to
>> find 6V buzzers). ;-)
 
>I think you should try it and please report back how it goes.
 
You should see from elsewhere I'm going to try the low voltage series
buzzer first and yes, of course I'll report back as I can't be the
only one in this position who might appreciate a 'simple' solution?
;-)
 
Cheers, T i m
Fox's Mercantile <jdangus@att.net>: Oct 29 08:26AM -0500

Y'all are way over thinking this.
Just replace the door bell button with a DPST NO push button.
Then use the other half to do what ever you want.
 
 
--
"I am a river to my people."
Jeff-1.0
WA6FWi
http:foxsmercantile.com
"Peter W." <peterwieck33@gmail.com>: Oct 29 07:09AM -0700

> However, aren't we wasting energy in a resistor system, rather than
> clamping voltage using a (say) a zener or is it the same thing?
 
The resistor is on play only when the button is being pushed. So the amount of energy 'wasted' is negligible.
The buzzer is rated up to two (2) volts. Which suggests that a 1.5 ohm resistor will accommodate voltage swings from the battery and still protect the buzzer.
Resistors are far less complicated (and thereby more reliable) than a diode, more so if that diode is a zener. The idea is to pass enough current to trip the bell solenoid, yet not damage the buzzer.
I am not so sure batteries, buttons, buzzers and bells understand the concept of "subtle" on the one hand. They may understand "elegant" on the other hand. On the gripping hand, they certainly understand "simple".
I am trying to limit the number of parts involved with the least complicated, most efficient solution that uses what is already in place, and also does not involve brain-damage.
 
Enjoy!
 
Peter Wieck
Melrose Park, PA
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