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Author Topic: Dreaded powersounder!  (Read 2852 times)

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Lampynoiseboy

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Dreaded powersounder!
« on: 18 February 2011, 23:42:36 »
Hi All

Due to the excellent advice here, I removed my 10 year old PS last week. Haven't tried cracking it open, but there's no obvious signs of damage...... yet!

Anyone want it for testing? I know a few here have been experimenting, but can't find the relevent post.

Free to anyone who wants to play... but to any newbies DON'T take this as a replacement..... you may get a visit from the boys in the big red truck  :(

Cheers
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Trouble strikes in series of three's, but when working on the car, the next job after a series of three is not the fourth job -- it's the start of a brand new series of three

Kevin Wood

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Re: Dreaded powersounder!
« Reply #1 on: 19 February 2011, 09:02:26 »
If you don't want it I'd be happy to do a post-mortem. :y

I can bring the requisite instruments (a hacksaw) to the cam belt meet next week if you like?

It might be salvageable with a new pair of batteries.

Kevin
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Dave DND

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Re: Dreaded powersounder!
« Reply #2 on: 19 February 2011, 09:13:42 »
Quote
If you don't want it I'd be happy to do a post-mortem. :y

I can bring the requisite instruments (a hacksaw) to the cam belt meet next week if you like?

It might be salvageable with a new pair of batteries.

Kevin

Indeed it might be, as long as no damage has occurred from leakage, there is no reason why a new set of batteries wouldn`t give it a new lease of life.

 :y
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Lampynoiseboy

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Re: Dreaded powersounder!
« Reply #3 on: 19 February 2011, 23:18:11 »
It's currently languishing on the front footwell.... many thanks guys
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PhilRich

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Re: Dreaded powersounder!
« Reply #4 on: 20 February 2011, 12:06:01 »
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It's currently languishing on the front footwell.... many thanks guys






You may want to remove it to a new (non combustible) site to await disposal/seeing to, as if there is any internal acid leakage it can still overheat/spontaneously combust while languishing on your nice flammable carpet :D :y
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Lampynoiseboy

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Re: Dreaded powersounder!
« Reply #5 on: 20 February 2011, 16:34:58 »
Fair point, but if you knew my memory like I do (or used to!) chances are I'll forget the damn thing on Saturday!

Now where did I put that fireproof document box...... :D
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markomega25

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Re: Dreaded powersounder!
« Reply #6 on: 22 February 2011, 22:22:33 »
I believe these might be the right batteries - from maplins.

http://www.maplin.co.uk/pcb-mounted-nimh-batteries-30958

Product code BN24B - 3V150H (£6.99 each).

Going to cut mine in half sometime soon and check, if they are the correct batteries (can someone confirm please) I'll get some and replace. These are NiMh rather than NiCad so should last longer.
« Last Edit: 22 February 2011, 22:25:33 by markomega25 »
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Andy B

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Re: Dreaded powersounder!
« Reply #7 on: 22 February 2011, 22:27:00 »
Quote
I believe these might be the right batteries - from maplins.

http://www.maplin.co.uk/pcb-mounted-nimh-batteries-30958

Product code BN24B - 3V150H (£6.99 each).

Going to cut mine in half sometime soon and check, if they are the correct batteries (can someone confirm please) I'll get some and replace. These are NiMh rather than NiCad so should last longer.

there's guide here....  :y

http://www.omegaowners.com/forum/YaBB.pl?num=1240077701
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Kevin Wood

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Re: Dreaded powersounder!
« Reply #8 on: 22 February 2011, 22:35:53 »
Quote
I believe these might be the right batteries - from maplins.

http://www.maplin.co.uk/pcb-mounted-nimh-batteries-30958

Product code BN24B - 3V150H (£6.99 each).

Going to cut mine in half sometime soon and check, if they are the correct batteries (can someone confirm please) I'll get some and replace. These are NiMh rather than NiCad so should last longer.

They can be made to fit but are a little larger and don't have the same pin footprint (and are a bit pricy).

I can't remember where I found the exact ones from (need to buy some actually). Rapid electronics rings a bell, for some reason.

Kevin
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markomega25

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Re: Dreaded powersounder!
« Reply #9 on: 22 February 2011, 22:38:03 »
Thanks Andy B,

Yep the batteries in the second set of photo's in the guide look the same as the Maplin ones so that's looking promising, hope they are the same as in mine. Looks like I will be warming up my hacksaw and soldering iron soon then!
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Ken T

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Re: Dreaded powersounder!
« Reply #10 on: 22 February 2011, 23:06:46 »
Quote
If you don't want it I'd be happy to do a post-mortem. :y

I can bring the requisite instruments (a hacksaw) to the cam belt meet next week if you like?

It might be salvageable with a new pair of batteries.

Kevin

Yes please. I would very much like to know what is causing these to go short. I doubt its going on fire, a 10year old battery hardly holds enough energy to sound the sounder, never mind combust.

I guess maybe the battery is leaking something, which somehow causes something to go short which nukes the basically unfused supply going into it. I would love to know how, cause I can't see how it can happen. If they use a series regulator, they would have to short the base up to 12V to turn it full on, but corrosion will eat tracks, not short them.

I would love to find out what is really happening with these. OK, the appropriate fusing seems the best protection, but knowing what the fault is means you can cure it.

Ken
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Ken T

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Re: Dreaded powersounder!
« Reply #11 on: 22 February 2011, 23:08:14 »
Quote
Thanks Andy B,

Yep the batteries in the second set of photo's in the guide look the same as the Maplin ones so that's looking promising, hope they are the same as in mine. Looks like I will be warming up my hacksaw and soldering iron soon then!

I shouldn't really say this, but a decent soldering iron is quite good at cutting through plastic housings and welding them back together afterwards.

Ken
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Andy B

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Re: Dreaded powersounder!
« Reply #12 on: 22 February 2011, 23:10:26 »
Quote
Quote
If you don't want it I'd be happy to do a post-mortem. :y

I can bring the requisite instruments (a hacksaw) to the cam belt meet next week if you like?

It might be salvageable with a new pair of batteries.

Kevin

Yes please. I would very much like to know what is causing these to go short. I doubt its going on fire, a 10year old battery hardly holds enough energy to sound the sounder, never mind combust.

I guess maybe the battery is leaking something, which somehow causes something to go short which nukes the basically unfused supply going into it. I would love to know how, cause I can't see how it can happen. If they use a series regulator, they would have to short the base up to 12V to turn it full on, but corrosion will eat tracks, not short them.

I would love to find out what is really happening with these. OK, the appropriate fusing seems the best protection, but knowing what the fault is means you can cure it.

Ken

My 'new' Astra also has as powersounder, and although it doesn't appear to be causing problems, it threw up a fault of sorts when CptnZok used his diagnostic programme  ::) So I'm guessing it's also on borrowed time.  :-?
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Andy B

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Re: Dreaded powersounder!
« Reply #13 on: 22 February 2011, 23:11:43 »
Quote
... and welding them back together afterwards.

Ken

I've used my large soldering iron as a welder quite a few times with reasonable results.  :y :y :y
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Kevin Wood

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Re: Dreaded powersounder!
« Reply #14 on: 23 February 2011, 16:59:23 »
Quote
Quote
Thanks Andy B,

Yep the batteries in the second set of photo's in the guide look the same as the Maplin ones so that's looking promising, hope they are the same as in mine. Looks like I will be warming up my hacksaw and soldering iron soon then!

I shouldn't really say this, but a decent soldering iron is quite good at cutting through plastic housings and welding them back together afterwards.

Ken

.. if you can stomach the smell. ;D

Kevin
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