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Author Topic: current drain f7  (Read 3294 times)

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Dave DND

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Re: current drain f7
« Reply #15 on: 08 May 2011, 16:22:45 »

Next job for you -

Check your meter !!  0.49A is far too high, and would drain a battery - should be around the 50~70 mA or so, not approaching 500mA.

The next few days will tell - if your battery remains fully charged, then your meter is innaccurate

 ::)
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Kevin Wood

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Re: current drain f7
« Reply #16 on: 08 May 2011, 22:34:35 »

Quote
Next job for you -

Check your meter !!  0.49A is far too high, and would drain a battery - should be around the 50~70 mA or so, not approaching 500mA.

The next few days will tell - if your battery remains fully charged, then your meter is innaccurate

 ::)

Agreed. I'm starting to wonder if it's reading 49mA, which is nothing to worry about. :y
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denisaok

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Re: current drain f7
« Reply #17 on: 09 May 2011, 17:56:03 »

Hi Guys

Thanks again for the help this is how I got my reading I set the meter to 10A on the dial and got the reading of 0.49 so would that be mA .

So do I have anything to worry about ?  ::)
« Last Edit: 09 May 2011, 17:57:22 by denisaok »
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Martian

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Re: current drain f7
« Reply #18 on: 09 May 2011, 19:41:36 »

If you got a reading of 0.49 when on the 10A range, that is 490mA (which is way too high).
« Last Edit: 09 May 2011, 19:42:10 by Martian »
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denisaok

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Re: current drain f7
« Reply #19 on: 09 May 2011, 23:08:21 »

Thanks

Well started at 2.4 so am getting there looks like Ill be pulling circuits this weekend. :'(
Any advice on where to start :-?
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Martian

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Re: current drain f7
« Reply #20 on: 09 May 2011, 23:10:58 »

Quote
Any advice on where to start :-?
Start at F1 and work your way through.
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denisaok

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Re: current drain f7
« Reply #21 on: 09 May 2011, 23:15:12 »

Thanks Martin

Done that Fuses 6 & 7 seem to be the the problem
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Martian

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Re: current drain f7
« Reply #22 on: 09 May 2011, 23:28:41 »

Quote
Thanks Martin

Done that Fuses 6 & 7 seem to be the the problem
Don't have a manual so I can't help you with what is fed by those fuses, I'm sure someone else can though.
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Andy B

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Re: current drain f7
« Reply #23 on: 09 May 2011, 23:35:22 »

Quote
Quote
Thanks Martin

Done that Fuses 6 & 7 seem to be the the problem
Don't have a manual so I can't help you with what is fed by those fuses, I'm sure someone else can though.

http://images.omegaowners.com/documents/UserGuides/OmegaOct2002.pdf

page 186
« Last Edit: 09 May 2011, 23:37:20 by Andy_B »
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Martian

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Re: current drain f7
« Reply #24 on: 10 May 2011, 00:11:00 »

Thanks for that Andy.

Denisaok,

There isn't much on those 2 circuits, and if I had to pick what to blame first, I'd be looking at the radio (F6).
What does the quiescent current drop to with F6 only removed?

PS
I take it you have checked that your meter is telling the truth to start with?
« Last Edit: 10 May 2011, 00:12:10 by Martian »
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Dave DND

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Re: current drain f7
« Reply #25 on: 10 May 2011, 09:59:45 »

I would advise that a 10A setting on a meter is not going to be sensitive enough to measure accurately a small reading of 50mA

I would obtain another meter before going any further
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Martian

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Re: current drain f7
« Reply #26 on: 10 May 2011, 16:43:20 »

Quote
I would advise that a 10A setting on a meter is not going to be sensitive enough to measure accurately a small reading of 50mA

I would obtain another meter before going any further
Pretty much all the "diy" DMM's will struggle with reading 50mA or so on the 10A range, but if the OP gets a reading of zero (or near) after seeing 490mA then that will be enough to show them they are on the right track.

One thing I would do though is verify the accuracy of the DMM as you suggested earlier, the cheap ones do produce some weird & wonderful "results" when the battery starts to get low (such as over reading).
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denisaok

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Re: current drain f7
« Reply #27 on: 10 May 2011, 21:24:14 »

Hi All

I will use my mates meter his a TV engineer an coming to give me a hand on Saturday. I got a tis 2000 today to help trace circuits will keep you posted
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Re: current drain f7
« Reply #28 on: 21 May 2011, 15:21:56 »

Hi all

All sorted now turned out that the 1st delay relay I tried was faulty to.
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