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jenevers

Mysterious 5amp drain

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Does the inverter have it's own isolator? if so turn it off and see if you still have the current drain. An inverter uses power even when there is no 240 volt load so turning off the breakers will not result in zero amps to the inverter.. Some cheapies use 5 amps when doing nothing, many older ones of 10 years ago use about 2 amps even good brands, a recent one should be about 1 amp with no load.  There is of course also the chance that the inverter has developed a fault.

  • Greenie 1

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2 minutes ago, Mike the Boilerman said:

 

I'm not sure what one should do if one had, say 101 fuses though. Any ideas?

No idea, though if you had that many,you would need a special room!

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Please keep an eye open for an extraneous 5A entering your boat.  If 5A has disappeared into the ether then it could reappear anywhere in the cosmos.  Constant vigilance!  (Other serious opinions are also available.)

Edited by system 4-50

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Just a thought, but do you have a bow thruster?  If so it will have it’s own battery at the front which might be directly charged by the battery bank at the back, if so, and if the thruster battery is defective it could be taking a ‘constant’ current.

 

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2 minutes ago, smileypete said:

Main options:

 

1) Clamp meter

 

2) Struggle?

 

In the past, only option 2 was available. Seems some of 'the experts' still prefer this, dunno why...

 

You missed option 3: Disconnect everything then add back in the connections one at a time.

 

The OP seems curiously resistant to doing this. 

 

 

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13 minutes ago, Mike the Boilerman said:

You missed option 3: Disconnect everything then add back in the connections one at a time.

 

The OP seems curiously resistant to doing this. 

Or there may be a simpler explanation ...

12 hours ago, jenevers said:

Will try that next time I go to the boat,  but that won’t be for about 10 days now.

 

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Have you got a car type radio when we recently had our new batteries and monitor installed there was a constant max 2 amp current with ‘everything’ turned off it turned out it was the radio drawing to keep its memory settings. Ok max of 2 amp isn’t 5 but if your readout isn’t particularly accurate it could be offset?

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9 hours ago, Mike the Boilerman said:

The OP seems curiously resistant to doing this. 

Yes, and I wish he'd get on with it.  I can't think of an easier type of electrical snag to track down than this - it's simple isolation.  Either it can be done methodically or we can just keep shouting out random things to disconnect til he picks the right one! :D

 

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3 minutes ago, Sea Dog said:

Yes, and I wish he'd get on with it.  I can't think of an easier type of electrical snag to track down than this - it's simple isolation.  Either it can be done methodically or we can just keep shouting out random things to disconnect til he picks the right one! :D

 

It will be solved on his return to the boat.

I bet he doesn't have a 5 amp discharge in 10 days time.

Problem solved (obviously)

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13 minutes ago, Alan de Enfield said:

It will be solved on his return to the boat.

I bet he doesn't have a 5 amp discharge in 10 days time.

Problem solved (obviously)

 

Perfectly correct, as someone pointed out his batteries will be dead & flat. :)

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and if they are not he does not have a 5 amp discharge.

Edited by Tony Brooks

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