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Open Roads Forum  >  Tech Issues

 > DC current draw at rest, 2.3 amps with nothing on

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patricklcam

Salt Lake City

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Posted: 09/12/21 11:12am Link  |  Quote  |  Print  |  Notify Moderator

Hi,

I have a new to me travel trailer with the discontinued American CS 6000 power distribution unit.
With no shore power attached and all DC fuses removed I see a 2.3 amp draw from the battery.
If I detach the battery charger at the distribution panel + terminal the amperage draw goes down to .25 amps.
Measurement is made by putting amp meter inline between the + battery post and the + input wire.

Is this a normal parasitic draw for the CS 6000 unit?

I know the battery charger in the unit is not that good, cooks battery and is not lithium compatible. Just trying to figure out what is normal before changing things out.

Thanks in advance

Pat

DrewE

Vermont

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Posted: 09/12/21 11:37am Link  |  Quote  |  Print  |  Notify Moderator

That is not a normal parasitic draw for any converter. It should be a few orders of magnitude lower.





time2roll

Southern California

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Posted: 09/12/21 12:00pm Link  |  Quote  |  Print  |  Notify Moderator

A 2 amp draw is exceedingly high for any modern converter. Maybe a few milliamps but 2 amps is huge.
My trailer idles at 500 milliamps (1/2 amp) with the fridge running and everything else off but not disconnected.


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dougrainer

Carrolton, Texas

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Posted: 09/12/21 12:42pm Link  |  Quote  |  Print  |  Notify Moderator

Make sure your Trailer Brake a way switch is also disconnected. There may be a slight fault in it drawing power. The Brake a way is wired direct to the battery POS post. Also, check your LP sensor. It may also be wired direct and not be fused at the Fuse center and have its own fuse. Doug

patricklcam

Salt Lake City

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Posted: 09/12/21 03:18pm Link  |  Quote  |  Print  |  Notify Moderator

Thanks all.

I took the charging unit out and put on a bench to make testing easier.
Found a questionable solder joint which I re-soldered.
Applied battery power to the +- terminals, still 2.3 amps.
No components burnt or any other visual indications.

Current battery is a single marine deep discharge, powering lights, roof fan and a heater fan.
Someday trailer will have a lithium in its place, maybe 2.

Checking prices it looks like replacing the entire distribution panel with charger is just a few dollars more than the charger alone.

I guess I will change the whole thing out for a Progressive Dynamics Mighty Mini 60 Amp PD4060K unless there is a better option you might recommend.

philh

Belleville MI

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Posted: 09/12/21 07:07pm Link  |  Quote  |  Print  |  Notify Moderator

Make sure your replacement has high enough voltage for lithium

StirCrazy

Kamloops, BC, Canada

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Posted: 09/13/21 07:42am Link  |  Quote  |  Print  |  Notify Moderator

patricklcam wrote:

Thanks all.

I took the charging unit out and put on a bench to make testing easier.
Found a questionable solder joint which I re-soldered.
Applied battery power to the +- terminals, still 2.3 amps.
No components burnt or any other visual indications.

Current battery is a single marine deep discharge, powering lights, roof fan and a heater fan.
Someday trailer will have a lithium in its place, maybe 2.

Checking prices it looks like replacing the entire distribution panel with charger is just a few dollars more than the charger alone.

I guess I will change the whole thing out for a Progressive Dynamics Mighty Mini 60 Amp PD4060K unless there is a better option you might recommend.


I like PD, and if that is discontinued it is a good upgrade. thats weird to have a high draw like that, how old is it?

Steve


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BFL13

Victoria, BC

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Posted: 09/13/21 08:14pm Link  |  Quote  |  Print  |  Notify Moderator

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Huntindog

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Posted: 09/13/21 09:08pm Link  |  Quote  |  Print  |  Notify Moderator

My Momentum idles at about 1.65 amps.


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