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 > DC power low message on fridge

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enblethen

Moses Lake, WA

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Posted: 01/09/19 03:55pm Link  |  Quote  |  Print  |  Notify Moderator

Be good to now what kind of rig plus make and model!
Normally I would disconnect the battery, then connect voltmeter across leads coming from the converter, check voltage, record it, then disconnect the rig from shore power, voltage should go away.
Voltage should be over 13 volts when connected to shore power.
I would locate your converter and provide make and model.


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time2roll

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Posted: 01/09/19 04:48pm Link  |  Quote  |  Print  |  Notify Moderator

RDalr wrote:

Yesterday, my battery was showing 13.3 volts, today it is down to 12.02 volts.
Not sure where the low trigger is for the indicator but fridge should run fine down to 10 volts.

Are you measuring the house battery or the chassis battery? Yes 13.2+ volts would be the normal when plugged in.


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RDalr

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Posted: 01/09/19 07:12pm Link  |  Quote  |  Print  |  Notify Moderator

2oldman, could you be more specific? I.e. what voltage should I be looking for if in either cases? Etc.. thanks


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2oldman

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Posted: 01/09/19 09:52pm Link  |  Quote  |  Print  |  Notify Moderator

Enblethen pretty much covered it.

RDalr

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Posted: 01/10/19 07:41am Link  |  Quote  |  Print  |  Notify Moderator

Thank you for the added information.

neal10a

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Posted: 01/10/19 06:17pm Link  |  Quote  |  Print  |  Notify Moderator

Check the circuit breaker between the converter and battery. Many have a manual CB with manual reset. However, in many trailers with a three stage converter will maintain the fridge at 13+ volts if the CB to the battery has tripped. So not knowing your trailer model or make or wiring configuration it is difficult to help you. A 3 stage converter in bulk charge will put out 14+ volts and absobtion charge will be 13.5 and float charge (fully charged ) will be 13.2v.

RDalr

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Posted: 01/11/19 07:08am Link  |  Quote  |  Print  |  Notify Moderator

My converter has blown both 30 amps fuses and it no longer converts 110 volt to 12 volt DC current. I ordered a replacement. Thank you all for your suggestions.

bob213

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Posted: 01/11/19 09:34pm Link  |  Quote  |  Print  |  Notify Moderator

Super_Dave wrote:

2oldman wrote:

Charlie D. wrote:

I don't understand comments about it being a low battery.
If he's not on shore power it is.

Referencing Bob213's comment about no matter how the frig is being powered.


I believe when on shore power you need a functioning converter to supply 12v to the control board even without a battery. I could be wrong but I think the control boards are 12v.


You can avoid reality, but you cannot avoid the consequences of avoiding reality – Ayn Rand

enblethen

Moses Lake, WA

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Posted: 01/11/19 09:41pm Link  |  Quote  |  Print  |  Notify Moderator

I would check your battery to make sure it is connected correctly.
The negative should go to the frame of the rig.
Would you post make and model of your current converter?

time2roll

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Posted: 01/11/19 10:20pm Link  |  Quote  |  Print  |  Notify Moderator

RDalr wrote:

My converter has blown both 30 amps fuses and it no longer converts 110 volt to 12 volt DC current. I ordered a replacement. Thank you all for your suggestions.
While you wait... have the battery checked.

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