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Old 09-26-2016, 12:07 PM   #1
Chucka
 
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blown fuse

I have blown three 20 amp fuses this summer. I rarely use an electric hook-up when camping but when I get home I do plug in the camper. I think the fuse blows at this time but not always. Does this have anything to du with the converter?
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Old 09-26-2016, 02:39 PM   #2
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I'm not in front of my 194 right now, but I'm pretty sure that the 20 amp fuse goes to the fridge. So I would start there.


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Old 09-26-2016, 03:22 PM   #3
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blown fuses

I forgot to mention in my initial post that I have two 20 amp fuses which are listed as numbers 5 & 6 with #6 being the one that is popping. When this fuse is blown the battery system does not work but as soon a I replace the fuse everything is okay with the 12 volt system.
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Old 09-26-2016, 04:09 PM   #4
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I have only one 20 amp fuse, the #6 fuse on mine and all the others I've seen is the 30 amp main battery fuse. What year and model do you have? I'm wondering if someone put the wrong size fuse in


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Old 09-26-2016, 04:18 PM   #5
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I just remembered something I read on this forum, if you have your fridge set on 12 volt, and you plug into shore power it will blow the fuse, I bet that's what you're doing


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Old 09-27-2016, 04:36 PM   #6
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The fridge in the low wall models (the high walls have different fridges) have no interconnection between DC and AC. There is no 12V control board. The AC and DC coils are completely separate and will not affect the other.

Again, high wall units are different.

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Old 09-27-2016, 04:42 PM   #7
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Quote:
Originally Posted by jrkrueger View Post
I forgot to mention in my initial post that I have two 20 amp fuses which are listed as numbers 5 & 6 with #6 being the one that is popping. When this fuse is blown the battery system does not work but as soon a I replace the fuse everything is okay with the 12 volt system.
According to Fuse Identification? the #6 fuse is the battery fuse. This should be a 30 amp fuse, not a 20 amp. Your converter can charge up to 30 amps, so the bigger fuse is necessary. It would also explain the battery system.

A lot of good info in the Fuse Identification sticky.

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Old 09-28-2016, 09:13 AM   #8
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I agree with Fred.

Here is the latest fuse identification list with # 6 in bold. The initial list of converter fuses was made on a low wall camper, an A122s. As always with electrical, double check the info as needed.

1. 10 Amp Water Pump
2. 10 Amp Thermostat. When pulled the air-conditioner shuts off
3. 15 Amp Propane detector, Water heater, Furnace
4. 10 Amp Inside lights
5. 20 Amp Fridge
6. 30 Amp. Main battery. With this pulled and the camper unplugged, nothing worked inside. This was the only fuse that shut off the stereo and the nightlight. With the camper plugged in, there was no effect.
7. 40 Amp is marked as reverse battery polarity protection.
8. 7.5 Amp Furnace (Optional) Inline fuse located near furnace.
9. 7.5 Amp Power Lift Roof (Optional, currently High Wall models only) Inline fuse located in CoolCat compartment. Just follow the wires from the lift mount on the outside wall.
10. 7.5 Amp Power Front Jack (OEM Option) Inline fuse located in Battery Box.
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Old 09-28-2016, 10:56 AM   #9
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Originally Posted by Pooneil View Post
I agree with Fred.

Here is the latest fuse identification list with # 6 in bold. The initial list of converter fuses was made on a low wall camper, an A122s. As always with electrical, double check the info as needed.

1. 10 Amp Water Pump
2. 10 Amp Thermostat. When pulled the air-conditioner shuts off
3. 15 Amp Propane detector, Water heater, Furnace
4. 10 Amp Inside lights
5. 20 Amp Fridge
6. 30 Amp. Main battery. With this pulled and the camper unplugged, nothing worked inside. This was the only fuse that shut off the stereo and the nightlight. With the camper plugged in, there was no effect.
7. 40 Amp is marked as reverse battery polarity protection.
8. 7.5 Amp Furnace (Optional) Inline fuse located near furnace.
9. 7.5 Amp Power Lift Roof (Optional, currently High Wall models only) Inline fuse located in CoolCat compartment. Just follow the wires from the lift mount on the outside wall.
10. 7.5 Amp Power Front Jack (OEM Option) Inline fuse located in Battery Box.
On my low wall there is also a fuse (4 amp as I recall) for fantastic fan located on the face of fan and an inline glass fuse for stereo (not sure of amperage) located in the space behind microwave and radio.
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