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Old 12-01-2019, 09:24 AM   #1
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Refrigerator not running

Woke up this morning to our frig and closest out let not working. We are plugged in to shore power, and have been here a month. I checked and reset the breaker, no fuse issues. I went out and turned on the inverter in the basement thatís used when we are traveling and the frig came back on and is running. Any ideas? 2017 Wildwood Heritage Glen BAR 337 5th wheel. Thanks in advance!
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Old 12-01-2019, 09:48 AM   #2
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Hi JerseyVic,

If there is a GFI outlet in line with the refrigerator outlet, check it to see if it is tripped.

Good Luck,
Don
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Old 12-01-2019, 11:59 AM   #3
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Hi JerseyVic,

If there is a GFI outlet in line with the refrigerator outlet, check it to see if it is tripped.

Good Luck,
Don
^^^^^ This. The fact that both the refer and the nearby outlet are "dead" is usually a giveaway it's the GFCI "upstream". Start in the bathroom outlet and press reset button in middle of outlet.



Side Note:

GFCI's were designed and mandated to save lives. However, the amount of stress they can cause may well lead to shortened lives.
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Old 12-01-2019, 12:11 PM   #4
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^^^^^ This. The fact that both the refer and the nearby outlet are "dead" is usually a giveaway it's the GFCI "upstream". Start in the bathroom outlet and press reset button in middle of outlet.







Side Note:



GFCI's were designed and mandated to save lives. However, the amount of stress they can cause may well lead to shortened lives.


Not a GFCI outlet, they all work, I reset it anyway just to be sure. Iím thinking of replacing the breaker, thoughts?
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Old 12-01-2019, 12:26 PM   #5
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Not a GFCI outlet, they all work, I reset it anyway just to be sure. Iím thinking of replacing the breaker, thoughts?
Does the breaker only supply the Refrigerator and closest outlet? If nothing else you MIGHT have a bad breaker but in all my RV's I've never had a breaker fail unless the terminal was left loose and it burned under load.

Remember, GFCI outlets can be anywhere and also supply power to other outlets (like the one the refrigerator is plugged into.

RV mfr's don't provide any wiring diagrams that show their locations even though they are the most frequent causes of partial power loss. Diagrams should be required by law

My educated guess is that somewhere along the power supply to the refrigerator there's a GFCI outlet. Perhaps in an outside compartment even.

Other possibility is a loose connection at power panel neutral bus. Not a bad idea to open the power panel (remove cover) and take a screwdriver to each screw securing all the white wires. For some reason they don't always get tightened properly and some aren't tightened at all.

If you have a multimeter you can start tracing power. If present at the terminal on the refrigerator breaker the breaker is not the problem.
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Old 12-01-2019, 09:52 PM   #6
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Does the breaker only supply the Refrigerator and closest outlet? If nothing else you MIGHT have a bad breaker but in all my RV's I've never had a breaker fail unless the terminal was left loose and it burned under load.



Remember, GFCI outlets can be anywhere and also supply power to other outlets (like the one the refrigerator is plugged into.



RV mfr's don't provide any wiring diagrams that show their locations even though they are the most frequent causes of partial power loss. Diagrams should be required by law



My educated guess is that somewhere along the power supply to the refrigerator there's a GFCI outlet. Perhaps in an outside compartment even.



Other possibility is a loose connection at power panel neutral bus. Not a bad idea to open the power panel (remove cover) and take a screwdriver to each screw securing all the white wires. For some reason they don't always get tightened properly and some aren't tightened at all.



If you have a multimeter you can start tracing power. If present at the terminal on the refrigerator breaker the breaker is not the problem.


Thanks for your help, I checked the breaker w/meter it has power ( I also checked all the other breakers in case it was miss marked). Iíll check the ground screws next. I agree about the GFCI but I canít find another one. I canít get to the refrigerator plug without pulling it out of its cavity. I think Iím going to have to call someone on this one.
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Old 12-01-2019, 10:10 PM   #7
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Woke up this morning to our frig and closest out let not working. We are plugged in to shore power, and have been here a month. I checked and reset the breaker, no fuse issues. I went out and turned on the inverter in the basement thatís used when we are traveling and the frig came back on and is running. Any ideas? 2017 Wildwood Heritage Glen BAR 337 5th wheel. Thanks in advance!
Since you said the outlet and the refrigerator work when you turned on the inverter, I'd start there. Sounds like something wrong with the auto-switching circuitry or the circuit that feeds into the inverter.
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Old 12-02-2019, 12:26 AM   #8
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Since you said the outlet and the refrigerator work when you turned on the inverter, I'd start there. Sounds like something wrong with the auto-switching circuitry or the circuit that feeds into the inverter.
I agree with 5picker.. if the breaker has power in/out then the out goes to and into the inverter and when inverter is off just passes thru. Seems the inverter transfer function may not be operating.

My inverter has the ac from shore power from the breaker panel hard wired at the back of the inverter. Check that all the connections are good and that you have 120 volts there. One of the wire nuts may have lost connection. If you do it seems the inverter may be defective.
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Old 12-02-2019, 12:31 AM   #9
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Go outside, remove the lower cover for the fridge, and check for power at the receptacle it is pluged into
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Old 12-02-2019, 12:44 AM   #10
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Go outside, remove the lower cover for the fridge, and check for power at the receptacle it is pluged into
Most residential fridges RVs donít have access panels on the outside. No need for it as there is nothing to access from the rear.
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Old 12-02-2019, 12:47 AM   #11
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I didn't see where OP stated it was a residential fridge...
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Old 12-02-2019, 10:55 AM   #12
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I didn't see where OP stated it was a residential fridge...
He said inverter and ac outlets. Propane/electric fridges donít operate from ac voltage. They operate on Propane and or batteries so he must have a residential fridge...
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Old 12-02-2019, 11:31 AM   #13
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He said inverter and ac outlets. Propane/electric fridges don’t operate from ac voltage. They operate on Propane and or batteries so he must have a residential fridge...

Propane/12v for control panel operation (switching from propane to 120v a/c) , igniter & propane valve operation. 120v a/c when plugged into shore power/generator.

So, you're partially right. But also, the OP doesn't tell us whether it operates on propane/12v so, we still don't know EXACTLY which type of refer he has.

If residential, no outside vent panels to remove to gain access because residentials don't need outside venting.

But, with mention of an inverter and no mention of propane side, I will tend to lean in the residential refer side. So for that reason and the testing OP has already done, I agree that there is a problem in the inverter/transfer switch itself.
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Old 12-02-2019, 02:17 PM   #14
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Propane/12v for control panel operation (switching from propane to 120v a/c) , igniter & propane valve operation. 120v a/c when plugged into shore power/generator.

So, you're partially right. But also, the OP doesn't tell us whether it operates on propane/12v so, we still don't know EXACTLY which type of refer he has.

If residential, no outside vent panels to remove to gain access because residentials don't need outside venting.

But, with mention of an inverter and no mention of propane side, I will tend to lean in the residential refer side. So for that reason and the testing OP has already done, I agree that there is a problem in the inverter/transfer switch itself.
Youíre right about the ac... just after I posted I realized I was wrong...
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Old 12-03-2019, 10:35 AM   #15
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Youíre right about the ac... just after I posted I realized I was wrong...


It is residential and there is no access from outside the unit. Iím still having the issue. Iím thinking itís an inverter issue not allowing power to pass through when the inverter is off.
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Old 12-03-2019, 10:55 AM   #16
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I agree with 5picker.. if the breaker has power in/out then the out goes to and into the inverter and when inverter is off just passes thru. Seems the inverter transfer function may not be operating.

My inverter has the ac from shore power from the breaker panel hard wired at the back of the inverter. Check that all the connections are good and that you have 120 volts there. One of the wire nuts may have lost connection. If you do it seems the inverter may be defective.


Thanks I think youíre pointing me in the right direction. All connections seem good, do you think itís the inverter itself that needs to be replaced?
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Old 12-03-2019, 11:28 AM   #17
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It is residential and there is no access from outside the unit. I’m still having the issue. I’m thinking it’s an inverter issue not allowing power to pass through when the inverter is off.
Since it's a residential and you are still having issues, if you can access where the refrigerator plugs into the outlet that is fed by the inverter, simply plug the refrigerator into an appropriate sized extension cord and plug that into another outlet (not fed by the inverter) or back to the outside pedestal.

It will at least get you a working refrigerator until you narrow down the issue without having to have the inverter on if it matters.

Indications are pointing to the inverter and its internal transfer switching circuit.
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Old 12-03-2019, 12:00 PM   #18
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Since it's a residential and you are still having issues, if you can access where the refrigerator plugs into the outlet that is fed by the inverter, simply plug the refrigerator into an appropriate sized extension cord and plug that into another outlet (not fed by the inverter) or back to the outside pedestal.

It will at least get you a working refrigerator until you narrow down the issue without having to have the inverter on if it matters.

Indications are pointing to the inverter and its internal transfer switching circuit.


Thanks, I think so too, going to look into replacing it. To get to the plug Iíd have to remove the refrigerator from itís cavity. Itís about a foot off the ground and set back, Iíll just leave it on the inverter for now.
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Old 12-03-2019, 03:49 PM   #19
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Thanks I think youíre pointing me in the right direction. All connections seem good, do you think itís the inverter itself that needs to be replaced?
I donít know which inverter you have, I have a WFCO 1000 watt inverter. I had to replace mine for a different reason than your issue.

Mine has the 120 vac coming from the breaker to the rear of the inverter. I had to remove a rear plate and then pull the wires out that were connected internally to the inverter with wire nuts.

Have you done that or measured the voltage at the rear of your inverter to see if ac is getting there from the breaker panel?

What inverter model do you have?
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Old 12-03-2019, 04:03 PM   #20
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Thanks I think youíre pointing me in the right direction. All connections seem good, do you think itís the inverter itself that needs to be replaced?
Did you reset the GFI on the inverter?
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