My AC won’t turn on. How Do I check the Freon level? 2014 Thor Outlaw 37LS. I am. I tried tuning the AC on with battery;

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Customer: My AC won’t turn on
JA: Have you checked the Freon level?
Customer: how Do I check the Freon level?
JA: What is the make/model/year of your RV?
Customer: 2014 Thor Outlaw 37LS
JA: Are you fixing your RV yourself? What have you tried so far?
Customer: I am. I tried tuning the AC on with battery; but my monitor said it was overloading the system. Next, I tried Generator, then I can here the AC humming like it’s going, then nothing. I checked the breaker which is fine. Is there an additional fuse.
JA: Is there anything else the Mechanic should know before I connect you? Rest assured that they'll be able to help you.
Customer: no
Answered by Nachum Wagschal in 2 mins 1 year ago
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Nachum Wagschal
Auto Mechanic
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7,344 satisfied customers

Specialities include: Auto Body Technician, Heavy Equipment Repairs, Heavy Duty Engine Repairs, Brake and Transmission Repairs

Good Morning ,

Did you check the breaker on the normal panel or the one on the generator ?

Id the hum outside like the compressor running , or do you hear the fan running inside ?

Customer
I checked the breaker on the panel inside. Is there one on the generator too?
Customer
The humming sound is the compressor. Not sure if it’s struggling or Just turning off. But the fan never turns on. When I select the fan only on low or hi it doesn’t come on

Yes there is one on the generator. this video shows where it is.

If this was tripped , your generator would run but wouldn't produce electricity .

http://www.youtube.com/watch?v=Yzxx8Ht2hOs

Customer
Should I check the fuse by generator?
Customer
Ok. Let me check real quick

If the compressor is running then its working , you want to check if the fan blower is bad or isn't being turned on .

I would need the model of your ac unit to help figure out the fan problem , is it controlled by a thermostat or are the controls on the ac unit ?

Customer
Ok. I’m getting that information
Customer
One minute.
Customer
It’s a Dometic AC

does it use a thermostat or does it have a a fan speed switch on the unit ?

Are your batteries good or are they dead ?

Customer
Model 641915CXX1JO 13,500 BTU (there are 2 of the same- neither is working)
Customer
It uses a thermostat. There are 2 thermostats. Fan-HI/Lo, Cool/Auto, Heat
Customer
I’m checking the Generator fuse now
Customer
Batteries are good, but there was a fault code that came up when trying to use the AC with batteries. So I tried the Generator

here is a link to download a manual with wiring diagrams,

do you have a voltmeter to check things and what is your skill level with electrical diagnosis?

https://www.dometic.com/assets/59/01/3312500_55901.pdf?att=true

can you send me a picture of the thermostat so i know what style we are checking , it could just be a thermostat or wiring problem

Customer
I do have a volt meter to check My skill level is average to beginner.
Customer
Do you still want me to check the generator fuse?
Customer
Just a moment

if you are getting electric from the generator then its not the breaker on the generator

Customer
File attached (T447GL6)
Customer
Also, please see the fault code I’m getting after trying the AC with batteries...

are you getting power to your thermostats ?

Customer
The heater kicks on fine

Take a look at the manual on page 17 is a wiring diagram .

Initially I would say check voltage at the thermostat and make sure all wires are connected

The i would say check voltage at the unit for 12 volts and 120 volts ac power .

The units are controlled separately ,

so it would have to be a power problem if both are doing the same thing , your thermostat works off of 12 volt (as does the furnace) , but the AC unit is a 120 volt appliance

i need to runout , but i will be checking in throughout the day if you need more help

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