Troubleshooting Atwood Air Command # AT15028-22 Not Heating Up

Question

Question:

I had this unit installed in July, 2021 so this is the first time I had an occasion to use the heat function. Now when I NEED it, the heat will not come on. It is set for HEAT, the thermostat is set for 76°, and switched to AUTO. It is now 46° outside and 57° inside. It never came on one time all night. I have attached pictures of my settings.

asked by: Darlene S

0

Expert Reply:

It does appear that you have all the settings correct for your Atwood Air Command Rooftop RV Air Conditioner w/ Heat Pump, # AT15028-22. You have it switched to heat and on high. Possibly adjust the settings to auto. If this does not resolve issue I suggest you take it back to the shop you purchased it from and had it installed. Your settings appear to be correct which causes me to consider an error in installation.

expert reply by: Michael R

0

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Eric G.

3/28/2024

Have same set up, tried to turn on and get nothing, display is dead, did turn it on a few times this winter and it worked fine.

Mike L.

4/23/2024

@EricG As a first step, you'll want to make sure power is reaching the unit, then let us know what you find.

Answer 1

With all Atwood products slowly being phased out the only option currently would be to replace the air distribution box you have with part #AT15021, which has the thermostat built into it. There aren't any other thermostats to my knowledge that…

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Answer 2

In cooling mode, the fan does indeed run constantly by design. Since you use the "auto" fan speed, the fan will run at slow speed when the compressor is off, and then cycle up to a higher speed as needed when the compressor starts. In heat…

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Answer 3

It sounds like you just need to unlock your Atwood Air Command, so in order to do so, you'll want to hold the down button and the MODE button at the same time for 3 seconds instead of holding the down key and the lock key for 3 seconds If after…

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Answer 4

With your Atwood you could have one of a few issues. Do note the heat pump is not designed to work in temperatures 45 degrees Fahrenheit and below. So if you are in temperatures above this you will need to check the temperature sensor in the roof top…

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Answer 5

An E4 error code indicates either a lack of refrigerant, a bad compressor, or an uncalibrated thermistor. The compressor isn't a replaceable part but you could see if the thermistor needs to be recalibrated by completing the steps listed in the…

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Answer 6

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 8

Hey Andrew! Yes, Furrion does have a Chill Cube model with a heat pump. This was actually just released for aftermarket sale. You will need a complete system to make the switch, new R32 units aren't backwards compatible with old R410A systems.…

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Answer 9

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 10

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 11

Hey Tim welcome back! Your ARH15AACBL2 GE AC unit has the old 410a refrigerant in it so the GE Appliances item #GE64FR you were looking at isn't going to work as a replacement. The EPA mandated R32 refrigerant has been used in all new AC's…

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Answer 12

Both the Roadmaster and Blue Ox tow bars are great options. But if it was my decision to make I would go with the Blue Ox Avail part #BX7420 as we have found that the Blue Ox tow bars are a little easier to connect and disconnect from. Also this tow…

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Troubleshooting Atwood Air Command # AT15028-22 Not Heating Up

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