Updated: April 03, 2023
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by Zachary Finkelstein
Tech Expert & Writer
774 resolved issues

I put and thermostat in and it's blowing heat on cool

Hello, thank you for using Howly. I’ll be happy to help you out! May I ask your name?

Customer Replay


Nice to meet you, *****!
Is it a new thermostat?

Customer Replay


Can you tell me the brand and the model?

Customer Replay



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Thank you for the info!
Please note the following before proceeding with self-repair. If your device is still under warranty then any self-repair or modifications to the device can be the cause to void the warranty. So please re-check if your warranty is still covering your device!

Customer Replay

We don't have a warranty,

Ok, got it
Please, follow my instructions:
Press Fan and UP simultaneously and hold for approximately 3 seconds. The screen will change to display two numbers
Tell me what are the numbers

Customer Replay

It's blowing out heat on cool

I understand the pproblem

Customer Replay

1 on the left and 0 on the right

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Now, use arrow to change that 0 to 5.
Then hit next.

Customer Replay

Now its 2 on the left and 0 on the right

Ok, hit Next.

Customer Replay

6 on the left 5 on the right

Change this 5 to 9

Customer Replay


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Using the arrow

Customer Replay

Ok now it's 12 and 0

Yes, correct
Now, if you select 1, the thermostat will change back and forth from heat to cool as needed without you having to do so manually.
Alternatively, you can just hit Next

Customer Replay

Now its 13 and 1

Ok. Go ahead and hit DONE and then try AC.
Let me know if ac comes on blowing cold. May have a time delays so don’t panic.

Customer Replay

So far the AC is running we are going to see if it drops a degree

Ok, sure
Let me know about the result

Customer Replay

The problem was before is when you set it in heat the thermos says its on but the heat wasn't pumping or blowing im still seeing if its cooling down

What troubleshooting have you done so far?

Customer Replay

Just checking wires and resetting breakers

Ok, I got you

Customer Replay

I put the new thermos in about three weeks ago and everything worked fine but when we needed heat it would say heat on and it would click but not heat

Are you talking about the one we deal with now?

Customer Replay

Yes now the air feels like it's cool but temp isn't dropping on thermostat in going to let it run awhile and then try the heat next

Ok, sure
You can come back to us later if the problem remains

Customer Replay

Thanks alot

You are welcome!
Is there anything else I can do for you today?

Customer Replay

Not yet but I will get back to you

Ok. Thank you for chatting with us today!
We are available 24/7, you can refer your questions anytime.

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