Forum Discussion

scitech1976's avatar
scitech1976
Explorer
Jul 10, 2023

1997 Sunline T270SR - A/C was modified to always run on high

Previous owner modified something in the A/C unit to always run on high when the breaker is on. Thermostat does nothing for A/C control. (I also replaced the thermostat, and that made no differenc...
scitech1976's avatar
scitech1976
Explorer
Jul 12, 2023
We had a power supply failure 2 years ago and had to replace it. I wonder if the 3 amp fuse protecting the 12v control board is blown because of that.

I'll test the fuse and see, and then see what they did to bypass the controller as well.

Perhaps the replacement of the power supply fixed the issue, and I didn't even realize it was the cause.

I'll report back with what I find out.

Ryan & Dani

About Travel Trailer Group

44,030 PostsLatest Activity: Feb 04, 2025