I replaced mt old Emerson EB841 with a new AO smith B2841.
I turn it on after installation, and it is much quieter than the old one. Water running, but seems slower than the old one, and the DE filter pressure is in 0
Then it smell like something is burning, but I thought it might be because it was new. So I wait a little bit and noticed the housing very hot, I turn it off and check the temp. with my infrared thermometer, it reaches 150 degree.
I went online and read that the pump would run in high temp if it is new, so I turn it back on and let it run, less than 1/2 hour later, the motor shut down on its own and the housing is extremely hot.
I waited a while and the motor was able to start again. I thought maybe my DE filter was dirty, so I took that apart to clean it, turn on the motor again, the filter pressure is still at 0, the housing gets a bit warm, 5 mins later, the housing is at 170 degree, and the air coming out at the back is really hot, like a hair dryer, ,
What seems to be the problem? Did I get a defective unit?
Why is the filter pressure stay at 0?