Yes I was checking amps with door off and then on. With the door off i got about .3 or .2 amps less. If my meter wasnt at work ide check my blower now.
Originally Posted by garyed
evap fan motor
It didnt go up. Amps went down slightly with the door off.
Originally Posted by mgenius33
Whoops, sorry post #13 was a typo.
Originally Posted by Core_d
I have a 115v 1/6 hp 2.5A blower assembly on the bench wide open.
Input voltage 121.0 vac
Keep in mind, I can't read run winding separately because it is connected internally to cap common.
With 0 static, the current goes up to
4.7A to common L2
0.4A on start wire
Capacitor voltage 189v
Completely closing off the open wheel return side (not motor side), and ~70% of the supply side, the current dropped to near full load
2.4A common L2
Cap volts 313v
Closing supply side ~99% with return side still closed, the current drops to
1.6A common L2
Cap volts 349v
"The only true wisdom is in knowing you know nothing" Socrates
The more air the fan moves, or work it does, the more amps it draws. When they rate a motor it is under a specified load. It would be my guess that, getting back to the original post, the motor is not being loaded to its perfect world load to draw the nameplate amperage. Cap is fine, doesn't need replacement.
Just tested my blower 5.7A with door on. 5.88A with the door off. Dont know what the deal was when I tried this before maybe I did something wrong not sure.
High static will cause low amp draw. The actual amps will depend in the work being done.