Recent content by Robert McP

The Main software revision # is 4.30 and the Display software revision # is 3.12. The pump is a Zodiac FHPM2.0-2. It is set for a 2 speed pump and there is a variable pump option. The controller has a relay for filter pump and 2 aux relays. aux 1 controls the low speed and aux 2 was unused. I...

I've got a 2 hp 2 speed pump motor (ao smith p/n 0-193990-07) that is controlled by a hayward pro logic PL-P-4 that won't run on low speed. It hums when trying to go to low speed. A sticker on the motor says it has a low speed mini switch. Does anyone know how the pro logic makes it go to low...