Hello all, the other day out of the blue my A/C decided not to blow out of the center vents but just the bottoms and not very cold at that. Last time this happened I changed out the amp and all was well. David Boger just sent me an amp (he couldn't test it) installed it and nothing changed. I have some other questionable ones and none did the trick.

A/C is fully serviced and compressor lines get ice cold.

I can hear no servo movement and I know there is a way to move the servos with a 9Volt battery I'm just not sure which wires to "prod"

Does someone here have directions to "override" the faulty amp signal to just put it on full cold/ctr vent?

Any help would be appreciated, esp here in NE Florida!

 

It'll be the purple and red wires at the round connector at the servo.

For cooling apply "+" voltage to the purple wire and ground the red wire

For heating apply "+" voltage to the red wire and ground the purple wire

Operate the servo in small increments so as not to 'over rotate' the drums. If you go too far you might (probably will) break the little switch tabs


Cheers
DD

 

Thanks Doug, I'll give it a whirl in the AM. My old amp was pretty much locked on full cold which was fine for Florida, I just left the dial on 65 as not to tempt it out of that mode. I just want to get it back there a leave it.