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-   -   Payne air handeler stoped working (http://www.diychatroom.com/f17/payne-air-handeler-stoped-working-119147/)

Spoke 10-03-2011 05:23 PM

Payne air handeler stoped working
 
Payne PF1M air handeler stopped working. no blower operation from thermostat, so I direct wired blower and it works great starts right up. Replaced the control board and the thermostat but blower still not turning on. Was using fan to circulate air in room and have used the heater in unit last winter no problems. AC part of system has never been hooked up. Using the system for heat and air circulation only. Last time fan worked unit was left on with the fan running over night.:confused1: Could ther be something I am over looking? This unit is two years old it came with the house I bought it had never been completly connected eletricaly or with charge to compressor or wiring to compressor. I only need it for the winter to heat and the summer for the fan.
Anyone have an idea of witch part to check next?
Spoke

Doc Holliday 10-03-2011 05:39 PM

I'll tell you but only after you tell me why you used the world "witch" in place of the proper "which." Halloween funny funny ha ha or just not bright? :)

Have you checked the blower motor fan run capacitor? I'd do that if you have proper low control voltage.

A the furnace itself, without any hard wiring but stat wires and blower wires all hooked through the board you can check to see if it comes on by jumpiong the r to the w terminal. That is your call for heat. be careful, 24 volts hurts too. Use a small piece of insulated wire.

you can also jum r to the g terminal for fan on only operation, no heat. if your blower works when jumping at the furnace then you should check all wiring to and from the stat.

biggles 10-03-2011 06:17 PM

Hi Fan is usually for the cooling and L o Fan to Lo Med for the heating did you check all the speeds with the hot wire to the fan motor as said if you do just fan for air its R to G but the heating fan goes thru the control board on a time delay or disc sensor to have fan run called in the R to W from the stat

Spoke 10-03-2011 06:19 PM

Blower not working
 
Well I tried jumping the R to G and R to W nothing happend.:(
Then I took my jack o'lantern voltage tester and found power at the fan blower capacitor, how much I dont know seemed good.:eek: That jac o'lantern does not tell me how much voltage just that it is there.

Spoke 10-03-2011 06:22 PM

Quote:

Originally Posted by biggles (Post 741499)
Hi Fan is usually for the cooling and L o Fan to Lo Med for the heating did you check all the speeds with the hot wire to the fan motor as said if you do just fan for air its R to G but the heating fan goes thru the control board on a time delay or disc sensor to have fan run called in the R to W from the stat

Blower runs at both medium and high speeds no problem when jumped to the 110v x 2 source.

Spoke 10-03-2011 06:40 PM

Quote:

Originally Posted by biggles (Post 741499)
Hi Fan is usually for the cooling and L o Fan to Lo Med for the heating did you check all the speeds with the hot wire to the fan motor as said if you do just fan for air its R to G but the heating fan goes thru the control board on a time delay or disc sensor to have fan run called in the R to W from the stat

I dont think I have power comming out of the transformer I have to get a better voltage tester.

Spoke 10-03-2011 08:16 PM

Quote:

Originally Posted by Spoke (Post 741514)
I dont think I have power comming out of the transformer I have to get a better voltage tester.

Nope no output from transformer:mad:

JJboy 10-03-2011 08:36 PM

You found the problem. :thumbup:

Doc Holliday 10-03-2011 10:42 PM

He found the symptom, the problem is why the tyranny went out.
To be continued...

Spoke 10-04-2011 08:09 AM

Quote:

Originally Posted by Doc Holliday
He found the symptom, the problem is why the tyranny went out.
To be continued...

There was an over size fuse in the control board. New board has 5amp fuse but don't really know why transformer stopped sending power. What would cause the failure? Pinched wire bad stat power surge?

Master of Cold 10-04-2011 09:15 AM

Most often a short in the thermostat wiring causes the failure of the transformer.


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