Bryant 355MAV

[jonnyques]

Hi I think I may have fried my board. I think I drew to much current through the EAC connectors on the board. I have 115VAC but do not get 24VDC at SEC1&2. Following the flow chart it says to replace the transformer. Any idea where this transformer is? Is it fused? The board does have a slite smell like it has over heated or a component has fried. I have been unable to find a number for the board on the web. The number on the board is HK42FZ0223005. Are there alternate numbers for this board? Any idea of cost?
Thanks

[Roscoe]

Circuit boards are charged at the factory with smoke once you fry it and the smoke gets out .....................it's Cooked...........:D

Now if you want deep fried hit it with ........220..........or .............221.........;)


Hk42 FZ's ......I got'em with Good smoke in them........

[jonnyques]

Ok quick update.... Found the transformer mounted on the bottom of the board housing. I pulled the leads to it and I DO NOT have 115Vac going to the transformer. I verified again that I do have 115VAC supply. So the board? ever repaired one?... thoughts?
Thanks

[jonnyques]

Awww yes, when I was in electronics school, we called it the blue smoke theory. EVERYTHING works on blue smoke. When it escapes.... things don't work.
Cost?... pm me
thanks

[Roscoe]

Hey lectronics school yer good to go then...............:rolleyes:....jes fix that bad boy..............chuck............:D

[DanW13]

I recall coming across a site sometime ago that rebuilds EAC, but the cost to rebuild one is pretty comparable to just buying a new one, then you can keep the old one you already fired by doing your own repair for spare parts for the next time this happens :D

[jrbenny]

http://hvac-talk.com/vbb/showthread.php?t=186644