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York furnace ruff model N1AHBO806A heat doesn’t work

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Old 12-29-14, 07:14 AM
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York furnace ruff model N1AHBO806A heat doesn’t work

York furnace ruff model N1AHBO806A heat doesn’t work
I have a heat pump outside GMC 2 tons USZ 130241B, 1 COIL 2 Tons Goodman ant 1 thermostat White Rodgers 1F95-1277.
The heat pump is working well ,my problem is when the temperature is to low outside and the heat pump can’t give no more heat suppose to start the furnace element the thermostat is asking for that I can see on the screen SYSTEM ON +2 but seems to have no power on the element. I check the element seems ok.

I have this board all the entry power seems to be present
Here is the link to the manual I think
http://www.master.ca/documents/0NAHRepairParts-0303.pdf
 
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Old 12-29-14, 07:26 AM
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A drawing of the wiring would help can you tell if the Contactor's for the heating elements are closed?
Geo
 
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Old 12-29-14, 07:51 AM
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that's my problem i don't have a wiring diagram seems to be the board who control the element.
Thanks
 
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Old 12-29-14, 08:59 AM
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Can you check for voltage on the Contactor coils ? Should be 24 VAC ,may be one of the other guy's here has a drawing.
Geo
 
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Old 12-29-14, 09:46 AM
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yes i have 24v at the terminal block entry on the board.
if somebody has a wiring diagram for this model can help please?
Thanks
 
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