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Spark ignitor does not spark and blower constantly blowing cold air
Asked Dec 9, 2011, 04:08 PM
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21 Answers Hi, Day & Night by Carrier Product: 395BAW048080ABJA Model: 395BAW048080 Date of mgf: 1987 My Day & Night by Carrier is constantly blowing cold air even when the thermostat is on Off or Auto. When trying to turn the heat on, the blower just constantly blows cold air. I've tested the voltage on the board and all seems to be working fine. PR1 and PR2 along with L1 and L2 is getting 124v and 123.6v respectively, and HI and LO along with SEC1 and SEC2 is getting 36v and 28.5v respectively. When I test COM to SEC1 I get 28v, but I test COM to SEC2 I only get .42v. On W, are and G is getting .5v, same goes for the spark igniter .1v. On 1 and 3 on top of White Rogers is getting .37v. I have already switch out the control board (HH84AA009) thinking it maybe bad due to visual char capacitor with a brand new ICM275 Fan Control Center board which suppose to be compatible. What do you think is the problem? Thank you in advance for your help. Steve |
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| Sorry steve, I dont give out that info, Im sure you can understand. However, It sure looks like that flame is getting pretty carried away from the pics. At this point, it really looks to me like this could be a very large safety concern, beyond me even giving any more advice, other than checking gas pressures, making sure the furnace is set up for the correct gas, and finally, it really may be time to get a pro in there to take look and do a hands on trouble shooting of the furnace. That flame is getting way to close to the gas valve (or at least it appears that way in the pics). Time to play it safe and call in a tech. Sorry I couldnt be of further assistance. I really thought we had it nailed. Good luck and let me know how things work out. | ||||
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| Hi mygirlsdad77, Thank you all your help. Maybe the used pilot light assembly I got from eBay is also bad. I think I'm going to give another try with a brand new pilot light assembly. I will let you know if that will make a difference. Thank you again, Steve | ||||
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