My Trane IGN00145 Ignitor is going out too often? What could be the problem?
Problem: My Trane IGN00145 Ignitor is going out too often? What could be the problem? I am having to replace it quite often.
(1) We had other customers who had problems with the IGN00145 ignitors not lasting very long so I called Trane technical support about this problem. The tech said it could be a loose wire or loose ground wire or the control board inputting too much voltage or not turning the ignitor off when it is supposed to. When the ignitor fires it should get the full 120 volts, but the voltage should start reducing (going down) the longer the ignitor stays on. So you might have a loose wire or have a control board problem. I would suggest that you check all wires to make sure they are good and tight. Please make sure the main ground wire on your furnace is good and tight. Dirt and moisture can always cause problems too. A leaking AC can ruin an ignitor. The ignitors should last many years. I hope you have a nice day!
Steve Arnold, www.arnoldservice.com
(2) An awesome customer of our named Joe emailed me with the following information after he was having constant Trane IGN00145 ignitor failure problems:
As you can see it has been a while since we discussed my igniter IGN00145 problems in my Trane unit. Its over a year with the same igniter installed as of today it is still functioning, I hope this note doesn’t jinx it. What I did was remove the Merv 13 filter I had installed and replaced it with a Merv 8. I remember reading about a dirty filter or reduced air flow can cause a problem with the igniter burning out. I am keeping the faith that it was caused by the reduced air flow with the Merv 13 filter.
Thank you for your help, felt I should keep you informed if anyone else is having a similar problem.
Thanks so much, Joe! What Joe is saying is that the Merv 13 filter was reducing the air flow through his furnace so much that it was causing the furnace to over-heat and go off on high limit, thus creating many on/off cycles in the furnace. Yes! this would be very hard on the ignitor, furnace and your electric bill if a furnace is cycling too much. If you think your furnace is cycling off and on too much I would recommend making sure that your furnace is not cycling off on high limit. Please make sure your filter is clean, blower wheel (squirrel cage) is clean, blower motor capacitor is in good shape, not weak and make sure your Air conditioner evaporator coil is not clogged up with dirt causing a restriction. All of these problems can cause a furnace to cycle too much and shorten your ignitor life. Some of the newer thermostats have short cycles of only 1-degree temperature difference. Most of the time these thermostats can be adjusted to provide a 2 to a 3-degree temperature difference or a longer cycle time. I hope this post has been helpful! If you have any question please email us anytime at email@example.com
(3) We have had several people complain that their IGN00145 ignitors were not lasting very long. Many of these people found out that their HVAC service tech installed a new 120-volt HSI (Hot Surface Ignitor) control board and left the old 80-volt IGN00145 ignitor installed. That is the reason why people where going through so many ignitors. After our customers found out they had the 120-volt ignitor control board installed the customer would purchase a new IGN00152 ignitor from us only to find out that the ignitor plugs did not match the IGN00152. To solve that problem I called Trane and ordered the Wir06514 ignitor adapter wire. I decided to sell this adapter on our site so customers could install the IGN00152 without splicing the ignitor wires together. Please click here if you need the ign00145 to ign00152 wire adapter harness.
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