Goodman ignition module


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Old 10-31-12, 07:00 PM
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Goodman ignition module

I have a Goodman Janitrol GUS100-4 replaced the old U T 1018 ignition module with a new one. Get two blinks from LED, have 24 volts to switches have 24 from thermostat had a furnace guy check it wires hookup right NO hsi no gas valve, inducer starts up and thats it Is there wires I need to tie together cant find any info on line.
 
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Old 10-31-12, 07:09 PM
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does the pressure switch close?
 
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Old 10-31-12, 07:09 PM
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Before the ignition sequence is allowed to procede, the board must confirm there is draft (pressure switch closed). Your problem is most likely in the vent system including related drains.
 
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Old 10-31-12, 07:21 PM
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switch does close furnace guy said everything was working, new module has PSO PSi which was not on the old one. Thats why I was wondering if I need to tie wire or wires together
 
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Old 10-31-12, 07:25 PM
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check drain hoses cleaned drain checked hoses for cracks or plugged,switch is working this new module isnt telling hsi anything the board is ICM 287 new
 
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Old 10-31-12, 07:36 PM
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I just looked at an ICM 287 & didn't see any terminals marked PSI & PSO. Where are they?
 
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Old 10-31-12, 07:36 PM
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I don't see those terminals on a ICM 287. ICM 287 is not an ignition control. per say... It does not control a HSI, but requires an additional board to do that is the way I read the instructions for your furnace. You are better off going with OEM .
 
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Old 10-31-12, 07:41 PM
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My furnace has a ignition module mounted under the control board The old module was a U T 1018 the new is aU T 1018 thats where the PSO and PSI are
 
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Old 10-31-12, 07:44 PM
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The 287 apparently has a presure switch connection. Make sure of this. Looks like it is a pink wire from a W terminal on the 287 to the pressure switch. If you have that wire installed I assume it would be ok to jumper out psi and pso.
 
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Old 10-31-12, 07:49 PM
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The module also has HSI HSIG I was checking the ignitor is hook to the module but the psi pso wasnt on the old module Im thinking that might have something to do with the pressure switch
 
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Old 10-31-12, 07:55 PM
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There is more than 1 United technologies 1018.... there is a -*** after 1018. You may have the wrong one. Jumpering the psi and pso may not work...........
 
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Old 10-31-12, 08:00 PM
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your correct the white wire is connected but it all starts at the module with a white wire that goes to the rollout then thier is a switch on the inducer that goes to the pressure switch which then goes to the control board 287
 
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Old 10-31-12, 08:05 PM
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I noticed that called Goodman but Im not a service tech so they wouldnt tell me anything, he gave me the part number for the control board Ive seen a few on Ebay email the guy selling them and he said NO instructions with them. 1018-515 is the one I have but looking at the pictures they all seem labeled the same
 
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Old 10-31-12, 08:08 PM
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Actually it should start at the 287 and then work its way to the ignition control. I don't think you have the correct control.
 
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Old 10-31-12, 08:11 PM
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ICM 287 is the replacement for the 1809904 thats what I have. Gonna do some checking on these modules see if I can find a another one get back to you guys tomorrow and thanks for the help I'm going to keep trying
 
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Old 10-31-12, 08:15 PM
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no, I dont think you have the correct ignition control (UT 1018)
 
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Old 10-31-12, 08:19 PM
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I'll see what the guy on ebay has like I said the 1018-515 is the one I have and I think he had a 1018-255 Thanks for the help
 
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Old 10-31-12, 08:22 PM
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quit buying crap off ebay........... Find someone who has parts for YOUR furnace.
 
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Old 10-31-12, 08:44 PM
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HVACTech is correct.


He an I can buy crap off ebay and make it work, because we understand what is happening and how to make it work.

My recommendation for DIYers is to buy original equipment parts if possible. Buying from reputable local suppliers is best.

DIYers want a minimum of change and complexity to deal with. Price of parts should be a secondary concern.

That would be my bias and recommendation, anyway.
 
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Old 11-01-12, 03:17 PM
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I can agree but this module is suppost to be the replacement part. The only problem I can see is finding out WHICH module I need. I've been on the web and stop at a local supplier HE cannot tell me which one I need. Hey I'd spend the money to fix it but I want the Right Part and I'm sure you would agree.This is the old number1018-101013-2 on the module, if anybody can direct me in the right way,or cross reference it to which one I need. Gotta add this furnace has been here since we bought the house, that was 18 yrs ago and the only other problem was a new HSI ignitor around 6 yrs ago.
 

Last edited by buett36; 11-01-12 at 04:24 PM.
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Old 11-01-12, 06:10 PM
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The Goodman part # for the ignition control is: B13707-26
 
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Old 11-01-12, 07:40 PM
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typically schematics are found on the back of the blower door.
 
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Old 11-02-12, 03:02 PM
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Thanks Grady, ordered the part. Is there a site to look up the new numbers?
 
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Old 11-02-12, 04:18 PM
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I got that number out of the manual which came with a furnace. A number of years ago I bought a Goodman Technical Manual which included all of the manuals for their equipment to that date.
 
 

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