Question about Honeywell HE360A1027 Whole House Humidifier Humidifier

6 Answers

Humidifier stops working after 1 year

This is my second HE360A in last 2 years that has stopped working after only 1 year in service. Control seems to be working fine but it looks like some internal fuse is blown. I checked the power and unit is powered on.

Please help

Posted by hgupta on

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  • jphilback Nov 16, 2007

    I have the exact same problem! Two humidifiers in two years. Thought the first one was a lemon but now I fired it up for this year and NOTHING!

  • dryhvac Nov 30, 2007

    I have gone through 4 of them



    I just purchased one from Home Depot and I found it was installed previously - bad out of the box for me.



    I returned the unit, baught another one from a different store and installed it.

    It ran for about 10 minutes, not it won't come on



    I have the auxillary 120 volt outlet, so I'm just connecting the yellow wires to the thermostat. Tried just shorting the yellow wires together with no luck.



    Tested the 120 volt outlet - Thats fine

  • Anonymous Feb 09, 2008

    There must be an echo in here. I have just installed my third in three years. Number two worked fine, then just quit. The fan would not come on and the solenoid would not open. When I put it on the bench, I still can't force it to come on even by putting a jumper on the yellow wires. For number three (three? I really must be totally stupid, but the plenum was already cut for this odd size), it is brand new out of the box. Just will not operate. Not in the furnace. Not on the bench. Not even with a new thermostat. I have checked the power supply (off of the sail switch), water supply and also that there are no breaks in the thermostat wire. Still nothing. Does anybody have any ideas?

  • Anonymous Nov 30, 2008

    What ya know. I have the same problem. I went down stairs to fire up the Humidifier for the winter and the filter was toast, dried up crusty. Appairently from no water to the filter, must have been for sometime now, not working. Well off to Home Depot to get another. Just within the warranty perior by 10 days. I know when I installed it new, I had a dud or dead unit that must have been previously returned with the same issue. I hope I get a new and not a dud of a retruned unit. Any ideas on permanent solution?

  • Anonymous Dec 14, 2008

    I am also on my 4th Honeywell HE360. One worked for 4 months, another for 9 months and the last for 16 months. It has always been the internal circuit board that fails. Mine have always been under warranty (I bought the two year extended warranty on the last one) but I have seen Honeywell brand circuit boards sold for as low as $56 plus shipping on some parts web sites. On another website, Bill (Chicago) suggests: "if your transformer has failed you may be getting transients on your line power. Line transients can be caused by blower motor or other such inductive devices on the same circuit. A simple fix for this could be the addition of surge suppressor."

    There's no mention of this in the installation manual but I'm going to give the surge suppressor a try.

  • bibrot Dec 19, 2008

    I'm on my 3rd HE360 humidifier in 2 months. This is ridiculous. Runs for a week if that and quits. Doesn't Honeywell have a fix for this? This is the 3rd one from Home Depot. One was bad out of the box and 2 just worked a week and quit. Internal transformer has power going to it but nothing coming out.

  • jordansz Jan 07, 2009

    I've been reading the posts about a bad transformer. I have this same issue and was wondering where I could purchases just a replacement PCB mount transformer. I've checked Digikey and Allied Elec. The transformers I see tend to have different mounting dimensions. Any help. From what I recall its a 12VA (24VAC, 0.50A).

  • Anonymous Feb 19, 2009

    Purchased a Honeywell HE360 on Sunday had it installed on Tuesday and it stopped working on Wednesday. I went back to Home Depot for an exchange. The first thing I did when I got home was to plug it in to see if the fan worked and nothing. I plan to get my money back and get a Aprilaire Humidifier. This was my second Honeywell HE360 in one week. Don't buy this product!!! You will be sorry.

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6 Answers

JSR80123

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I also had the transformer problem and it was made worse but an HVAC guy who rewired the furance fan to get more air flow when he installed a new AC unit. He left the humidifier wired to the old fan windings which were now putting out 160 induced volts. The humidifier transformer, which was already undersized by Honeywell, never had a chance. Not sure how common this problem is but I later saw several references to the same problem on other websites and it's worth a quick check of the supply voltage to your humidifier.

Since I had an expensive humidifier and a whole cut in the furnace duct, I looked for a fix. My solution was to buy a $15 transformer from a BigBox that matched the voltage and was oversize on amps and mounted it externally to the humdifier (much like a furnace transformer is typically mounted). I then completely removed the piece-of-junk humidifier circuit board and wired the transformer directly to the water solenoid which it controlled and wired the fan and new transformer directly to 120V that is controlled by a current sensing relay (Aprilaire A50) on the furnace fan wires (and also controlled by a humidistat located on return air plenum).

It has worked fine for two years now, runs only when the fan is on and when the humidistat is asking for more humidity. A relatively cheap fix that would have only taken an hour if I had done it right from the start.
For those of you who haven't bought the Honeywell 360A yet - don't. For those of you like me that spent the money and cut holes in your duct - this is one solution.

Maybe Honeywell will wise up and redesign their transformer PCB to be much more robust. The rest of the unit is a pretty good design.

Posted on Nov 21, 2009

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I had the same problem. 2 transformers died in 5 years. Honeywell won't admit there is a problem. Transiant problem?....I don't think so. All my other electronic devices work just fine and they are more sensitive that a transformer.
Solution: Remove the transformer from the internal circuit board ( cut the 4 transformer connections on the circuit board). Go to Home Depot or any harrdware store and buy a 110/24vac transformer for about $15. Mount it externally in a conduit box and wire the 24 volt side to the unused red wires on the front of your humidifier. These wires go the the same point where the transformer output was. The 110 volt side of the transformer goes to the switched output from your furnace. You will still need to plug the original plug in as the humidifier motor runs on 110 volts. This should solve your problem. I plan to pass on Honeywell procucts in the future.

By the way, their phone support is a joke. Women ( they call technicians) reading from a computer screen.

Posted on Dec 12, 2009

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As I posted previously, my HE360A was'nt working. Fan seemed to working fine, but no water was flowing or being told to flow to filter. Idea! It looks like Honeywell has changed the type or something like that. The Valve No. on the old unit 1 year old was, 0305. The new valve No. is 2308 but with all the same specifics, voltage, etc. Maybe they realized the issues and had the solonoid valve supplier make a change. We will see. I just installed the new one and WOW, it works. Again, we will see.

Posted on Nov 30, 2008

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I have the same problem with the transformer. Actually I had 2 of them replaced already. Could anyone tell what would be a substitute transformer and where to buy it? Thank you in advance.

Posted on Oct 28, 2008

Anonymous

Bob976 is right on. I pulled my unit last night to debug it and found the same issue with the transformer. Was browsing the web to confirm it and found these posts, this looks like something that should be recalled.

Posted on Oct 27, 2008

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I found the problem with my unit and also the unit that it replaced. It is the low-reliability, chinese transformer that you will find on the pc board that is inside the fan housing. In both cases, there is 120v to the primary side and zero to the secondary (24vac) side. On the new unity, it was dead right out of the box. Replacement, pc board-mount transformers are readily available and that is the solution.

Posted on Feb 21, 2008

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